$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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7364 challenges · browse all techniques

Challenge CTF Weight Category Has
uncrackable AmateursCTF 2025 – Crypto files
wasm_checker AmateursCTF 2025 – Reverse files
5d_printing BCACTF 2025 – Reverse files
A_Stuffed_Hot_Dog BCACTF 2025 – Crypto files
Annoying BCACTF 2025 – Misc files
BMovie BCACTF 2025 – Crypto files
Conundrum BCACTF 2025 – Reverse files
Flag_Flag BCACTF 2025 – Forensics files
Follow_the_drama BCACTF 2025 – OSINT files
Good_Comms BCACTF 2025 – Forensics files
History BCACTF 2025 – Forensics files
Lambda_Lab BCACTF 2025 – Misc files
Manipulate_Spreadsheet_3 BCACTF 2025 – Misc files
Molasses BCACTF 2025 – Misc files
Morse_Marsh BCACTF 2025 – Crypto files
My_Nokia_Broke BCACTF 2025 – Reverse files
Mysterious_Melody_2 BCACTF 2025 – Forensics files
Neuroflux_Dynamics BCACTF 2025 – Web files
Nimber BCACTF 2025 – Crypto files
Nitro_Nexus BCACTF 2025 – Reverse files
Part_by_Part BCACTF 2025 – Reverse files
Printed BCACTF 2025 – Pwn files
Printer BCACTF 2025 – Pwn files
Q BCACTF 2025 – Crypto files
Recovery_Shop BCACTF 2025 – Forensics files
Rust_Reversing BCACTF 2025 – Reverse files
SMILES_Pleasei BCACTF 2025 – Crypto files
ShallowSeek BCACTF 2025 – Pwn files
Tarred_and_Feathered BCACTF 2025 – Forensics files
Tracer BCACTF 2025 – Web files
What BCACTF 2025 – Web files
algo BCACTF 2025 – Misc files
bad_grades BCACTF 2025 – Misc files
bfffl BCACTF 2025 – Reverse files
evm BCACTF 2025 – Reverse files
expletive BCACTF 2025 – Misc files
ez_xor BCACTF 2025 – Crypto files
go_getter BCACTF 2025 – Reverse files
helpful_feedback BCACTF 2025 – Reverse files
its_all_there BCACTF 2025 – Forensics files