$ ctf42

Challenges

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58 challenges · browse all techniques

Challenge CTF Weight Category Has
D
#dickson-polynomial#permutation-polynomial
 VuwCTF 2026 25.00 Crypto files wu 1
ant_universe
#bcrypt-truncation#authentication-bypass
 VuwCTF 2026 25.00 Web files wu 1
compression
#run-length-encoding#byte-pair-encoding#figlet
 VuwCTF 2026 25.00 Forensics files wu 1
concord
#finite-field#brute-force
 VuwCTF 2026 25.00 Crypto files wu 1
dotsbedashing
#morse-code#xor#bit-rotation
 VuwCTF 2026 25.00 Reverse files wu 1
ilikewords
#xor#kaprekar-constant
 VuwCTF 2026 25.00 Reverse files wu 1
just_download_it
#path-traversal#lfi (local-file-inclusion)
 VuwCTF 2026 25.00 Web files wu 1
nom_nom
#rsa#franklin-reiter#related-message
 VuwCTF 2026 25.00 Crypto files wu 1
math_solver VuwCTF 2025 – Reverse files wu 1
Mixed_Moose VuwCTF 2026 25.00 Reverse files
Mixed_Moose_EX VuwCTF 2026 25.00 Reverse files
barcode VuwCTF 2026 25.00 Forensics files
buffalo VuwCTF 2026 25.00 OSINT files
cc VuwCTF 2026 25.00 Reverse files
compression_2 VuwCTF 2026 25.00 Forensics files
concealed VuwCTF 2026 25.00 Misc files
connected VuwCTF 2026 25.00 OSINT files
copland_opportunity VuwCTF 2026 25.00 Forensics files
copland_spirit VuwCTF 2026 25.00 Forensics files
cousin VuwCTF 2026 25.00 OSINT files
farming VuwCTF 2026 25.00 Crypto files
festi VuwCTF 2026 25.00 OSINT files
fintech VuwCTF 2026 25.00 Misc files
gomoku VuwCTF 2026 25.00 Pwn files
moosecalc VuwCTF 2026 25.00 Pwn files
moosespell VuwCTF 2026 25.00 Web files
objective_c VuwCTF 2026 25.00 Reverse files
rewind VuwCTF 2026 25.00 Pwn files
sage VuwCTF 2026 25.00 OSINT files
squeak VuwCTF 2026 25.00 Misc files
taptaptap VuwCTF 2026 25.00 OSINT files
visionary VuwCTF 2026 25.00 Crypto files
1.5x_engineer_1 VuwCTF 2025 – Forensics files
1.5x_engineer_2 VuwCTF 2025 – Forensics files
Classy_People_Dont_Debug VuwCTF 2025 – Reverse files
Go_Go_Cyber_Ranger VuwCTF 2025 – Web files
Its_News VuwCTF 2025 – OSINT files
Matroiska VuwCTF 2025 – Forensics files
a_new_machine VuwCTF 2025 – Reverse files
blazingly_fast_memory_unsafe VuwCTF 2025 – Pwn files