$ ctf42

Challenges

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

Challenge CTF Weight Category Has
rfc1149a DEFCON 2026 Quals 63.22 Misc files
shelldiet DEFCON 2026 Quals 63.22 Misc files
NautilusInstituteContinuousIntegrationAndContinuousDelivery DEFCON 2025 Quals 69.44 Misc files
Rainbow_Mountain DEFCON 2025 Quals 69.44 Misc files
Seven_El_Bee DEFCON 2025 Quals 69.44 Misc files
Ten_of_Spades DEFCON 2025 Quals 69.44 Misc files
callmerust DEFCON 2025 Quals 69.44 Misc files
dialects DEFCON 2025 Quals 69.44 Misc files
echoid DEFCON 2025 Quals 69.44 Misc files
holographic DEFCON 2025 Quals 69.44 Misc files
im_pio_ssible DEFCON 2025 Quals 69.44 Misc files
jxl4fun DEFCON 2025 Quals 69.44 Misc files
jxl4fun2 DEFCON 2025 Quals 69.44 Misc files
memorybank DEFCON 2025 Quals 69.44 Misc files
nfuncs1 DEFCON 2025 Quals 69.44 Misc files
tetrx DEFCON 2025 Quals 69.44 Misc files
tiniii DEFCON 2025 Quals 69.44 Misc files
totem1 DEFCON 2025 Quals 69.44 Misc files
you_wouldnt_download_a_3d_printer DEFCON 2025 Quals 69.44 Misc files
BIOS DEFCON 2022 Quals 77.83 Misc files
Crypto_Chall DEFCON 2022 Quals 77.83 Misc files
Hash_It DEFCON 2022 Quals 77.83 Misc files
OldSchool DEFCON 2022 Quals 77.83 Misc files
PrettyRandomFunction DEFCON 2022 Quals 77.83 Misc files
Secrecy DEFCON 2022 Quals 77.83 Misc files
Teedium_Wallet DEFCON 2022 Quals 77.83 Misc files
adamd DEFCON 2022 Quals 77.83 Misc files
constricted DEFCON 2022 Quals 77.83 Misc files
not-so-advanced DEFCON 2022 Quals 77.83 Misc files
smugglers_cove DEFCON 2022 Quals 77.83 Misc files
adventure-on-lifebooox DEFCON 2020 Quals 67.72 Misc files
babymaze DEFCON 2020 Quals 67.72 Misc files
biooosless DEFCON 2020 Quals 67.72 Misc files
blursed DEFCON 2020 Quals 67.72 Misc files
bytecoooding DEFCON 2020 Quals 67.72 Misc files
coooppersmith DEFCON 2020 Quals 67.72 Misc files
cursed DEFCON 2020 Quals 67.72 Misc files
fungez DEFCON 2020 Quals 67.72 Misc files
interrupted DEFCON 2020 Quals 67.72 Misc files
keml DEFCON 2020 Quals 67.72 Misc files