Other articles


  1. Doki Doki Anticheat | hack.lu 2023

    Challenge author: m0ezk

    Heyo stranger, I really need ur help! My PC hasn't been working for the past few days and the only thing I'm left with are my savefiles (I always have them on my USB-Stick, just in case). I need to know what's next in my favorite video …

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  2. Bürografie | FAUST CTF 2023

    The app had (at least :D) two exploits and also two flag storages. The checker would upload two flags each round.

    • Flag Store 1: The public message "Your message to the world"
    • Flag Store 2: The uploaded file "Upload your personal office supply"

    Flag Store 1

    The flag is stored …

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  3. YOR - XOR is so last year | hxp CTF 2022

    #!/usr/bin/env python3
    import random
    
    greets = [
        "Herzlich willkommen! Der Schlüssel ist {0}, und die Flagge lautet {1}.",
        "Bienvenue! Le clé est {0}, et le drapeau est {1}.",
        "Hartelijk welkom! De sleutel is {0}, en de vlag luidt {1}.",
        "ようこそ!鍵は{0}、旗は{1}で …
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