$ ctf42

Challenges

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

13 challenges · browse all techniques

Challenge CTF Weight Category Has
MineGame
#reversing#minesweeper#prng-prediction
 DaVinciCTF 2022 24.50 Reverse files wu 2
Obfuscated
#java-reversing#string-obfuscation#per-chunk-check
 DaVinciCTF 2022 24.50 Reverse files wu 1
CrackMe
#reversing#hash-byte-reversal#hashcat
 DaVinciCTF 2021 24.50 Reverse files wu 3
RoccaPia
#reversing#xor-cipher
 DaVinciCTF 2021 24.50 Reverse files wu 3
Cryptex DaVinciCTF 2021 24.50 Reverse files wu 1
Davinci_Click DaVinciCTF 2025 32.59 Reverse files
Infected_Brick DaVinciCTF 2025 32.59 Reverse files
Synthesize_me DaVinciCTF 2025 32.59 Reverse files
VinciVault DaVinciCTF 2025 32.59 Reverse files
BabyRev DaVinciCTF 2023 29.26 Reverse files
QRCode DaVinciCTF 2023 29.26 Reverse files
CryptoVault DaVinciCTF 2022 24.50 Reverse files
PeripheralInterfaceControllerXVI DaVinciCTF 2022 24.50 Reverse files