$ ctf42

Challenges

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

144 challenges · browse all techniques

Challenge CTF Weight Category Has
BrainSim
#brainfuck#buffer-overflow
 COMPFEST 2021 – Pwn files wu 1
Magical_Mystery_Club
#z3-solver#constraint-solving
 COMPFEST 2021 – Reverse files wu 1
Pave_The_Way
#java-jar-reversing#decompilation
 COMPFEST 2021 – Reverse files wu 1
Secure_Channel
#diffie-hellman#small-key-bruteforce
 COMPFEST 2021 – Crypto files wu 1
Shop_Manager
#heap-overflow#tcache
 COMPFEST 2021 – Pwn files wu 1
Snab_Yes_Snab
#rsa#factordb
 COMPFEST 2021 – Crypto files wu 2
You_AES_Me_Up
#aes-decryption-oracle
 COMPFEST 2021 – Crypto files wu 2
binary-exploitation-is-ez
#stack-overflow#ret2win
 COMPFEST 2020 – Misc files wu 1
gambling-problem-2
#integer-overflow
 COMPFEST 2020 – Misc files wu 1
BlockJail COMPFEST 2026 – Blockchain files wu 2
Phantom_Ledger COMPFEST 2026 – Blockchain files wu 2
The_Timekeepers_Paradox COMPFEST 2026 – Blockchain files wu 3
Intro_to_ETH TheCyberJawaraInternational 2024 23.62 Blockchain files wu 1
Nusantara_Fortune_Pool TheCyberJawaraInternational 2024 23.62 Blockchain files wu 3
BYOD ARA 2026 – Forensics files
Bloom_in_Two ARA 2026 – Crypto files
Code_Share ARA 2026 – Web files
Confession_App ARA 2026 – Web files
Ended_of_Justify_Lylera_Secret ARA 2026 – Web files
Eon_Notes ARA 2026 – Pwn files
Friend ARA 2026 – Misc files
Jericho_Script ARA 2026 – Pwn files
Katakan_Peta ARA 2026 – Pwn files
Rizumu_Melody_Ha_armony ARA 2026 – Misc files
a_blast_from_the_past ARA 2026 – Reverse files
git2root ARA 2026 – Misc files
i_like_to_move_it_move_it ARA 2026 – Reverse files
same ARA 2026 – Crypto files
transawit ARA 2026 – Reverse files
wilson_disaster ARA 2026 – Forensics files
Backrooms COMPFEST 2026 – Reverse files
BurhanGuild_Loader_Incident COMPFEST 2026 – Forensics files
Compfest_Coin COMPFEST 2026 – Blockchain files
Future_Diary COMPFEST 2026 – Pwn files
ITS_ME_BURHAN COMPFEST 2026 – Reverse files
Intern COMPFEST 2026 – Forensics files
Jacobian_as_a_Service COMPFEST 2026 – Misc files
NACREVAULT COMPFEST 2026 – Crypto files
TapTap COMPFEST 2026 – Web files
The_67th_Line COMPFEST 2026 – Crypto files