$ ctf42

Challenges

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

433 challenges · browse all techniques

Challenge CTF Weight Category Has
BabyLWE HITCON 2025 – Crypto files
Granular_Counter_Mode HITCON 2025 – Crypto files
Homo_OS HITCON 2025 – Reverse files
IMGC0NV HITCON 2025 – Web files
LeakLess HITCON 2025 – Pwn files
MRSA HITCON 2025 – Crypto files
Maximal_Extractable_Vuln HITCON 2025 – Blockchain files
No_Mans_Echo HITCON 2025 – Misc files
Paranoid HITCON 2025 – Crypto files
Pedantic HITCON 2025 – Crypto files
Pholygloti HITCON 2025 – Misc files
Sharing_is_caring HITCON 2025 – Crypto files
Verilog_OJ HITCON 2025 – Web files
calc HITCON 2025 – Pwn files
concurrent_safe_db HITCON 2025 – Misc files
git_playground HITCON 2025 – Misc files
huge_hashtable HITCON 2025 – Reverse files
secret_notes HITCON 2025 – Pwn files
simp HITCON 2025 – Misc files
simple_drive HITCON 2025 – Crypto files
simple_drive_revenge HITCON 2025 – Crypto files
vibe2 HITCON 2025 – Misc files
wp_admin HITCON 2025 – Web files
bloCkchAin_ciphErS_sERcret NoHackNoCTF 2025 23.47 Crypto files wu 1
AntiVirus HITCON 2024 Quals 100.00 Reverse files
BrokenShare HITCON 2024 Quals 100.00 Crypto files
ECLCG HITCON 2024 Quals 100.00 Crypto files
Echo_as_a_Service HITCON 2024 Quals 100.00 Web files
Flag_Reader HITCON 2024 Quals 100.00 Misc files
Gleamering_Hope HITCON 2024 Quals 100.00 Pwn files
Halloween HITCON 2024 Quals 100.00 Pwn files
Hyper512 HITCON 2024 Quals 100.00 Crypto files
ImagikaTragicka HITCON 2024 Quals 100.00 Web files
Lustrous HITCON 2024 Quals 100.00 Blockchain files
MatProd HITCON 2024 Quals 100.00 Crypto files
PCBC_Revenge HITCON 2024 Quals 100.00 Crypto files
Private_Browsing+ HITCON 2024 Quals 100.00 Web files
RClonE HITCON 2024 Quals 100.00 Web files
Truth_of_NPM HITCON 2024 Quals 100.00 Web files
V8_SBX HITCON 2024 Quals 100.00 Pwn files