Medium Live


50 points

248 Solves


kcbowhunter ctflearn++ badge

Community Rating: 4.60 / 5


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Don't be fooled by two 0xffd9 markers. xor is your friend.

First 10 Solvers

Rank Username
1 arisuwired
2 critbit
3 Wolfowy
4 lvmalware
5 frank
Rank Username
6 EdbR
7 Canlex
8 ebouteillon
9 Ntoskrnl
10 iraleigh


    • michaelmichael


      hex ed + python. very cool. Had to come back to it a few times. next time i'll try all simple possibilities first.

    • ujjwal


      Learned More About JPEG !!!

      • kcbowhunter ctflearn++ badge


        Shhh... that is the flag, but it is in a binary format. Are there any clues in the challenge that might help with next steps?

    • V1L3N


      Hey, give a hint here itself please! Idk how do i start :(

      • kcbowhunter ctflearn++ badge


        You need to google 0XFFD9 Marker Jpeg file format

        • V1L3N


          thanks, i didn't see your reply still was able to do it. Did exactly what you said, nice challenge :)