$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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32 challenges · browse all techniques

Challenge CTF Weight Category Has
CCCCC
#encoding#nibble-swap
 TFC 2024 – Crypto files wu 1
PADGROUNDS
#padding-oracle#aes-cbc
 TFC 2024 – Crypto files wu 1
JAM
#hash-length-extension#md5
 TFC 2021 – Crypto files wu 1
SEA_LANGUAGE_1
#morse-code
 TFC 2021 – Crypto files wu 3
SEA_LANGUAGE_2
#morse-code
 TFC 2021 – Crypto files wu 3
HOLIDAY TFC 2021 – Crypto files wu 3
2RSAOR2NOTRSA TFC 2025 – Crypto files
DEEZ_ERRORS TFC 2025 – Crypto files
KNOT_EVEN_FUNNY TFC 2025 – Crypto files
MINI_AURA TFC 2025 – Crypto files
WHY_THE_BEAR_HAS_NO_TAIL TFC 2025 – Crypto files
500_points TFC 2024 – Crypto files
BIASED_ELECTIONS TFC 2024 – Crypto files
BIAS_FREE_DEMOCRACY TFC 2024 – Crypto files
CONWAY TFC 2024 – Crypto files
GENETICS TFC 2024 – Crypto files
HELLFIRE_PHANTOM TFC 2024 – Crypto files
ROTATOR_CUFFS TFC 2024 – Crypto files
AES_CTF_TOOL_V1 TFC 2023 – Crypto files
AES_CTF_TOOL_V2 TFC 2023 – Crypto files
ALIEN_MUSIC TFC 2023 – Crypto files
CYPHEREHPYC TFC 2023 – Crypto files
DIZZY TFC 2023 – Crypto files
FERMENTATION TFC 2023 – Crypto files
MAYDAY TFC 2023 – Crypto files
RABID TFC 2023 – Crypto files
ADMIN_PANEL TFC 2022 – Crypto files
ADMIN_PANEL_BUT_HARDER TFC 2022 – Crypto files
ADMIN_PANEL_BUT_HARDER_AND_FIXED TFC 2022 – Crypto files
TRAIN_TO_PADDINGTON TFC 2022 – Crypto files
AM_I_DOING_IT_RIGHT TFC 2021 – Crypto files
KH5YHLZVJP TFC 2021 – Crypto files