Hack the CTF
  • 🚩Welcome to Hack the CTF
  • Getting Started
    • ⭐Course Overview
    • ❓Why We Made This Course
    • 🔷Why CTFs are Important
    • Types of CTFs
    • Interesting CTF Info
  • Basics
    • Flag Format
    • Challenge Types (chals)
    • ✨Misc Terms & Rules
    • Tools and Methods
    • 🎮Let's Play
  • The Challenges
    • 🤔Learn, Hints, Solutions
    • 🟩EASY CHALS
      • 🟩Flag on a Function
      • 🟩Binary
      • 🟩Find and Watch
      • 🟩Lots of Them
      • 🟩Who Said This?
      • 🟩Click This Link
      • 🟩Remote Connect
      • 🟩Beeps and Beeps
      • 🟩Someone Not Use HTTPS
      • 🟩Cipher
      • 🟩Find Someone
      • 🟩CTF Page #2
      • 🟩Too Much Blue
    • 🟨MEDIUM CHALS
      • 🟨Hiding Right in Front of You
      • 🟨Base64 is the Answer
      • 🟨Hash of the Server IP Address
      • 🟨Query String
      • 🟨Literally in the Picture
      • 🟨Find the Texty Record
      • 🟨Where in the git is the Flag?
      • 🟨Websockets Delivery
      • 🟨Hacker Hid a File
      • 🟨I Hear Something
      • 🟨Where Am I?
      • 🟨Shakespeare is Hiding Something
      • 🟨CTF Page
    • 🟥HARD CHALS
      • 🟥Image Doesn't Work
      • 🟥Where is it?
      • 🟥Code Breaker
      • 🟥TV - Amateur Radio Way
  • Extra Resources
    • Where to Find More CTFs
  • Conclusion
    • Course Recap
    • 📝Quiz
    • 🦉Keep on Learning
  • SouthHills Info Request
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On this page
  1. The Challenges
  2. HARD CHALS

Image Doesn't Work

FORENSICS | investigate PCAPs, metadata, and memory to get the full story | HARD

This flag is about knowing the basics of file formats and then using that information so you can either fix the image header or image data that has been corrupted or somehow pull out the individual segments of the image file and reassemble.

Hints

https://en.wikipedia.org/wiki/PNG

Solutions

https://www.youtube.com/watch?v=rUbn3GNNVI8&list=PLFuCtJnW6S5iSDjIFa2QAjWi7BcKJBJhm

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Last updated 3 months ago

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