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27 challenges (Page 1 of 2)

Digital ForensicsLevel 2★★☆☆☆

Find Attack in Apache Logs

Analyze the Apache access.log (common format) to find traces of SQL injection. Tell which attacks succeeded and which…

Digital ForensicsLevel 2★★☆☆☆

Flag Hidden in Excel Macro

Analyze the macro code embedded in the Excel workbook and find the hidden authentication code (the flag). Learn how to…

Digital ForensicsLevel 2★★☆☆☆

Hidden PDF Streams

The PDF file contains compressed object streams. An internal note that is not shown on the page is hidden inside them.…

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…

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…

Network SecurityLevel 2★★☆☆☆

Network Analysis - DNS Zone Transfer Leak

An unauthenticated DNS zone transfer (AXFR) against a misconfigured authoritative server was captured. Download the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - ICMP Data Exfiltration

Data was exfiltrated from the internal host 10.20.0.15 to the external host 203.0.113.66 disguised as ping (ICMP echo…

Network SecurityLevel 2★★☆☆☆

Network Analysis - SMB Share Enumeration Leak

An attacker enumerating SMB shares on the network was captured. Download the packet capture (traffic.pcap), follow the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Telnet Credentials

A legacy server was administered over Telnet in clear text. Download the packet capture (traffic.pcap), follow the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Anonymous FTP Transfer

An anonymous FTP session was captured in clear text. Download the packet capture (traffic.pcap), follow the FTP data…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Clear-text HTTP Credentials

Analyze traffic intercepted on public Wi-Fi where someone logged in over plain HTTP. Download the packet capture…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Plaintext SMTP Attachment

The internal host 10.30.0.25 sent an email to port 25 of the mail server 10.30.0.10 without encryption. Download…

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…