$ ctf42

Challenges

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

Challenge CTF Weight Category Has
MMDLX
#multi-layer-base64
 Kashi 2025 21.78 Crypto files wu 1
Random_Inator
#predictable-prng-key
 Kashi 2025 21.78 Crypto files wu 1
Ancient_Mystery Kashi 2026 21.78 Crypto files
Blind_Faith Kashi 2026 21.78 Crypto files
Broadcast Kashi 2026 21.78 Crypto files
Cursed_Calligraphy Kashi 2026 21.78 Crypto files
Efficient Kashi 2026 21.78 Crypto files
The_Ganges_Speaks_in_Ciphers Kashi 2026 21.78 Crypto files
Absolutely_Encrypted_Shenanigans Kashi 2025 21.78 Crypto files
Key_Exchange Kashi 2025 21.78 Crypto files
Lost_Frequencies Kashi 2025 21.78 Crypto files