Challenge list
Web SecurityLevel 2★★☆☆☆Web-11. SQL Injection into the Employee Portal
KinoGadget's internal "Employee Access Portal" runs on a legacy authentication system. The lead developer is rumored…
Web SecurityLevel 2★★☆☆☆Web-12. Reflected XSS in BlogSearch
BlogSearch is a simple search engine for blog articles. The search query is embedded into the results page as-is…
Web SecurityLevel 2★★☆☆☆Web-13. Bypassing File Upload Checks in ImageVault
ImageVault is an image hosting service that accepts JPG, PNG, and GIF uploads. If its validation only checks the end…
Web SecurityLevel 2★★☆☆☆Web-14. Command Injection in a Network Diagnostic Tool
This app is a diagnostic tool that runs ping against a host you supply. If the host input is passed straight into a…
Web SecurityLevel 2★★☆☆☆Web-15. IDOR in the UserProfile Service
The UserProfile Service exposes an API that returns profile information for a given user ID. Check whether the service…
Web SecurityLevel 2★★☆☆☆Web-16. Weak JWT Secret in the CHIMERA Research Lab
Clues found after breaching the employee portal point to an isolated research lab system codenamed CHIMERA. It…
Web SecurityLevel 2★★☆☆☆Web-17. Path Traversal in FileShare
FileShare lets users list and download files from a shared folder. Check whether the filename parameter passed to the…
Web SecurityLevel 2★★☆☆☆Web-18. XXE Attack via a Contact Form
This contact form serializes its input as XML and sends it to the server, which parses it and echoes the result.…
Web SecurityLevel 2★★☆☆☆Web-19. CSRF Transfer in a Banking App
This banking app lets a logged-in user transfer money. Check whether CSRF protections exist by seeing if a separate…
Web SecurityLevel 2★★☆☆☆Web-20. SSRF via the URL Fetcher
This URL Fetcher service retrieves and displays the content of any URL a user provides. Check whether it can be…
Digital ForensicsLevel 2★★☆☆☆Find USB History in Windows Registry
Analyze the SYSTEM file (a text model of the USBSTOR part of the registry hive) to identify the USB device that was…
General SkillsLevel 2★★☆☆☆Text Processing Master - sed & awk
/app/data.csv contains CSV data. Perform these operations: 1. Extract only rows where column 2 (price) >= 1000 2.…
Digital ForensicsLevel 2★★☆☆☆Find Secret File in Disk Image
Inspect the ext4 filesystem disk image `disk.img`, find the secret backup hidden in the filesystem, and recover the…
Digital ForensicsLevel 2★★☆☆☆Find Password in Packet Capture
Clear-text HTTP traffic from a shop's internal network was captured. Among many requests, exactly one is the…
Digital ForensicsLevel 2★★☆☆☆Identify Intrusion Time from File Timestamps
Analyze the modification times of the files in evidence/ to identify when the intrusion occurred and which hidden…
General SkillsLevel 2★★☆☆☆Process Hunter - Hidden Process
A process named "secret_service" is running in the background. Find this process and get the following information: 1.…
Digital ForensicsLevel 2★★☆☆☆Find Process in Memory Dump
memory.dump is a simplified text of memory-analysis output (pslist / psscan / cmdline). Find the suspicious process…
General SkillsLevel 2★★☆☆☆Log Analysis - Find the Intruder
/app/auth.log contains authentication logs. Detect suspicious activity: - Identify the IP address with 10+ failed…
Digital ForensicsLevel 2★★☆☆☆Recover Deleted Files
Recover the deleted compressed file (ZIP) from the disk image and find the flag in the memo inside it. Learn how to…
General SkillsLevel 2★★☆☆☆Compression Maze - Nested Archives
/app/flag.tar.gz is a nested compressed file. Decompress step by step: flag.tar.gz → flag.tar → flag.zip.bz2.gz →…
General SkillsLevel 2★★☆☆☆Regex Master - Log File Analysis
The file /app/access.log contains thousands of access log entries. Extract all entries where the IP address starts…
General SkillsLevel 2★★☆☆☆Environment Variable Master - PATH Hijacking
There is a hidden command "getflag" in /app/secret_bin directory. However, this directory is not in PATH, so you…
Digital ForensicsLevel 2★★☆☆☆Message Hidden in Image LSB
Extract the message hidden in the LSB (Least Significant Bit) of a PNG file. Learn the basics of steganography…
Digital ForensicsLevel 3★★★☆☆Extract Session Cookies from Chrome
You are given `/challenge/Cookies` and `/challenge/History` (both SQLite) taken from a Linux Chrome profile. The…