CTF Archives
    GitHub
    All CTFs

    Block

    5 editions·56 challenges·2020–2024

    View on GitHub
    20242023202220212020
    Average—/5Vote and rate each challenge below.

    2024

    16 challengesCTFtime

    crypto3

    Glitch_in_the_Crypt_Exploiting_Faulty_RSA_Decryption
    Sizer_Cipher
    Wheres_My_Key

    misc1

    2048_ai

    pwn6

    2048_hacker_0
    2048_hacker_1
    echo
    echo2
    I_Have_No_Syscalls_And_I_Must_Scream
    Only_Ws

    rev6

    An_Elf_on_a_Shelf
    Custom_Keyboard
    Flower_App
    Nothin_But_Stringz
    Protect_your_API_Key
    Red_Flags

    2023

    16 challengesCTFtime

    crypto2

    Crypto_Slide_Quest
    enCRCroach

    misc7

    Chessbros
    danggit_part_1
    danggit_part_2
    hackerisu_level_0
    nauseous_process
    orakl_password_checker
    roplon

    pwn4

    hackerisu_level_1
    hackerisu_level_2
    tank
    tank_bonus

    rev3

    Guess_the_password
    Halloweened
    There_is_a_bug

    2022

    12 challengesCTFtime

    crypto2

    3_item_menu
    HardCopy

    pwn5

    EZ_pwn_1
    EZ_pwn_2
    ROPlike_easy
    ROPlike_hard
    ROPlike_medium

    rev4

    BLOCKchain
    EZ_RE_1
    its_right_there
    YetAnotherReversingActivity

    web1

    xark

    2021

    10 challengesCTFtime

    crypto1

    collatzeral_damage

    pwn5

    Burnt_Bread
    Card_Theft
    Gil_Triangle
    Korean_Space_Program
    Out_Of_Cash

    rev3

    its_just_an_xor
    Memory_Safe_Hex_Decode
    Memory_Safe_Strcmp

    web1

    Huge_Primes

    2020

    2 challengesCTFtime

    misc2

    Jimi_Jam
    Jimi_Jamming
    CTF Archivessource