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Linux Privilege Escalation

Privilege escalation is a crucial phase during any security assessment. During this phase, we attempt to gain access to additional users, hosts, and resources to move closer to the assessment's overall goal. There are many ways to escalate privileges. This module aims to cover the most common methods emphasizing real-world misconfigurations and flaws that we may encounter in a client environment. The techniques covered in this module are not an exhaustive list of all possibilities and aim to avoid extreme "edge-case" tactics that may be seen in a Capture the Flag (CTF) exercise.

4.67

Created by mrb3n
Co-Authors: Cry0l1t3

Easy Offensive

Summary

This module covers a wide variety of techniques that can be utilized to escalate privileges on Linux systems. Privilege escalation is an essential part of a penetration test or red team assessment. Having a deep understanding of the Linux operating system, strong enumeration skills, and knowledge of many local privilege escalation techniques can make or break an assessment and set us apart from others in the field.

In this module, we will cover:

  • Enumerating a Linux system
  • Kernel exploits
  • Exploiting vulnerable services
  • Abusing misconfigurations and permissions issues
  • Hunting for credentials
  • Shared object hijacking and leveraging shared libraries
  • Taking advantage of a privileged group membership
  • One-off context-dependent techniques
  • Linux security hardening best practices

CREST CPSA/CRT-related Sections:

  • All sections

CREST CCT APP-related Sections:

  • All sections

CREST CCT INF-related Sections:

  • All sections

This module is broken down into sections with accompanying hands-on exercises to practice each of the tactics and techniques we cover. The module ends with a practical hands-on skills assessment to gauge your understanding of the various topic areas.

As you work through the module, you will see example commands and command output for the various topics introduced. It is worth reproducing as many of these examples as possible to reinforce further the concepts introduced in each section. You can do this in the target host provided in the interactive sections or your own virtual machine.

You can start and stop the module at any time and pick up where you left off. There is no time limit or "grading," but you must complete all of the exercises and the skills assessment to receive the maximum number of cubes and have this module marked as complete in any paths you have chosen.

The module is classified as "Easy" but assumes a working knowledge of the Linux command line and an understanding of information security fundamentals.

A firm grasp of the following modules can be considered prerequisites for successful completion of this module:

  • Introduction to Networking
  • Linux Fundamentals

Introduction to Linux Privilege Escalation

The root account on Linux systems provides full administrative level access to the operating system. During an assessment, you may gain a low-privileged shell on a Linux host and need to perform privilege escalation to the root account. Fully compromising the host would allow us to capture traffic and access sensitive files, which may be used to further access within the environment. Additionally, if the Linux machine is domain joined, we can gain the NTLM hash and begin enumerating and attacking Active Directory.

Enumeration

Enumeration is the key to privilege escalation. Several helper scripts (such as LinEnum) exist to assist with enumeration. Still, it is also important to understand what pieces of information to look for and to be able to perform your enumeration manually. When you gain initial shell access to the host, it is important to check several key details.

OS Version: Knowing the distribution (Ubuntu, Debian, FreeBSD, Fedora, SUSE, Red Hat, CentOS, etc.) will give you an idea of the types of tools that may be available. This would also identify the operating system version, for which there may be public exploits available.

Kernel Version: As with the OS version, there may be public exploits that target a vulnerability in a specific kernel version. Kernel exploits can cause system instability or even a complete crash. Be careful running these against any production system, and make sure you fully understand the exploit and possible ramifications before running one.

Running Services: Knowing what services are running on the host is important, especially those running as root. A misconfigured or vulnerable service running as root can be an easy win for privilege escalation. Flaws have been discovered in many common services such as Nagios, Exim, Samba, ProFTPd, etc. Public exploit PoCs exist for many of them, such as CVE-2016-9566, a local privilege escalation flaw in Nagios Core < 4.2.4.

List Current Processes

[!bash!]$ ps aux | grep root

root         1  1.3  0.1  37656  5664 ?        Ss   23:26   0:01 /sbin/init
root         2  0.0  0.0      0     0 ?        S    23:26   0:00 [kthreadd]
root         3  0.0  0.0      0     0 ?        S    23:26   0:00 [ksoftirqd/0]
root         4  0.0  0.0      0     0 ?        S    23:26   0:00 [kworker/0:0]
root         5  0.0  0.0      0     0 ?        S<   23:26   0:00 [kworker/0:0H]
root         6  0.0  0.0      0     0 ?        S    23:26   0:00 [kworker/u8:0]
root         7  0.0  0.0      0     0 ?        S    23:26   0:00 [rcu_sched]
root         8  0.0  0.0      0     0 ?        S    23:26   0:00 [rcu_bh]
root         9  0.0  0.0      0     0 ?        S    23:26   0:00 [migration/0]

<SNIP>

Installed Packages and Versions: Like running services, it is important to check for any out-of-date or vulnerable packages that may be easily leveraged for privilege escalation. An example is Screen, which is a common terminal multiplexer (similar to tmux). It allows you to start a session and open many windows or virtual terminals instead of opening multiple terminal sessions. Screen version 4.05.00 suffers from a privilege escalation vulnerability that can be easily leveraged to escalate privileges.

Logged in Users: Knowing which other users are logged into the system and what they are doing can give greater into possible local lateral movement and privilege escalation paths.

List Current Processes

[!bash!]$ ps au

USER       		PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root      		1256  0.0  0.1  65832  3364 tty1     Ss   23:26   0:00 /bin/login --
cliff.moore     1322  0.0  0.1  22600  5160 tty1     S    23:26   0:00 -bash
shared     		1367  0.0  0.1  22568  5116 pts/0    Ss   23:27   0:00 -bash
root      		1384  0.0  0.1  52700  3812 tty1     S    23:29   0:00 sudo su
root      		1385  0.0  0.1  52284  3448 tty1     S    23:29   0:00 su
root      		1386  0.0  0.1  21224  3764 tty1     S+   23:29   0:00 bash
shared     		1397  0.0  0.1  37364  3428 pts/0    R+   23:30   0:00 ps au

User Home Directories: Are other user's home directories accessible? User home folders may also contain SSH keys that can be used to access other systems or scripts and configuration files containing credentials. It is not uncommon to find files containing credentials that can be leveraged to access other systems or even gain entry into the Active Directory environment.

Home Directory Contents

[!bash!]$ ls /home

backupsvc  bob.jones  cliff.moore  logger  mrb3n  shared  stacey.jenkins

We can check individual user directories and check to see if files such as the .bash_history file are readable and contain any interesting commands, look for configuration files, and check to see if we can obtain copies of a user's SSH keys.

User's Home Directory Contents

[!bash!]$ ls -la /home/stacey.jenkins/

total 32
drwxr-xr-x 3 stacey.jenkins stacey.jenkins 4096 Aug 30 23:37 .
drwxr-xr-x 9 root           root           4096 Aug 30 23:33 ..
-rw------- 1 stacey.jenkins stacey.jenkins   41 Aug 30 23:35 .bash_history
-rw-r--r-- 1 stacey.jenkins stacey.jenkins  220 Sep  1  2015 .bash_logout
-rw-r--r-- 1 stacey.jenkins stacey.jenkins 3771 Sep  1  2015 .bashrc
-rw-r--r-- 1 stacey.jenkins stacey.jenkins   97 Aug 30 23:37 config.json
-rw-r--r-- 1 stacey.jenkins stacey.jenkins  655 May 16  2017 .profile
drwx------ 2 stacey.jenkins stacey.jenkins 4096 Aug 30 23:35 .ssh

If you find an SSH key for your current user, this could be used to open an SSH session on the host (if SSH is exposed externally) and gain a stable and fully interactive session. SSH keys could be leveraged to access other systems within the network as well. At the minimum, check the ARP cache to see what other hosts are being accessed and cross-reference these against any useable SSH private keys.

SSH Directory Contents

[!bash!]$ ls -l ~/.ssh

total 8
-rw------- 1 mrb3n mrb3n 1679 Aug 30 23:37 id_rsa
-rw-r--r-- 1 mrb3n mrb3n  393 Aug 30 23:37 id_rsa.pub

It is also important to check a user's bash history, as they may be passing passwords as an argument on the command line, working with git repositories, setting up cron jobs, and more. Reviewing what the user has been doing can give you considerable insight into the type of server you land on and give a hint as to privilege escalation paths.

Bash History

[!bash!]$ history

    1  id
    2  cd /home/cliff.moore
    3  exit
    4  touch backup.sh
    5  tail /var/log/apache2/error.log
    6  ssh [email protected]
    7  history

Sudo Privileges: Can the user run any commands either as another user or as root? If you do not have credentials for the user, it may not be possible to leverage sudo permissions. However, often sudoer entries include NOPASSWD, meaning that the user can run the specified command without being prompted for a password. Not all commands, even we can run as root, will lead to privilege escalation. It is not uncommon to gain access as a user with full sudo privileges, meaning they can run any command as root. Issuing a simple sudo su command will immediately give you a root session.

Sudo - List User's Privileges

[!bash!]$ sudo -l

Matching Defaults entries for sysadm on NIX02:
    env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin

User sysadm may run the following commands on NIX02:
    (root) NOPASSWD: /usr/sbin/tcpdump

Configuration Files: Configuration files can hold a wealth of information. It is worth searching through all files that end in extensions such as .conf and .config, for usernames, passwords, and other secrets.

Readable Shadow File: If the shadow file is readable, you will be able to gather password hashes for all users who have a password set. While this does not guarantee further access, these hashes can be subjected to an offline brute-force attack to recover the cleartext password.

Password Hashes in /etc/passwd: Occasionally, you will see password hashes directly in the /etc/passwd file. This file is readable by all users, and as with hashes in the shadow file, these can be subjected to an offline password cracking attack. This configuration, while not common, can sometimes be seen on embedded devices and routers.

Passwd

[!bash!]$ cat /etc/passwd

root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:2:bin:/bin:/usr/sbin/nologin
sys:x:3:3:sys:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
<...SNIP...>
dnsmasq:x:109:65534:dnsmasq,,,:/var/lib/misc:/bin/false
sshd:x:110:65534::/var/run/sshd:/usr/sbin/nologin
mrb3n:x:1000:1000:mrb3n,,,:/home/mrb3n:/bin/bash
colord:x:111:118:colord colour management daemon,,,:/var/lib/colord:/bin/false
backupsvc:x:1001:1001::/home/backupsvc:
bob.jones:x:1002:1002::/home/bob.jones:
cliff.moore:x:1003:1003::/home/cliff.moore:
logger:x:1004:1004::/home/logger:
shared:x:1005:1005::/home/shared:
stacey.jenkins:x:1006:1006::/home/stacey.jenkins:
sysadm:$6$vdH7vuQIv6anIBWg$Ysk.UZzI7WxYUBYt8WRIWF0EzWlksOElDE0HLYinee38QI1A.0HW7WZCrUhZ9wwDz13bPpkTjNuRoUGYhwFE11:1007:1007::/home/sysadm:

Cron Jobs: Cron jobs on Linux systems are similar to Windows scheduled tasks. They are often set up to perform maintenance and backup tasks. In conjunction with other misconfigurations such as relative paths or weak permissions, they can leverage to escalate privileges when the scheduled cron job runs.

Cron Jobs

[!bash!]$ ls -la /etc/cron.daily/

total 60
drwxr-xr-x  2 root root 4096 Aug 30 23:49 .
drwxr-xr-x 93 root root 4096 Aug 30 23:47 ..
-rwxr-xr-x  1 root root  376 Mar 31  2016 apport
-rwxr-xr-x  1 root root 1474 Sep 26  2017 apt-compat
-rwx--x--x  1 root root  379 Aug 30 23:49 backup
-rwxr-xr-x  1 root root  355 May 22  2012 bsdmainutils
-rwxr-xr-x  1 root root 1597 Nov 27  2015 dpkg
-rwxr-xr-x  1 root root  372 May  6  2015 logrotate
-rwxr-xr-x  1 root root 1293 Nov  6  2015 man-db
-rwxr-xr-x  1 root root  539 Jul 16  2014 mdadm
-rwxr-xr-x  1 root root  435 Nov 18  2014 mlocate
-rwxr-xr-x  1 root root  249 Nov 12  2015 passwd
-rw-r--r--  1 root root  102 Apr  5  2016 .placeholder
-rwxr-xr-x  1 root root 3449 Feb 26  2016 popularity-contest
-rwxr-xr-x  1 root root  214 May 24  2016 update-notifier-common

Unmounted File Systems and Additional Drives: If you discover and can mount an additional drive or unmounted file system, you may find sensitive files, passwords, or backups that can be leveraged to escalate privileges.

File Systems & Additional Drives

[!bash!]$ lsblk

NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda      8:0    0   30G  0 disk 
├─sda1   8:1    0   29G  0 part /
├─sda2   8:2    0    1K  0 part 
└─sda5   8:5    0  975M  0 part [SWAP]
sr0     11:0    1  848M  0 rom

SETUID and SETGID Permissions: Binaries are set with these permissions to allow a user to run a command as root, without having to grant root-level access to the user. Many binaries contain functionality that can be exploited to get a root shell.

Writeable Directories: It is important to discover which directories are writeable if you need to download tools to the system. You may discover a writeable directory where a cron job places files, which provides an idea of how often the cron job runs and could be used to elevate privileges if the script that the cron job runs is also writeable.

Find Writable Directories

[!bash!]$ find / -path /proc -prune -o -type d -perm -o+w 2>/dev/null

/dmz-backups
/tmp
/tmp/VMwareDnD
/tmp/.XIM-unix
/tmp/.Test-unix
/tmp/.X11-unix
/tmp/systemd-private-8a2c51fcbad240d09578916b47b0bb17-systemd-timesyncd.service-TIecv0/tmp
/tmp/.font-unix
/tmp/.ICE-unix
/proc
/dev/mqueue
/dev/shm
/var/tmp
/var/tmp/systemd-private-8a2c51fcbad240d09578916b47b0bb17-systemd-timesyncd.service-hm6Qdl/tmp
/var/crash
/run/lock

Writeable Files: Are any scripts or configuration files world-writable? While altering configuration files can be extremely destructive, there may be instances where a minor modification can open up further access. Also, any scripts that are run as root using cron jobs can be modified slightly to append a command.

Find Writable Files

[!bash!]$ find / -path /proc -prune -o -type f -perm -o+w 2>/dev/null

/etc/cron.daily/backup
/dmz-backups/backup.sh
/proc
/sys/fs/cgroup/memory/init.scope/cgroup.event_control

<SNIP>

/home/backupsvc/backup.sh

<SNIP>

Moving on

As we have seen, there are various manual enumeration techniques that we can perform to gain information to inform various privilege escalation attacks. A variety of techniques exist that can be leveraged to perform local privilege escalation on Linux, which we will cover in the next sections.

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Sections

Relevant Paths

This module progresses you towards the following Paths

Local Privilege Escalation

Local Privilege Escalation

Privilege escalation is a vital phase of the penetration testing process, one we may revisit multiple times during an engagement. During our assessments, we will encounter a large variety of operating systems and applications. Most often, if we can exploit a vulnerability and gain a foothold on a host, it will be running some version of Windows or Linux. Both present a large attack surface with many tactics and techniques available to us for escalating privileges. This path teaches the core concepts of local privilege escalation necessary for being successful against Windows and Linux systems. The path covers manual enumeration and exploitation and the use of tools to aid in the process.

Medium Path Sections 61 Sections
Required: 200
Reward: +40
Path Modules
Linux Privilege Escalation
Easy
Path Sections 28 Sections
Reward: +20
Privilege escalation is a crucial phase during any security assessment. During this phase, we attempt to gain access to additional users, hosts, and resources to move closer to the assessment's overall goal. There are many ways to escalate privileges. This module aims to cover the most common methods emphasizing real-world misconfigurations and flaws that we may encounter in a client environment. The techniques covered in this module are not an exhaustive list of all possibilities and aim to avoid extreme "edge-case" tactics that may be seen in a Capture the Flag (CTF) exercise.
Windows Privilege Escalation
Medium
Path Sections 33 Sections
Reward: +20
After gaining a foothold, elevating our privileges will provide more options for persistence and may reveal information stored locally that can further our access in the environment. Enumeration is the key to privilege escalation. When you gain initial shell access to the host, it is important to gain situational awareness and uncover details relating to the OS version, patch level, any installed software, our current privileges, group memberships, and more. Windows presents an enormous attack surface and, being that most companies run Windows hosts in some way, we will more often than not find ourselves gaining access to Windows machines during our assessments. This covers common methods while emphasizing real-world misconfigurations and flaws that we may encounter during an assessment. There are many additional "edge-case" possibilities not covered in this module. We will cover both modern and legacy Windows Server and Desktop versions that may be present in a client environment.
Penetration Tester

Penetration Tester

The Penetration Tester Job Role Path is for newcomers to information security who aspire to become professional penetration testers. This path covers core security assessment concepts and provides a deep understanding of the specialized tools, attack tactics, and methodology used during penetration testing. Armed with the necessary theoretical background and multiple practical exercises, students will go through all penetration testing stages, from reconnaissance and enumeration to documentation and reporting. Upon completing this job role path, you will have obtained the practical skills and mindset necessary to perform professional security assessments against enterprise-level infrastructure at an intermediate level. The Information Security Foundations skill path can be considered prerequisite knowledge to be successful while working through this job role path.

Medium Path Sections 491 Sections
Required: 1970
Reward: +450
Path Modules
Penetration Testing Process
Fundamental
Path Sections 15 Sections
Reward: +10
This module teaches the penetration testing process broken down into each stage and discussed in detail. We will cover many aspects of the role of a penetration tester during a penetration test, explained and illustrated with detailed examples. The module also covers pre-engagement steps like the criteria for establishing a contract with a client for a penetration testing engagement.
Getting Started
Fundamental
Path Sections 23 Sections
Reward: +10
This module covers the fundamentals of penetration testing and an introduction to Hack The Box.
Network Enumeration with Nmap
Easy
Path Sections 12 Sections
Reward: +10
Nmap is one of the most used networking mapping and discovery tools because of its accurate results and efficiency. The tool is widely used by both offensive and defensive security practitioners. This module covers fundamentals that will be needed to use the Nmap tool for performing effective network enumeration.
Footprinting
Medium
Path Sections 21 Sections
Reward: +20
This module covers techniques for footprinting the most commonly used services in almost all enterprise and business IT infrastructures. Footprinting is an essential phase of any penetration test or security audit to identify and prevent information disclosure. Using this process, we examine the individual services and attempt to obtain as much information from them as possible.
Information Gathering - Web Edition
Easy
Path Sections 19 Sections
Reward: +20
This module equips learners with essential web reconnaissance skills, crucial for ethical hacking and penetration testing. It explores both active and passive techniques, including DNS enumeration, web crawling, analysis of web archives and HTTP headers, and fingerprinting web technologies.
Vulnerability Assessment
Easy
Path Sections 17 Sections
Reward: +10
This module introduces the concept of Vulnerability Assessments. We will review the differences between vulnerability assessments and penetration tests, how to carry out a vulnerability assessment, how to interpret the assessment results, and how to deliver an effective vulnerability assessment report.
File Transfers
Medium
Path Sections 10 Sections
Reward: +10
During an assessment, it is very common for us to transfer files to and from a target system. This module covers file transfer techniques leveraging tools commonly available across all versions of Windows and Linux systems.
Shells & Payloads
Medium
Path Sections 17 Sections
Reward: +10
Gain the knowledge and skills to identify and use shells & payloads to establish a foothold on vulnerable Windows & Linux systems. This module utilizes a fictitious scenario where the learner will place themselves in the perspective of a sysadmin trying out for a position on CAT5 Security's network penetration testing team.
Using the Metasploit Framework
Easy
Path Sections 15 Sections
Reward: +10
The Metasploit Framework is an open-source set of tools used for network enumeration, attacks, testing security vulnerabilities, evading detection, performing privilege escalation attacks, and performing post-exploitation.
Password Attacks
Medium
Path Sections 22 Sections
Reward: +10
Passwords are still the primary method of authentication in corporate networks. If strong password policies are not in place, users will often opt for weak, easy-to-remember passwords that can often be cracked offline and used to further our access. We will encounter passwords in many forms during our assessments. We must understand the various ways they are stored, how they can be retrieved, methods to crack weak passwords, ways to use hashes that cannot be cracked, and hunting for weak/default password usage.
Attacking Common Services
Medium
Path Sections 19 Sections
Reward: +20
Organizations regularly use a standard set of services for different purposes. It is vital to conduct penetration testing activities on each service internally and externally to ensure that they are not introducing security threats. This module will cover how to enumerate each service and test it against known vulnerabilities and exploits with a standard set of tools.
Pivoting, Tunneling, and Port Forwarding
Medium
Path Sections 18 Sections
Reward: +20
Once a foothold is gained during an assessment, it may be in scope to move laterally and vertically within a target network. Using one compromised machine to access another is called pivoting and allows us to access networks and resources that are not directly accessible to us through the compromised host. Port forwarding accepts the traffic on a given IP address and port and redirects it to a different IP address and port combination. Tunneling is a technique that allows us to encapsulate traffic within another protocol so that it looks like a benign traffic stream.
Active Directory Enumeration & Attacks
Medium
Path Sections 36 Sections
Reward: +20
Active Directory (AD) is the leading enterprise domain management suite, providing identity and access management, centralized domain administration, authentication, and much more. Due to the many features and complexity of AD, it presents a large attack surface that is difficult to secure properly. To be successful as infosec professionals, we must understand AD architectures and how to secure our enterprise environments. As Penetration testers, having a firm grasp of what tools, techniques, and procedures are available to us for enumerating and attacking AD environments and commonly seen AD misconfigurations is a must.
Using Web Proxies
Easy
Path Sections 15 Sections
Reward: +20
Web application penetration testing frameworks are an essential part of any web penetration test. This module will teach you two of the best frameworks: Burp Suite and OWASP ZAP.
Attacking Web Applications with Ffuf
Easy
Path Sections 13 Sections
Reward: +10
This module covers the fundamental enumeration skills of web fuzzing and directory brute forcing using the Ffuf tool. The techniques learned in this module will help us in locating hidden pages, directories, and parameters when targeting web applications.
Login Brute Forcing
Easy
Path Sections 13 Sections
Reward: +20
The module contains an exploration of brute-forcing techniques, including the use of tools like Hydra and Medusa, and the importance of strong password practices. It covers various attack scenarios, such as targeting SSH, FTP, and web login forms.
SQL Injection Fundamentals
Medium
Path Sections 17 Sections
Reward: +10
Databases are an important part of web application infrastructure and SQL (Structured Query Language) to store, retrieve, and manipulate information stored in them. SQL injection is a code injection technique used to take advantage of coding vulnerabilities and inject SQL queries via an application to bypass authentication, retrieve data from the back-end database, or achieve code execution on the underlying server.
SQLMap Essentials
Easy
Path Sections 11 Sections
Reward: +20
The SQLMap Essentials module will teach you the basics of using SQLMap to discover various types of SQL Injection vulnerabilities, all the way to the advanced enumeration of databases to retrieve all data of interest.
Cross-Site Scripting (XSS)
Easy
Path Sections 10 Sections
Reward: +20
Cross-Site Scripting (XSS) vulnerabilities are among the most common web application vulnerabilities. An XSS vulnerability may allow an attacker to execute arbitrary JavaScript code within the target's browser and result in complete web application compromise if chained together with other vulnerabilities. This module will teach you how to identify XSS vulnerabilities and exploit them.
File Inclusion
Medium
Path Sections 11 Sections
Reward: +10
File Inclusion is a common web application vulnerability, which can be easily overlooked as part of a web application's functionality.
File Upload Attacks
Medium
Path Sections 11 Sections
Reward: +20
Arbitrary file uploads are among the most critical web vulnerabilities. These flaws enable attackers to upload malicious files, execute arbitrary commands on the back-end server, and even take control over the entire server and all web applications hosted on it and potentially gain access to sensitive data or cause a service disruption.
Command Injections
Medium
Path Sections 12 Sections
Reward: +20
Command injection vulnerabilities can be leveraged to compromise a hosting server and its entire network. This module will teach you how to identify and exploit command injection vulnerabilities and how to use various filter bypassing techniques to avoid security mitigations.
Web Attacks
Medium
Path Sections 18 Sections
Reward: +20
This module covers three common web vulnerabilities, HTTP Verb Tampering, IDOR, and XXE, each of which can have a significant impact on a company's systems. We will cover how to identify, exploit, and prevent each of them through various methods.
Attacking Common Applications
Medium
Path Sections 33 Sections
Reward: +20
Penetration Testers can come across various applications, such as Content Management Systems, custom web applications, internal portals used by developers and sysadmins, and more. It's common to find the same applications across many different environments. While an application may not be vulnerable in one environment, it may be misconfigured or unpatched in the next. It is important as an assessor to have a firm grasp of enumerating and attacking the common applications discussed in this module. This knowledge will help when encountering other types of applications during assessments.
Linux Privilege Escalation
Easy
Path Sections 28 Sections
Reward: +20
Privilege escalation is a crucial phase during any security assessment. During this phase, we attempt to gain access to additional users, hosts, and resources to move closer to the assessment's overall goal. There are many ways to escalate privileges. This module aims to cover the most common methods emphasizing real-world misconfigurations and flaws that we may encounter in a client environment. The techniques covered in this module are not an exhaustive list of all possibilities and aim to avoid extreme "edge-case" tactics that may be seen in a Capture the Flag (CTF) exercise.
Windows Privilege Escalation
Medium
Path Sections 33 Sections
Reward: +20
After gaining a foothold, elevating our privileges will provide more options for persistence and may reveal information stored locally that can further our access in the environment. Enumeration is the key to privilege escalation. When you gain initial shell access to the host, it is important to gain situational awareness and uncover details relating to the OS version, patch level, any installed software, our current privileges, group memberships, and more. Windows presents an enormous attack surface and, being that most companies run Windows hosts in some way, we will more often than not find ourselves gaining access to Windows machines during our assessments. This covers common methods while emphasizing real-world misconfigurations and flaws that we may encounter during an assessment. There are many additional "edge-case" possibilities not covered in this module. We will cover both modern and legacy Windows Server and Desktop versions that may be present in a client environment.
Documentation & Reporting
Easy
Path Sections 8 Sections
Reward: +20
Proper documentation is paramount during any engagement. The end goal of a technical assessment is the report deliverable which will often be presented to a broad audience within the target organization. We must take detailed notes and be very organized in our documentation, which will help us in the event of an incident during the assessment. This will also help ensure that our reports contain enough detail to illustrate the impact of our findings properly.
Attacking Enterprise Networks
Medium
Path Sections 14 Sections
Reward: +20
We often encounter large and complex networks during our assessments. We must be comfortable approaching an internal or external network, regardless of the size, and be able to work through each phase of the penetration testing process to reach our goal. This module will guide students through a simulated penetration testing engagement, from start to finish, with an emphasis on hands-on testing steps that are directly applicable to real-world engagements.
CREST CPSA/CRT Preparation

CREST CPSA/CRT Preparation

This is a skill path to prepare you for CREST's CPSA and CRT exams. The following CPSA/CRT syllabus areas (IDs) are covered: A1, A2, A3, A4, A5, B1, B4, B5, B6, B8, B9, B13, B14, C1, C2, C3, C4, D1, D2, E1, E2, E3, E4, E5, E9, F1, F2, F3, F4, F5, F6, F7, F8, F9, G1, G2, G4, G5, G6, G7, G8, G9, H1, H2, H3, H4, H5, H6, H8, H9, H10, H11, H12, H13, I1, I2, I3, I6, J1, J2, J3. Take your time to complete all related sections and when you are ready you can book your CREST exam through the following links. CREST CPSA: https://www.crest-approved.org/certification-careers/crest-certifications/crest-practitioner-security-analyst/. CREST CRT: https://www.crest-approved.org/certification-careers/crest-certifications/crest-registered-penetration-tester/.

Medium Path Sections 839 Sections
Required: 6800
Reward: +1480
Path Modules
Introduction to Networking
Fundamental
Path Sections 21 Sections
Reward: +10
As an information security professional, a firm grasp of networking fundamentals and the required components is necessary. Without a strong foundation in networking, it will be tough to progress in any area of information security. Understanding how a network is structured and how the communication between the individual hosts and servers takes place using the various protocols allows us to understand the entire network structure and its network traffic in detail and how different communication standards are handled. This knowledge is essential to create our tools and to interact with the protocols.
Web Requests
Fundamental
Path Sections 8 Sections
Reward: +10
This module introduces the topic of HTTP web requests and how different web applications utilize them to communicate with their backends.
Introduction to Web Applications
Fundamental
Path Sections 17 Sections
Reward: +10
In the Introduction to Web Applications module, you will learn all of the basics of how web applications work and begin to look at them from an information security perspective.
Linux Fundamentals
Fundamental
Path Sections 30 Sections
Reward: +10
This module covers the fundamentals required to work comfortably with the Linux operating system and shell.
Windows Fundamentals
Fundamental
Path Sections 14 Sections
Reward: +10
This module covers the fundamentals required to work comfortably with the Windows operating system.
Introduction to Windows Command Line
Easy
Path Sections 23 Sections
Reward: +10
As administrators and Pentesters, we may not always be able to utilize a graphical user interface for the actions we need to perform. Introduction to Windows Command Line aims to introduce students to the wide range of uses for Command Prompt and PowerShell within a Windows environment. We will cover basic usage of both key executables for administration, useful PowerShell cmdlets and modules, and different ways to leverage these tools to our benefit.
Windows Event Logs & Finding Evil
mini module tag Mini-Module
Medium
Path Sections 6 Sections
Reward: +20
This module covers the exploration of Windows Event Logs and their significance in uncovering suspicious activities. Throughout the course, we delve into the anatomy of Windows Event Logs and highlight the logs that hold the most valuable information for investigations. The module also focuses on utilizing Sysmon and Event Logs for detecting and analyzing malicious behavior. Additionally, we delve into Event Tracing for Windows (ETW), explaining its architecture and components, and provide ETW-based detection examples. To streamline the analysis process, we introduce the powerful Get-WinEvent cmdlet.
Introduction to Malware Analysis
Hard
Path Sections 9 Sections
Reward: +20
This module offers an exploration of malware analysis, specifically targeting Windows-based threats. The module covers Static Analysis utilizing Linux and Windows tools, Malware Unpacking, Dynamic Analysis (including malware traffic analysis), Reverse Engineering for Code Analysis, and Debugging using x64dbg. Real-world malware examples such as WannaCry, DoomJuice, Brbbot, Dharma, and Meterpreter are analyzed to provide practical experience.
Intro to Network Traffic Analysis
Medium
Path Sections 15 Sections
Reward: +10
Network traffic analysis is used by security teams to monitor network activity and look for anomalies that could indicate security and operational issues. Offensive security practitioners can use network traffic analysis to search for sensitive data such as credentials, hidden applications, reachable network segments, or other potentially sensitive information "on the wire." Network traffic analysis has many uses for attackers and defenders alike.
Intermediate Network Traffic Analysis
Easy
Path Sections 18 Sections
Reward: +20
Through network traffic analysis, this module sharpens skills in detecting link layer attacks such as ARP anomalies and rogue access points, identifying network abnormalities like IP spoofing and TCP handshake irregularities, and uncovering application layer threats from web-based vulnerabilities to peculiar DNS activities.
Penetration Testing Process
Fundamental
Path Sections 15 Sections
Reward: +10
This module teaches the penetration testing process broken down into each stage and discussed in detail. We will cover many aspects of the role of a penetration tester during a penetration test, explained and illustrated with detailed examples. The module also covers pre-engagement steps like the criteria for establishing a contract with a client for a penetration testing engagement.
Network Enumeration with Nmap
Easy
Path Sections 12 Sections
Reward: +10
Nmap is one of the most used networking mapping and discovery tools because of its accurate results and efficiency. The tool is widely used by both offensive and defensive security practitioners. This module covers fundamentals that will be needed to use the Nmap tool for performing effective network enumeration.
Footprinting
Medium
Path Sections 21 Sections
Reward: +20
This module covers techniques for footprinting the most commonly used services in almost all enterprise and business IT infrastructures. Footprinting is an essential phase of any penetration test or security audit to identify and prevent information disclosure. Using this process, we examine the individual services and attempt to obtain as much information from them as possible.
Information Gathering - Web Edition
Easy
Path Sections 19 Sections
Reward: +20
This module equips learners with essential web reconnaissance skills, crucial for ethical hacking and penetration testing. It explores both active and passive techniques, including DNS enumeration, web crawling, analysis of web archives and HTTP headers, and fingerprinting web technologies.
Vulnerability Assessment
Easy
Path Sections 17 Sections
Reward: +10
This module introduces the concept of Vulnerability Assessments. We will review the differences between vulnerability assessments and penetration tests, how to carry out a vulnerability assessment, how to interpret the assessment results, and how to deliver an effective vulnerability assessment report.
File Transfers
Medium
Path Sections 10 Sections
Reward: +10
During an assessment, it is very common for us to transfer files to and from a target system. This module covers file transfer techniques leveraging tools commonly available across all versions of Windows and Linux systems.
Shells & Payloads
Medium
Path Sections 17 Sections
Reward: +10
Gain the knowledge and skills to identify and use shells & payloads to establish a foothold on vulnerable Windows & Linux systems. This module utilizes a fictitious scenario where the learner will place themselves in the perspective of a sysadmin trying out for a position on CAT5 Security's network penetration testing team.
Using the Metasploit Framework
Easy
Path Sections 15 Sections
Reward: +10
The Metasploit Framework is an open-source set of tools used for network enumeration, attacks, testing security vulnerabilities, evading detection, performing privilege escalation attacks, and performing post-exploitation.
Password Attacks
Medium
Path Sections 22 Sections
Reward: +10
Passwords are still the primary method of authentication in corporate networks. If strong password policies are not in place, users will often opt for weak, easy-to-remember passwords that can often be cracked offline and used to further our access. We will encounter passwords in many forms during our assessments. We must understand the various ways they are stored, how they can be retrieved, methods to crack weak passwords, ways to use hashes that cannot be cracked, and hunting for weak/default password usage.
Attacking Common Services
Medium
Path Sections 19 Sections
Reward: +20
Organizations regularly use a standard set of services for different purposes. It is vital to conduct penetration testing activities on each service internally and externally to ensure that they are not introducing security threats. This module will cover how to enumerate each service and test it against known vulnerabilities and exploits with a standard set of tools.
Cracking Passwords with Hashcat
Medium
Path Sections 14 Sections
Reward: +20
This module covers the fundamentals of password cracking using the Hashcat tool.
Introduction to Active Directory
Fundamental
Path Sections 16 Sections
Reward: +10
Active Directory (AD) is present in the majority of corporate environments. Due to its many features and complexity, it presents a vast attack surface. To be successful as penetration testers and information security professionals, we must have a firm understanding of Active Directory fundamentals, AD structures, functionality, common AD flaws, misconfigurations, and defensive measures.
Pivoting, Tunneling, and Port Forwarding
Medium
Path Sections 18 Sections
Reward: +20
Once a foothold is gained during an assessment, it may be in scope to move laterally and vertically within a target network. Using one compromised machine to access another is called pivoting and allows us to access networks and resources that are not directly accessible to us through the compromised host. Port forwarding accepts the traffic on a given IP address and port and redirects it to a different IP address and port combination. Tunneling is a technique that allows us to encapsulate traffic within another protocol so that it looks like a benign traffic stream.
Active Directory PowerView
Medium
Path Sections 9 Sections
Reward: +100
This module covers AD enumeration focusing on the PowerView and SharpView tools. We will cover various techniques for enumerating key AD objects that will inform our attacks in later modules.
Active Directory Enumeration & Attacks
Medium
Path Sections 36 Sections
Reward: +20
Active Directory (AD) is the leading enterprise domain management suite, providing identity and access management, centralized domain administration, authentication, and much more. Due to the many features and complexity of AD, it presents a large attack surface that is difficult to secure properly. To be successful as infosec professionals, we must understand AD architectures and how to secure our enterprise environments. As Penetration testers, having a firm grasp of what tools, techniques, and procedures are available to us for enumerating and attacking AD environments and commonly seen AD misconfigurations is a must.
Linux Privilege Escalation
Easy
Path Sections 28 Sections
Reward: +20
Privilege escalation is a crucial phase during any security assessment. During this phase, we attempt to gain access to additional users, hosts, and resources to move closer to the assessment's overall goal. There are many ways to escalate privileges. This module aims to cover the most common methods emphasizing real-world misconfigurations and flaws that we may encounter in a client environment. The techniques covered in this module are not an exhaustive list of all possibilities and aim to avoid extreme "edge-case" tactics that may be seen in a Capture the Flag (CTF) exercise.
Windows Privilege Escalation
Medium
Path Sections 33 Sections
Reward: +20
After gaining a foothold, elevating our privileges will provide more options for persistence and may reveal information stored locally that can further our access in the environment. Enumeration is the key to privilege escalation. When you gain initial shell access to the host, it is important to gain situational awareness and uncover details relating to the OS version, patch level, any installed software, our current privileges, group memberships, and more. Windows presents an enormous attack surface and, being that most companies run Windows hosts in some way, we will more often than not find ourselves gaining access to Windows machines during our assessments. This covers common methods while emphasizing real-world misconfigurations and flaws that we may encounter during an assessment. There are many additional "edge-case" possibilities not covered in this module. We will cover both modern and legacy Windows Server and Desktop versions that may be present in a client environment.
Kerberos Attacks
Hard
Path Sections 23 Sections
Reward: +100
Kerberos is an authentication protocol that allows users to authenticate and access services on a potentially insecure network. Due to its prevalence throughout an Active Directory environment, it presents us with a significant attack surface when assessing internal networks. This module will explain how Kerberos works thoroughly and examines several scenarios to practice the most common attacks against it from multiple perspectives.
NTLM Relay Attacks
Hard
Path Sections 10 Sections
Reward: +100
The NTLM authentication protocol is commonly used within Windows-based networks to facilitate authentication between clients and servers. However, NTLM's inherent weaknesses make it susceptible to Adversary-in-the-Middle attacks, providing a significant attack vector. This module focuses on the various NTLM relay attacks that attackers use to compromise Active Directory networks.
DACL Attacks I
mini module tag Mini-Module
Hard
Path Sections 7 Sections
Reward: +100
Discretionary Access Control Lists (DACLs), found within security descriptors, are a fundamental component of the security model of Windows and Active Directory, defining and enforcing access to the various system resources. This mini-module will cover enumerating and attacking common DACL misconfigurations, allowing us to escalate our privileges horizontally and vertically and move laterally across an Active Directory network.
Stack-Based Buffer Overflows on Linux x86
Medium
Path Sections 13 Sections
Reward: +10
Buffer overflows are common vulnerabilities in software applications that can be exploited to achieve remote code execution (RCE) or perform a Denial-of-Service (DoS) attack. These vulnerabilities are caused by insecure coding, resulting in an attacker being able to overrun a program's buffer and overwrite adjacent memory locations, changing the program's execution path and resulting in unintended actions.
Stack-Based Buffer Overflows on Windows x86
Medium
Path Sections 11 Sections
Reward: +10
This module is your first step into Windows Binary Exploitation, and it will teach you how to exploit local and remote buffer overflow vulnerabilities on Windows machines.
Using Web Proxies
Easy
Path Sections 15 Sections
Reward: +20
Web application penetration testing frameworks are an essential part of any web penetration test. This module will teach you two of the best frameworks: Burp Suite and OWASP ZAP.
Attacking Web Applications with Ffuf
Easy
Path Sections 13 Sections
Reward: +10
This module covers the fundamental enumeration skills of web fuzzing and directory brute forcing using the Ffuf tool. The techniques learned in this module will help us in locating hidden pages, directories, and parameters when targeting web applications.
Login Brute Forcing
Easy
Path Sections 13 Sections
Reward: +20
The module contains an exploration of brute-forcing techniques, including the use of tools like Hydra and Medusa, and the importance of strong password practices. It covers various attack scenarios, such as targeting SSH, FTP, and web login forms.
HTTPs/TLS Attacks
Medium
Path Sections 15 Sections
Reward: +100
This module covers details on Transport Layer Security (TLS) and how it helps to make HTTP secure with the widely used HTTPS. That includes how TLS works, how TLS sessions are established, common TLS misconfigurations, as well as famous attacks on TLS. We will discuss how to identify, exploit, and prevent TLS attacks.
Cross-Site Scripting (XSS)
Easy
Path Sections 10 Sections
Reward: +20
Cross-Site Scripting (XSS) vulnerabilities are among the most common web application vulnerabilities. An XSS vulnerability may allow an attacker to execute arbitrary JavaScript code within the target's browser and result in complete web application compromise if chained together with other vulnerabilities. This module will teach you how to identify XSS vulnerabilities and exploit them.
Session Security
Medium
Path Sections 14 Sections
Reward: +20
Maintaining and keeping track of a user's session is an integral part of web applications. It is an area that requires extensive testing to ensure it is set up robustly and securely. This module covers the most common attacks and vulnerabilities that can affect web application sessions, such as Session Hijacking, Session Fixation, Cross-Site Request Forgery, Cross-Site Scripting, and Open Redirects.
SQL Injection Fundamentals
Medium
Path Sections 17 Sections
Reward: +10
Databases are an important part of web application infrastructure and SQL (Structured Query Language) to store, retrieve, and manipulate information stored in them. SQL injection is a code injection technique used to take advantage of coding vulnerabilities and inject SQL queries via an application to bypass authentication, retrieve data from the back-end database, or achieve code execution on the underlying server.
SQLMap Essentials
Easy
Path Sections 11 Sections
Reward: +20
The SQLMap Essentials module will teach you the basics of using SQLMap to discover various types of SQL Injection vulnerabilities, all the way to the advanced enumeration of databases to retrieve all data of interest.
File Inclusion
Medium
Path Sections 11 Sections
Reward: +10
File Inclusion is a common web application vulnerability, which can be easily overlooked as part of a web application's functionality.
File Upload Attacks
Medium
Path Sections 11 Sections
Reward: +20
Arbitrary file uploads are among the most critical web vulnerabilities. These flaws enable attackers to upload malicious files, execute arbitrary commands on the back-end server, and even take control over the entire server and all web applications hosted on it and potentially gain access to sensitive data or cause a service disruption.
Command Injections
Medium
Path Sections 12 Sections
Reward: +20
Command injection vulnerabilities can be leveraged to compromise a hosting server and its entire network. This module will teach you how to identify and exploit command injection vulnerabilities and how to use various filter bypassing techniques to avoid security mitigations.
Broken Authentication
Medium
Path Sections 14 Sections
Reward: +20
Authentication is probably the most straightforward and prevalent measure used to secure access to resources, and it's the first line of defense against unauthorized access. Broken authentication is listed as #7 on the 2021 OWASP Top 10 Web Application Security Risks, falling under the broader category of Identification and Authentication failures. A vulnerability or misconfiguration at the authentication stage can impact an application's overall security.
Web Attacks
Medium
Path Sections 18 Sections
Reward: +20
This module covers three common web vulnerabilities, HTTP Verb Tampering, IDOR, and XXE, each of which can have a significant impact on a company's systems. We will cover how to identify, exploit, and prevent each of them through various methods.
Attacking Common Applications
Medium
Path Sections 33 Sections
Reward: +20
Penetration Testers can come across various applications, such as Content Management Systems, custom web applications, internal portals used by developers and sysadmins, and more. It's common to find the same applications across many different environments. While an application may not be vulnerable in one environment, it may be misconfigured or unpatched in the next. It is important as an assessor to have a firm grasp of enumerating and attacking the common applications discussed in this module. This knowledge will help when encountering other types of applications during assessments.
Web Service & API Attacks
Medium
Path Sections 13 Sections
Reward: +20
Web services and APIs are frequently exposed to provide certain functionalities in a programmatic way between heterogeneous devices and software components. Both web services and APIs can assist in integrating different applications or facilitate separation within a given application. This module covers how to identify the functionality a web service or API offers and exploit any security-related inefficiencies.
Blind SQL Injection
Hard
Path Sections 16 Sections
Reward: +100
In this module, we cover blind SQL injection attacks and MSSQL-specific attacks.
Advanced SQL Injections
Hard
Path Sections 12 Sections
Reward: +100
This module covers advanced SQL injection techniques with a focus on white-box testing, Java/Spring and PostgreSQL.
Parameter Logic Bugs
Hard
Path Sections 21 Sections
Reward: +100
This 'secure coding' module teaches how to identify logic bugs through code review and analysis, and covers three types of logic bugs caused by user input manipulation.
Hacking WordPress
Easy
Path Sections 16 Sections
Reward: +20
WordPress is an open-source Content Management System (CMS) that can be used for multiple purposes.
Documentation & Reporting
Easy
Path Sections 8 Sections
Reward: +20
Proper documentation is paramount during any engagement. The end goal of a technical assessment is the report deliverable which will often be presented to a broad audience within the target organization. We must take detailed notes and be very organized in our documentation, which will help us in the event of an incident during the assessment. This will also help ensure that our reports contain enough detail to illustrate the impact of our findings properly.
CREST CCT APP Preparation

CREST CCT APP Preparation

This is a skill path to prepare you for CREST's CCT APP exam. The following CCT APP syllabus areas (IDs) are covered: A1, A2, A3, A4, A5, B1, B4, B5, B6, B8, B9, B13, B14, C1, C2, C3, C4, D1, D2, E1, E2, E3, E4, E5, E9, F1, F2, F3, F4, F5, F6, F7, F8, F9, G1, G2, G4, G5, G6, G7, G8, G9, H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11, H12, H13, I1, I2, I3, I4, I5, I6, I7, I8, I9, I10, I11, I12, J1, J2, J3. Take your time to complete all related sections and when you are ready you can book your CREST exam through the following link. https://www.crest-approved.org/certification-careers/crest-certifications/crest-certified-web-application-tester/

Medium Path Sections 750 Sections
Required: 4980
Reward: +1100
Path Modules
Introduction to Networking
Fundamental
Path Sections 21 Sections
Reward: +10
As an information security professional, a firm grasp of networking fundamentals and the required components is necessary. Without a strong foundation in networking, it will be tough to progress in any area of information security. Understanding how a network is structured and how the communication between the individual hosts and servers takes place using the various protocols allows us to understand the entire network structure and its network traffic in detail and how different communication standards are handled. This knowledge is essential to create our tools and to interact with the protocols.
Web Requests
Fundamental
Path Sections 8 Sections
Reward: +10
This module introduces the topic of HTTP web requests and how different web applications utilize them to communicate with their backends.
Introduction to Web Applications
Fundamental
Path Sections 17 Sections
Reward: +10
In the Introduction to Web Applications module, you will learn all of the basics of how web applications work and begin to look at them from an information security perspective.
Linux Fundamentals
Fundamental
Path Sections 30 Sections
Reward: +10
This module covers the fundamentals required to work comfortably with the Linux operating system and shell.
Windows Fundamentals
Fundamental
Path Sections 14 Sections
Reward: +10
This module covers the fundamentals required to work comfortably with the Windows operating system.
Introduction to Windows Command Line
Easy
Path Sections 23 Sections
Reward: +10
As administrators and Pentesters, we may not always be able to utilize a graphical user interface for the actions we need to perform. Introduction to Windows Command Line aims to introduce students to the wide range of uses for Command Prompt and PowerShell within a Windows environment. We will cover basic usage of both key executables for administration, useful PowerShell cmdlets and modules, and different ways to leverage these tools to our benefit.
Intro to Network Traffic Analysis
Medium
Path Sections 15 Sections
Reward: +10
Network traffic analysis is used by security teams to monitor network activity and look for anomalies that could indicate security and operational issues. Offensive security practitioners can use network traffic analysis to search for sensitive data such as credentials, hidden applications, reachable network segments, or other potentially sensitive information "on the wire." Network traffic analysis has many uses for attackers and defenders alike.
Penetration Testing Process
Fundamental
Path Sections 15 Sections
Reward: +10
This module teaches the penetration testing process broken down into each stage and discussed in detail. We will cover many aspects of the role of a penetration tester during a penetration test, explained and illustrated with detailed examples. The module also covers pre-engagement steps like the criteria for establishing a contract with a client for a penetration testing engagement.
Network Enumeration with Nmap
Easy
Path Sections 12 Sections
Reward: +10
Nmap is one of the most used networking mapping and discovery tools because of its accurate results and efficiency. The tool is widely used by both offensive and defensive security practitioners. This module covers fundamentals that will be needed to use the Nmap tool for performing effective network enumeration.
Footprinting
Medium
Path Sections 21 Sections
Reward: +20
This module covers techniques for footprinting the most commonly used services in almost all enterprise and business IT infrastructures. Footprinting is an essential phase of any penetration test or security audit to identify and prevent information disclosure. Using this process, we examine the individual services and attempt to obtain as much information from them as possible.
Information Gathering - Web Edition
Easy
Path Sections 19 Sections
Reward: +20
This module equips learners with essential web reconnaissance skills, crucial for ethical hacking and penetration testing. It explores both active and passive techniques, including DNS enumeration, web crawling, analysis of web archives and HTTP headers, and fingerprinting web technologies.
Vulnerability Assessment
Easy
Path Sections 17 Sections
Reward: +10
This module introduces the concept of Vulnerability Assessments. We will review the differences between vulnerability assessments and penetration tests, how to carry out a vulnerability assessment, how to interpret the assessment results, and how to deliver an effective vulnerability assessment report.
File Transfers
Medium
Path Sections 10 Sections
Reward: +10
During an assessment, it is very common for us to transfer files to and from a target system. This module covers file transfer techniques leveraging tools commonly available across all versions of Windows and Linux systems.
Shells & Payloads
Medium
Path Sections 17 Sections
Reward: +10
Gain the knowledge and skills to identify and use shells & payloads to establish a foothold on vulnerable Windows & Linux systems. This module utilizes a fictitious scenario where the learner will place themselves in the perspective of a sysadmin trying out for a position on CAT5 Security's network penetration testing team.
Using the Metasploit Framework
Easy
Path Sections 15 Sections
Reward: +10
The Metasploit Framework is an open-source set of tools used for network enumeration, attacks, testing security vulnerabilities, evading detection, performing privilege escalation attacks, and performing post-exploitation.
Password Attacks
Medium
Path Sections 22 Sections
Reward: +10
Passwords are still the primary method of authentication in corporate networks. If strong password policies are not in place, users will often opt for weak, easy-to-remember passwords that can often be cracked offline and used to further our access. We will encounter passwords in many forms during our assessments. We must understand the various ways they are stored, how they can be retrieved, methods to crack weak passwords, ways to use hashes that cannot be cracked, and hunting for weak/default password usage.
Attacking Common Services
Medium
Path Sections 19 Sections
Reward: +20
Organizations regularly use a standard set of services for different purposes. It is vital to conduct penetration testing activities on each service internally and externally to ensure that they are not introducing security threats. This module will cover how to enumerate each service and test it against known vulnerabilities and exploits with a standard set of tools.
Cracking Passwords with Hashcat
Medium
Path Sections 14 Sections
Reward: +20
This module covers the fundamentals of password cracking using the Hashcat tool.
Introduction to Active Directory
Fundamental
Path Sections 16 Sections
Reward: +10
Active Directory (AD) is present in the majority of corporate environments. Due to its many features and complexity, it presents a vast attack surface. To be successful as penetration testers and information security professionals, we must have a firm understanding of Active Directory fundamentals, AD structures, functionality, common AD flaws, misconfigurations, and defensive measures.
Pivoting, Tunneling, and Port Forwarding
Medium
Path Sections 18 Sections
Reward: +20
Once a foothold is gained during an assessment, it may be in scope to move laterally and vertically within a target network. Using one compromised machine to access another is called pivoting and allows us to access networks and resources that are not directly accessible to us through the compromised host. Port forwarding accepts the traffic on a given IP address and port and redirects it to a different IP address and port combination. Tunneling is a technique that allows us to encapsulate traffic within another protocol so that it looks like a benign traffic stream.
Active Directory Enumeration & Attacks
Medium
Path Sections 36 Sections
Reward: +20
Active Directory (AD) is the leading enterprise domain management suite, providing identity and access management, centralized domain administration, authentication, and much more. Due to the many features and complexity of AD, it presents a large attack surface that is difficult to secure properly. To be successful as infosec professionals, we must understand AD architectures and how to secure our enterprise environments. As Penetration testers, having a firm grasp of what tools, techniques, and procedures are available to us for enumerating and attacking AD environments and commonly seen AD misconfigurations is a must.
Linux Privilege Escalation
Easy
Path Sections 28 Sections
Reward: +20
Privilege escalation is a crucial phase during any security assessment. During this phase, we attempt to gain access to additional users, hosts, and resources to move closer to the assessment's overall goal. There are many ways to escalate privileges. This module aims to cover the most common methods emphasizing real-world misconfigurations and flaws that we may encounter in a client environment. The techniques covered in this module are not an exhaustive list of all possibilities and aim to avoid extreme "edge-case" tactics that may be seen in a Capture the Flag (CTF) exercise.
Windows Privilege Escalation
Medium
Path Sections 33 Sections
Reward: +20
After gaining a foothold, elevating our privileges will provide more options for persistence and may reveal information stored locally that can further our access in the environment. Enumeration is the key to privilege escalation. When you gain initial shell access to the host, it is important to gain situational awareness and uncover details relating to the OS version, patch level, any installed software, our current privileges, group memberships, and more. Windows presents an enormous attack surface and, being that most companies run Windows hosts in some way, we will more often than not find ourselves gaining access to Windows machines during our assessments. This covers common methods while emphasizing real-world misconfigurations and flaws that we may encounter during an assessment. There are many additional "edge-case" possibilities not covered in this module. We will cover both modern and legacy Windows Server and Desktop versions that may be present in a client environment.
Using Web Proxies
Easy
Path Sections 15 Sections
Reward: +20
Web application penetration testing frameworks are an essential part of any web penetration test. This module will teach you two of the best frameworks: Burp Suite and OWASP ZAP.
Attacking Web Applications with Ffuf
Easy
Path Sections 13 Sections
Reward: +10
This module covers the fundamental enumeration skills of web fuzzing and directory brute forcing using the Ffuf tool. The techniques learned in this module will help us in locating hidden pages, directories, and parameters when targeting web applications.
Login Brute Forcing
Easy
Path Sections 13 Sections
Reward: +20
The module contains an exploration of brute-forcing techniques, including the use of tools like Hydra and Medusa, and the importance of strong password practices. It covers various attack scenarios, such as targeting SSH, FTP, and web login forms.
Cross-Site Scripting (XSS)
Easy
Path Sections 10 Sections
Reward: +20
Cross-Site Scripting (XSS) vulnerabilities are among the most common web application vulnerabilities. An XSS vulnerability may allow an attacker to execute arbitrary JavaScript code within the target's browser and result in complete web application compromise if chained together with other vulnerabilities. This module will teach you how to identify XSS vulnerabilities and exploit them.
Session Security
Medium
Path Sections 14 Sections
Reward: +20
Maintaining and keeping track of a user's session is an integral part of web applications. It is an area that requires extensive testing to ensure it is set up robustly and securely. This module covers the most common attacks and vulnerabilities that can affect web application sessions, such as Session Hijacking, Session Fixation, Cross-Site Request Forgery, Cross-Site Scripting, and Open Redirects.
SQL Injection Fundamentals
Medium
Path Sections 17 Sections
Reward: +10
Databases are an important part of web application infrastructure and SQL (Structured Query Language) to store, retrieve, and manipulate information stored in them. SQL injection is a code injection technique used to take advantage of coding vulnerabilities and inject SQL queries via an application to bypass authentication, retrieve data from the back-end database, or achieve code execution on the underlying server.
SQLMap Essentials
Easy
Path Sections 11 Sections
Reward: +20
The SQLMap Essentials module will teach you the basics of using SQLMap to discover various types of SQL Injection vulnerabilities, all the way to the advanced enumeration of databases to retrieve all data of interest.
Blind SQL Injection
Hard
Path Sections 16 Sections
Reward: +100
In this module, we cover blind SQL injection attacks and MSSQL-specific attacks.
Advanced SQL Injections
Hard
Path Sections 12 Sections
Reward: +100
This module covers advanced SQL injection techniques with a focus on white-box testing, Java/Spring and PostgreSQL.
File Inclusion
Medium
Path Sections 11 Sections
Reward: +10
File Inclusion is a common web application vulnerability, which can be easily overlooked as part of a web application's functionality.
File Upload Attacks
Medium
Path Sections 11 Sections
Reward: +20
Arbitrary file uploads are among the most critical web vulnerabilities. These flaws enable attackers to upload malicious files, execute arbitrary commands on the back-end server, and even take control over the entire server and all web applications hosted on it and potentially gain access to sensitive data or cause a service disruption.
Command Injections
Medium
Path Sections 12 Sections
Reward: +20
Command injection vulnerabilities can be leveraged to compromise a hosting server and its entire network. This module will teach you how to identify and exploit command injection vulnerabilities and how to use various filter bypassing techniques to avoid security mitigations.
Broken Authentication
Medium
Path Sections 14 Sections
Reward: +20
Authentication is probably the most straightforward and prevalent measure used to secure access to resources, and it's the first line of defense against unauthorized access. Broken authentication is listed as #7 on the 2021 OWASP Top 10 Web Application Security Risks, falling under the broader category of Identification and Authentication failures. A vulnerability or misconfiguration at the authentication stage can impact an application's overall security.
Web Attacks
Medium
Path Sections 18 Sections
Reward: +20
This module covers three common web vulnerabilities, HTTP Verb Tampering, IDOR, and XXE, each of which can have a significant impact on a company's systems. We will cover how to identify, exploit, and prevent each of them through various methods.
HTTPs/TLS Attacks
Medium
Path Sections 15 Sections
Reward: +100
This module covers details on Transport Layer Security (TLS) and how it helps to make HTTP secure with the widely used HTTPS. That includes how TLS works, how TLS sessions are established, common TLS misconfigurations, as well as famous attacks on TLS. We will discuss how to identify, exploit, and prevent TLS attacks.
HTTP Attacks
Hard
Path Sections 18 Sections
Reward: +100
This module covers three HTTP vulnerabilities: CRLF Injection, HTTP Request Smuggling, and HTTP/2 Downgrading. These vulnerabilities can arise on the HTTP level in real-world deployment settings utilizing intermediary systems such as reverse proxies in front of the web server. We will cover how to identify, exploit, and prevent each of these vulnerabilities.
Abusing HTTP Misconfigurations
Hard
Path Sections 20 Sections
Reward: +100
This module covers three common HTTP vulnerabilities: Web Cache Poisoning, Host Header Vulnerabilities, and Session Puzzling or Session Variable Overloading. These vulnerabilities can arise on the HTTP level due to web server misconfigurations, other systems that have to be considered during real-world deployment such as web caches, or coding mistakes in the web application. We will cover how to identify, exploit, and prevent each of these vulnerabilities.
Attacking Common Applications
Medium
Path Sections 33 Sections
Reward: +20
Penetration Testers can come across various applications, such as Content Management Systems, custom web applications, internal portals used by developers and sysadmins, and more. It's common to find the same applications across many different environments. While an application may not be vulnerable in one environment, it may be misconfigured or unpatched in the next. It is important as an assessor to have a firm grasp of enumerating and attacking the common applications discussed in this module. This knowledge will help when encountering other types of applications during assessments.
Web Service & API Attacks
Medium
Path Sections 13 Sections
Reward: +20
Web services and APIs are frequently exposed to provide certain functionalities in a programmatic way between heterogeneous devices and software components. Both web services and APIs can assist in integrating different applications or facilitate separation within a given application. This module covers how to identify the functionality a web service or API offers and exploit any security-related inefficiencies.
Hacking WordPress
Easy
Path Sections 16 Sections
Reward: +20
WordPress is an open-source Content Management System (CMS) that can be used for multiple purposes.
Documentation & Reporting
Easy
Path Sections 8 Sections
Reward: +20
Proper documentation is paramount during any engagement. The end goal of a technical assessment is the report deliverable which will often be presented to a broad audience within the target organization. We must take detailed notes and be very organized in our documentation, which will help us in the event of an incident during the assessment. This will also help ensure that our reports contain enough detail to illustrate the impact of our findings properly.
CREST CCT INF Preparation

CREST CCT INF Preparation

This is a skill path to prepare you for CREST's CCT INF exam. The following CCT INF syllabus areas (IDs) are covered: A1, A2, A3, A4, A5, A8, A9, A10, B1, B2, B4, B5, C1, C2, C3, C4, C6, C7, D1, D2, D5, D9, D10, D13, D14, D15, D18, D19, E1, E2, E3 E6, E7, E8, E9, E11, E13, E14, E15, E16, E17, E18, E19, E20, E25, E26, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F15, F16, G1, G2, G3, G4, G5, G6, G7, G8, H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11, H12, H13, H14, H15, H16, H17, H19, H20, H21, H23, H24, H25, H26, H27, H28, H29, H30, H31, H32, H33, H34, H35, H36, H37, H38, H40, I1, I2, I3, I4, I6, K1, K2, K3, K4, N1, N2. Take your time to complete all related sections and when you are ready you can book your CREST exam through the following link. https://www.crest-approved.org/certification-careers/crest-certifications/crest-certified-infrastructure-tester/

Hard Path Sections 956 Sections
Required: 11510
Reward: +2430
Path Modules
Introduction to Networking
Fundamental
Path Sections 21 Sections
Reward: +10
As an information security professional, a firm grasp of networking fundamentals and the required components is necessary. Without a strong foundation in networking, it will be tough to progress in any area of information security. Understanding how a network is structured and how the communication between the individual hosts and servers takes place using the various protocols allows us to understand the entire network structure and its network traffic in detail and how different communication standards are handled. This knowledge is essential to create our tools and to interact with the protocols.
Web Requests
Fundamental
Path Sections 8 Sections
Reward: +10
This module introduces the topic of HTTP web requests and how different web applications utilize them to communicate with their backends.
Introduction to Web Applications
Fundamental
Path Sections 17 Sections
Reward: +10
In the Introduction to Web Applications module, you will learn all of the basics of how web applications work and begin to look at them from an information security perspective.
Linux Fundamentals
Fundamental
Path Sections 30 Sections
Reward: +10
This module covers the fundamentals required to work comfortably with the Linux operating system and shell.
Windows Fundamentals
Fundamental
Path Sections 14 Sections
Reward: +10
This module covers the fundamentals required to work comfortably with the Windows operating system.
Introduction to Windows Command Line
Easy
Path Sections 23 Sections
Reward: +10
As administrators and Pentesters, we may not always be able to utilize a graphical user interface for the actions we need to perform. Introduction to Windows Command Line aims to introduce students to the wide range of uses for Command Prompt and PowerShell within a Windows environment. We will cover basic usage of both key executables for administration, useful PowerShell cmdlets and modules, and different ways to leverage these tools to our benefit.
Intro to Network Traffic Analysis
Medium
Path Sections 15 Sections
Reward: +10
Network traffic analysis is used by security teams to monitor network activity and look for anomalies that could indicate security and operational issues. Offensive security practitioners can use network traffic analysis to search for sensitive data such as credentials, hidden applications, reachable network segments, or other potentially sensitive information "on the wire." Network traffic analysis has many uses for attackers and defenders alike.
Brief Intro to Hardware Attacks
mini module tag Mini-Module
Medium
Path Sections 8 Sections
Reward: +10
This mini-module concisely introduces hardware attacks, covering Bluetooth risks and attacks, Cryptanalysis Side-Channel Attacks, and vulnerabilities like Spectre and Meltdown. It delves into both historical and modern Bluetooth hacking techniques, explores the principles of cryptanalysis and different side-channel attacks, and outlines microprocessor design, optimisation strategies and vulnerabilities, such as Spectre and Meltdown.
Penetration Testing Process
Fundamental
Path Sections 15 Sections
Reward: +10
This module teaches the penetration testing process broken down into each stage and discussed in detail. We will cover many aspects of the role of a penetration tester during a penetration test, explained and illustrated with detailed examples. The module also covers pre-engagement steps like the criteria for establishing a contract with a client for a penetration testing engagement.
Network Enumeration with Nmap
Easy
Path Sections 12 Sections
Reward: +10
Nmap is one of the most used networking mapping and discovery tools because of its accurate results and efficiency. The tool is widely used by both offensive and defensive security practitioners. This module covers fundamentals that will be needed to use the Nmap tool for performing effective network enumeration.
Footprinting
Medium
Path Sections 21 Sections
Reward: +20
This module covers techniques for footprinting the most commonly used services in almost all enterprise and business IT infrastructures. Footprinting is an essential phase of any penetration test or security audit to identify and prevent information disclosure. Using this process, we examine the individual services and attempt to obtain as much information from them as possible.
Information Gathering - Web Edition
Easy
Path Sections 19 Sections
Reward: +20
This module equips learners with essential web reconnaissance skills, crucial for ethical hacking and penetration testing. It explores both active and passive techniques, including DNS enumeration, web crawling, analysis of web archives and HTTP headers, and fingerprinting web technologies.
OSINT: Corporate Recon
Hard
Path Sections 23 Sections
Reward: +200
OSINT (Open-source Intelligence) is a crucial stage of the penetration testing process. A thorough examination of publicly available information can increase the chances of finding a vulnerable system, gaining valid credentials through password spraying, or gaining a foothold via social engineering. There is a vast amount of publicly available information from which relevant information needs to be selected.
Vulnerability Assessment
Easy
Path Sections 17 Sections
Reward: +10
This module introduces the concept of Vulnerability Assessments. We will review the differences between vulnerability assessments and penetration tests, how to carry out a vulnerability assessment, how to interpret the assessment results, and how to deliver an effective vulnerability assessment report.
File Transfers
Medium
Path Sections 10 Sections
Reward: +10
During an assessment, it is very common for us to transfer files to and from a target system. This module covers file transfer techniques leveraging tools commonly available across all versions of Windows and Linux systems.
Shells & Payloads
Medium
Path Sections 17 Sections
Reward: +10
Gain the knowledge and skills to identify and use shells & payloads to establish a foothold on vulnerable Windows & Linux systems. This module utilizes a fictitious scenario where the learner will place themselves in the perspective of a sysadmin trying out for a position on CAT5 Security's network penetration testing team.
Using the Metasploit Framework
Easy
Path Sections 15 Sections
Reward: +10
The Metasploit Framework is an open-source set of tools used for network enumeration, attacks, testing security vulnerabilities, evading detection, performing privilege escalation attacks, and performing post-exploitation.
Password Attacks
Medium
Path Sections 22 Sections
Reward: +10
Passwords are still the primary method of authentication in corporate networks. If strong password policies are not in place, users will often opt for weak, easy-to-remember passwords that can often be cracked offline and used to further our access. We will encounter passwords in many forms during our assessments. We must understand the various ways they are stored, how they can be retrieved, methods to crack weak passwords, ways to use hashes that cannot be cracked, and hunting for weak/default password usage.
Attacking Common Services
Medium
Path Sections 19 Sections
Reward: +20
Organizations regularly use a standard set of services for different purposes. It is vital to conduct penetration testing activities on each service internally and externally to ensure that they are not introducing security threats. This module will cover how to enumerate each service and test it against known vulnerabilities and exploits with a standard set of tools.
Cracking Passwords with Hashcat
Medium
Path Sections 14 Sections
Reward: +20
This module covers the fundamentals of password cracking using the Hashcat tool.
Introduction to Active Directory
Fundamental
Path Sections 16 Sections
Reward: +10
Active Directory (AD) is present in the majority of corporate environments. Due to its many features and complexity, it presents a vast attack surface. To be successful as penetration testers and information security professionals, we must have a firm understanding of Active Directory fundamentals, AD structures, functionality, common AD flaws, misconfigurations, and defensive measures.
Active Directory LDAP
Medium
Path Sections 12 Sections
Reward: +100
This module provides an overview of Active Directory (AD), introduces core AD enumeration concepts, and covers enumeration with built-in tools.
Active Directory PowerView
Medium
Path Sections 9 Sections
Reward: +100
This module covers AD enumeration focusing on the PowerView and SharpView tools. We will cover various techniques for enumerating key AD objects that will inform our attacks in later modules.
Active Directory BloodHound
Medium
Path Sections 14 Sections
Reward: +100
This module covers AD enumeration focusing on the BloodHound tool. We will cover various techniques for enumerating key AD objects that will inform our attacks in later modules.
Pivoting, Tunneling, and Port Forwarding
Medium
Path Sections 18 Sections
Reward: +20
Once a foothold is gained during an assessment, it may be in scope to move laterally and vertically within a target network. Using one compromised machine to access another is called pivoting and allows us to access networks and resources that are not directly accessible to us through the compromised host. Port forwarding accepts the traffic on a given IP address and port and redirects it to a different IP address and port combination. Tunneling is a technique that allows us to encapsulate traffic within another protocol so that it looks like a benign traffic stream.
Active Directory Enumeration & Attacks
Medium
Path Sections 36 Sections
Reward: +20
Active Directory (AD) is the leading enterprise domain management suite, providing identity and access management, centralized domain administration, authentication, and much more. Due to the many features and complexity of AD, it presents a large attack surface that is difficult to secure properly. To be successful as infosec professionals, we must understand AD architectures and how to secure our enterprise environments. As Penetration testers, having a firm grasp of what tools, techniques, and procedures are available to us for enumerating and attacking AD environments and commonly seen AD misconfigurations is a must.
Kerberos Attacks
Hard
Path Sections 23 Sections
Reward: +100
Kerberos is an authentication protocol that allows users to authenticate and access services on a potentially insecure network. Due to its prevalence throughout an Active Directory environment, it presents us with a significant attack surface when assessing internal networks. This module will explain how Kerberos works thoroughly and examines several scenarios to practice the most common attacks against it from multiple perspectives.
DACL Attacks I
mini module tag Mini-Module
Hard
Path Sections 7 Sections
Reward: +100
Discretionary Access Control Lists (DACLs), found within security descriptors, are a fundamental component of the security model of Windows and Active Directory, defining and enforcing access to the various system resources. This mini-module will cover enumerating and attacking common DACL misconfigurations, allowing us to escalate our privileges horizontally and vertically and move laterally across an Active Directory network.
Using CrackMapExec
Medium
Path Sections 27 Sections
Reward: +100
Active Directory presents a vast attack surface and often requires us to use many different tools during an assessment. The CrackMapExec tool, known as a "Swiss Army Knife" for testing networks, facilitates enumeration, attacks, and post-exploitation that can be leveraged against most any domain using multiple network protocols. It is a versatile and highly customizable tool that should be in any penetration tester's toolbox.
Linux Privilege Escalation
Easy
Path Sections 28 Sections
Reward: +20
Privilege escalation is a crucial phase during any security assessment. During this phase, we attempt to gain access to additional users, hosts, and resources to move closer to the assessment's overall goal. There are many ways to escalate privileges. This module aims to cover the most common methods emphasizing real-world misconfigurations and flaws that we may encounter in a client environment. The techniques covered in this module are not an exhaustive list of all possibilities and aim to avoid extreme "edge-case" tactics that may be seen in a Capture the Flag (CTF) exercise.
Windows Privilege Escalation
Medium
Path Sections 33 Sections
Reward: +20
After gaining a foothold, elevating our privileges will provide more options for persistence and may reveal information stored locally that can further our access in the environment. Enumeration is the key to privilege escalation. When you gain initial shell access to the host, it is important to gain situational awareness and uncover details relating to the OS version, patch level, any installed software, our current privileges, group memberships, and more. Windows presents an enormous attack surface and, being that most companies run Windows hosts in some way, we will more often than not find ourselves gaining access to Windows machines during our assessments. This covers common methods while emphasizing real-world misconfigurations and flaws that we may encounter during an assessment. There are many additional "edge-case" possibilities not covered in this module. We will cover both modern and legacy Windows Server and Desktop versions that may be present in a client environment.
Stack-Based Buffer Overflows on Linux x86
Medium
Path Sections 13 Sections
Reward: +10
Buffer overflows are common vulnerabilities in software applications that can be exploited to achieve remote code execution (RCE) or perform a Denial-of-Service (DoS) attack. These vulnerabilities are caused by insecure coding, resulting in an attacker being able to overrun a program's buffer and overwrite adjacent memory locations, changing the program's execution path and resulting in unintended actions.
Stack-Based Buffer Overflows on Windows x86
Medium
Path Sections 11 Sections
Reward: +10
This module is your first step into Windows Binary Exploitation, and it will teach you how to exploit local and remote buffer overflow vulnerabilities on Windows machines.
Using Web Proxies
Easy
Path Sections 15 Sections
Reward: +20
Web application penetration testing frameworks are an essential part of any web penetration test. This module will teach you two of the best frameworks: Burp Suite and OWASP ZAP.
Attacking Web Applications with Ffuf
Easy
Path Sections 13 Sections
Reward: +10
This module covers the fundamental enumeration skills of web fuzzing and directory brute forcing using the Ffuf tool. The techniques learned in this module will help us in locating hidden pages, directories, and parameters when targeting web applications.
Login Brute Forcing
Easy
Path Sections 13 Sections
Reward: +20
The module contains an exploration of brute-forcing techniques, including the use of tools like Hydra and Medusa, and the importance of strong password practices. It covers various attack scenarios, such as targeting SSH, FTP, and web login forms.
Cross-Site Scripting (XSS)
Easy
Path Sections 10 Sections
Reward: +20
Cross-Site Scripting (XSS) vulnerabilities are among the most common web application vulnerabilities. An XSS vulnerability may allow an attacker to execute arbitrary JavaScript code within the target's browser and result in complete web application compromise if chained together with other vulnerabilities. This module will teach you how to identify XSS vulnerabilities and exploit them.
Session Security
Medium
Path Sections 14 Sections
Reward: +20
Maintaining and keeping track of a user's session is an integral part of web applications. It is an area that requires extensive testing to ensure it is set up robustly and securely. This module covers the most common attacks and vulnerabilities that can affect web application sessions, such as Session Hijacking, Session Fixation, Cross-Site Request Forgery, Cross-Site Scripting, and Open Redirects.
SQL Injection Fundamentals
Medium
Path Sections 17 Sections
Reward: +10
Databases are an important part of web application infrastructure and SQL (Structured Query Language) to store, retrieve, and manipulate information stored in them. SQL injection is a code injection technique used to take advantage of coding vulnerabilities and inject SQL queries via an application to bypass authentication, retrieve data from the back-end database, or achieve code execution on the underlying server.
SQLMap Essentials
Easy
Path Sections 11 Sections
Reward: +20
The SQLMap Essentials module will teach you the basics of using SQLMap to discover various types of SQL Injection vulnerabilities, all the way to the advanced enumeration of databases to retrieve all data of interest.
Blind SQL Injection
Hard
Path Sections 16 Sections
Reward: +100
In this module, we cover blind SQL injection attacks and MSSQL-specific attacks.
Advanced SQL Injections
Hard
Path Sections 12 Sections
Reward: +100
This module covers advanced SQL injection techniques with a focus on white-box testing, Java/Spring and PostgreSQL.
Introduction to NoSQL Injection
Medium
Path Sections 12 Sections
Reward: +100
In this module, we will look at exploiting NoSQL injection vulnerabilities, specifically MongoDB, with examples in Python, PHP, and Node.JS.
File Inclusion
Medium
Path Sections 11 Sections
Reward: +10
File Inclusion is a common web application vulnerability, which can be easily overlooked as part of a web application's functionality.
File Upload Attacks
Medium
Path Sections 11 Sections
Reward: +20
Arbitrary file uploads are among the most critical web vulnerabilities. These flaws enable attackers to upload malicious files, execute arbitrary commands on the back-end server, and even take control over the entire server and all web applications hosted on it and potentially gain access to sensitive data or cause a service disruption.
Command Injections
Medium
Path Sections 12 Sections
Reward: +20
Command injection vulnerabilities can be leveraged to compromise a hosting server and its entire network. This module will teach you how to identify and exploit command injection vulnerabilities and how to use various filter bypassing techniques to avoid security mitigations.
Broken Authentication
Medium
Path Sections 14 Sections
Reward: +20
Authentication is probably the most straightforward and prevalent measure used to secure access to resources, and it's the first line of defense against unauthorized access. Broken authentication is listed as #7 on the 2021 OWASP Top 10 Web Application Security Risks, falling under the broader category of Identification and Authentication failures. A vulnerability or misconfiguration at the authentication stage can impact an application's overall security.
Web Attacks
Medium
Path Sections 18 Sections
Reward: +20
This module covers three common web vulnerabilities, HTTP Verb Tampering, IDOR, and XXE, each of which can have a significant impact on a company's systems. We will cover how to identify, exploit, and prevent each of them through various methods.
HTTPs/TLS Attacks
Medium
Path Sections 15 Sections
Reward: +100
This module covers details on Transport Layer Security (TLS) and how it helps to make HTTP secure with the widely used HTTPS. That includes how TLS works, how TLS sessions are established, common TLS misconfigurations, as well as famous attacks on TLS. We will discuss how to identify, exploit, and prevent TLS attacks.
HTTP Attacks
Hard
Path Sections 18 Sections
Reward: +100
This module covers three HTTP vulnerabilities: CRLF Injection, HTTP Request Smuggling, and HTTP/2 Downgrading. These vulnerabilities can arise on the HTTP level in real-world deployment settings utilizing intermediary systems such as reverse proxies in front of the web server. We will cover how to identify, exploit, and prevent each of these vulnerabilities.
Injection Attacks
Medium
Path Sections 15 Sections
Reward: +100
This module covers three injection attacks: XPath injection, LDAP injection, and HTML injection in PDF generation libraries. While XPath and LDAP injection vulnerabilities can lead to authentication bypasses and data exfiltration, HTML injection in PDF generation libraries can lead to Server-Side Request Forgery (SSRF), Local File Inclusion (LFI), and other common web vulnerabilities. We will cover how to identify, exploit, and prevent each of these injection attacks.
Abusing HTTP Misconfigurations
Hard
Path Sections 20 Sections
Reward: +100
This module covers three common HTTP vulnerabilities: Web Cache Poisoning, Host Header Vulnerabilities, and Session Puzzling or Session Variable Overloading. These vulnerabilities can arise on the HTTP level due to web server misconfigurations, other systems that have to be considered during real-world deployment such as web caches, or coding mistakes in the web application. We will cover how to identify, exploit, and prevent each of these vulnerabilities.
Attacking Common Applications
Medium
Path Sections 33 Sections
Reward: +20
Penetration Testers can come across various applications, such as Content Management Systems, custom web applications, internal portals used by developers and sysadmins, and more. It's common to find the same applications across many different environments. While an application may not be vulnerable in one environment, it may be misconfigured or unpatched in the next. It is important as an assessor to have a firm grasp of enumerating and attacking the common applications discussed in this module. This knowledge will help when encountering other types of applications during assessments.
Web Service & API Attacks
Medium
Path Sections 13 Sections
Reward: +20
Web services and APIs are frequently exposed to provide certain functionalities in a programmatic way between heterogeneous devices and software components. Both web services and APIs can assist in integrating different applications or facilitate separation within a given application. This module covers how to identify the functionality a web service or API offers and exploit any security-related inefficiencies.
Hacking WordPress
Easy
Path Sections 16 Sections
Reward: +20
WordPress is an open-source Content Management System (CMS) that can be used for multiple purposes.
Documentation & Reporting
Easy
Path Sections 8 Sections
Reward: +20
Proper documentation is paramount during any engagement. The end goal of a technical assessment is the report deliverable which will often be presented to a broad audience within the target organization. We must take detailed notes and be very organized in our documentation, which will help us in the event of an incident during the assessment. This will also help ensure that our reports contain enough detail to illustrate the impact of our findings properly.
Secure Coding 101: JavaScript
Hard
Path Sections 17 Sections
Reward: +200
Learn how to improve your JavaScript code's security through Code Review, Static/Dynamic Analysis, Vulnerability Identification, and Patching.
Whitebox Attacks
Hard
Path Sections 15 Sections
Reward: +100
This module explores several web vulnerabilities from a whitebox approach: Prototype Pollution, Timing Attacks & Race Conditions, and those arising from Type Juggling. We will discuss how to identify, exploit, and prevent each vulnerability.