CTF Archives
    GitHub
    All CTFs

    IrisCTF

    3 editions·83 challenges·2023–2025

    View on GitHub
    202520242023
    Average—/5Vote and rate each challenge below.

    2025

    24 challengesCTFtime

    crypto4

    AYES
    KittyCrypt
    knutsacque
    SPHINCS5

    forensic3

    deldeldel
    RIP_Art
    Tracem_1

    misc4

    Cobras_Den
    DAC
    prime5
    warden

    net2

    NetHog
    No_Shark

    pwn3

    Checksumz
    MyFiles
    sqlate

    rev3

    Crispy_Kelp
    Now_this_will_run_on_my_486
    rev_lifetime

    rf1

    dotdotdot

    web4

    Bad_Todo
    Password_Manager
    Political
    webwebhookhook

    2024

    36 challengesCTFtime

    crypto7

    Accessible_Sesamum_Indicum
    Attack_of_the_Kleins
    Baby_Charge
    Beach_Party_Crypto
    dhash
    Integral_Communication
    manykey

    forensic5

    buzzbuzz
    Corrupted_World
    Lost_and_Found
    Not_Just_Media
    What_the_Beep

    misc6

    Name_that_song_3
    Name_that_song_4
    Secret_FBX
    Sir_Scope
    The_Peano_Scramble
    Voice_Lock

    net4

    Copper_Selachimorpha
    Sharing_is_Caring
    skats_Network_History
    Wheres_skat

    osint2

    Away_on_Vacation
    Czech_Where

    pwn4

    Insanity_Check
    Memory
    Sequilitis
    Serious_Banking

    rev5

    CloudVM
    Rune_Whats_that
    Secure_Computing
    Small_Universe
    The_Johnsons

    web3

    LameNote
    Mokersee
    Whats_My_Password

    2023

    23 challengesCTFtime

    crypto6

    AES-BAD-256
    babymixup
    babynotrsa
    NoncesAndKeys
    SMarT1
    SMarT2

    pwn5

    infinitedescent
    MichaelBank
    ret2libm
    seek
    socat

    rev5

    AlienMath
    baby_rev
    ClosetComputer
    MeaningOfPython1
    Scratchtastic

    web7

    babycsrf
    babystrechy
    FeelingTagged
    metacalc
    mokerview
    MyCoolSDK
    sanitizer
    CTF Archivessource