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Checklist.md

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Easy Challenges

  • Image
  • Audio Files

Toolkit

Check File type

file image.png

Check Strings in file

strings image.png |grep flag or something related

Check Metadata via exiftool

exiftool image.png Exiftool Commands

Check zipped/compressed data

binwalk -e image.png

Check hidden data embeded

There are two methods

    1. You know password - steghide extract -sf image.png
    1. Dont know password - stegcracker image.png

Check broken image header

hexedit image.png

  • a normal png header is 00000000 89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 |.PNG........IHDR|
  • a JFIF header is 0x FF D8 FF E0 xx xx 4A 46 49 46 00

Check Hidden between Images

zsteg image.png

Check for text file

A txt file is given with paragraphs here stegsnow might help to retrive flag

Check for Spectrogram

mp3 wav file you can use audacity

Check data in LSB/MSB/Xth Bit

SHIT

Medium Challenges

Hard Challenges

MindFuck Challenges