$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

143 challenges · browse all techniques

Challenge CTF Weight Category Has
Juice HKUSTFirebird 2024 – Web files wu 3
Relay HKUSTFirebird 2024 – Reverse files wu 3
4_piece_puzzle GaslightCTF 2026 – Forensics files
Compiled_Source_Sheets GaslightCTF 2026 – Reverse files
CompleteHTTP GaslightCTF 2026 – Crypto files
NEWJEANS_IS_FIVE GaslightCTF 2026 – Crypto files
Tuning_Keyboard_v6.7 GaslightCTF 2026 – Misc files
Where_the_dream_starts_1 GaslightCTF 2026 – Crypto files
Where_the_dream_starts_2 GaslightCTF 2026 – Crypto files
Where_the_dream_starts_3 GaslightCTF 2026 – Crypto files
affine_hill GaslightCTF 2026 – Crypto files
biscuit GaslightCTF 2026 – Web files
blackout GaslightCTF 2026 – Forensics files
down_the_stream_1 GaslightCTF 2026 – Crypto files
down_the_stream_2 GaslightCTF 2026 – Crypto files
good_enough GaslightCTF 2026 – Pwn files
good_luck GaslightCTF 2026 – Forensics files
icon_sketch GaslightCTF 2026 – Forensics files
json_warehouse GaslightCTF 2026 – Web files
layered_pages GaslightCTF 2026 – Forensics files
meow GaslightCTF 2026 – Misc files
messageboard GaslightCTF 2026 – Web files
mineguesser GaslightCTF 2026 – Misc files
no_info GaslightCTF 2026 – Crypto files
odyssey GaslightCTF 2026 – Misc files
ohfrick GaslightCTF 2026 – Reverse files
quack GaslightCTF 2026 – Misc files
speedy GaslightCTF 2026 – Misc files
thirds GaslightCTF 2026 – Pwn files
ucas GaslightCTF 2026 – Pwn files
useless_rce GaslightCTF 2026 – Misc files
Almost_DSA HKCERT 2024 Quals – Crypto files
Baby_Cracker HKCERT 2024 Quals – Reverse files
Bashed HKCERT 2024 Quals – Reverse files
Black_C2 HKCERT 2024 Quals – Pwn files
Black_Magic HKCERT 2024 Quals – Reverse files
ChatGGT_1 HKCERT 2024 Quals – Pwn files
ChatGGT_2 HKCERT 2024 Quals – Pwn files
Chimera HKCERT 2024 Quals – Web files
Cook_book HKCERT 2024 Quals – Forensics files