$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Casts_apparently Ugra 2025 Quals 32.59 Forensics files
CraftCraft Ugra 2025 Quals 32.59 Misc files
Grille Ugra 2025 Quals 32.59 Crypto files
Is_the_limit Ugra 2025 Quals 32.59 OSINT files
Laundromat Ugra 2025 Quals 32.59 Reverse files
PNG Ugra 2025 Quals 32.59 Forensics files
SecuSafe Ugra 2025 Quals 32.59 Reverse files
Server_with_a_beard Ugra 2025 Quals 32.59 OSINT files
The_Resolution Ugra 2025 Quals 32.59 Misc files
Zhuzhelitsa_II Ugra 2025 Quals 32.59 Crypto files
inside_out Ugra 2025 Quals 32.59 Forensics files
locate Ugra 2025 Quals 32.59 OSINT files
noteasy26 Ugra 2025 Quals 32.59 Crypto files
portable_executable Ugra 2025 Quals 32.59 Reverse files
steg Ugra 2025 Quals 32.59 Misc files
AIxiv AI 2024 – Web files
Fences AI 2024 – OSINT files
Playing_With_Fonts AI 2024 – Web files
UwUfier AI 2024 – Pwn files
llm AI 2024 – Misc files
BigBlackCode BRICS+ 2024 Quals 25.00 Crypto files
ML_goes_BRRRrr BRICS+ 2024 Quals 25.00 Misc files
chains BRICS+ 2024 Quals 25.00 Pwn files
dolly BRICS+ 2024 Quals 25.00 Reverse files
excess BRICS+ 2024 Quals 25.00 Web files
exfilter BRICS+ 2024 Quals 25.00 Reverse files
gollum BRICS+ 2024 Quals 25.00 Pwn files
jabba BRICS+ 2024 Quals 25.00 Misc files
mirage BRICS+ 2024 Quals 25.00 Web files
neplox_wallet BRICS+ 2024 Quals 25.00 Crypto files
physler BRICS+ 2024 Quals 25.00 Pwn files
shELFing BRICS+ 2024 Quals 25.00 Misc files
villa BRICS+ 2024 Quals 25.00 Web files
xoshiro256++ BRICS+ 2024 Quals 25.00 Crypto files
A_confusing_cipher Cybercoliseum 2024 20.95 Crypto files
A_strangers_memory Cybercoliseum 2024 20.95 Reverse files
Buy_an_elephant Cybercoliseum 2024 20.95 Pwn files
Careful_with_trust Cybercoliseum 2024 20.95 Forensics files
Earth_Rumble_2 Cybercoliseum 2024 20.95 Forensics files
Entry_is_not_for_everyone Cybercoliseum 2024 20.95 Pwn files