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// index directory

  • Web Exploitation
    • HTTP Basics for CTF
    • SQL Injection
    • Cross-Site Scripting (XSS)
  • Cryptography
    • Classical Ciphers
    • XOR Encoding
    • RSA Basics
  • Reverse Engineering
    • Reverse Engineering Basics
    • Ghidra Workflow for CTF
    • Dynamic Analysis with GDB
  • Binary Exploitation
    • Buffer Overflow Basics
    • Format String Bugs
    • Return-Oriented Programming
  • Forensics
    • File Analysis Fundamentals
    • PCAP Analysis
    • Memory Forensics with Volatility
  • OSINT
    • OSINT Basics
    • Geolocation Challenges
  • Steganography
    • Image Steganography
    • Audio Steganography
  • Networking
    • Protocol Analysis
    • Network Reconnaissance
  • Miscellaneous
    • Encoding and Decoding
    • Scripting for CTF
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OSINT

// 2 published field manuals

Open-Source Intelligence challenges test your ability to find information that is public but not obvious, using search, metadata, and geolocation.

› field manual articles

  • 01

    OSINT Basics

    Find information about people, organisations, and infrastructure using only public sources — the OSINT mindset and starter toolkit.

    beginner
  • 02

    Geolocation Challenges

    Identify where a photo was taken using environmental clues, reverse image search, and map tools.

    beginner
Forensicscategories indexSteganography
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