$ ctf42

CTF@AC 2026 Quals

official repo

Web 2

Challenge Has
Domain_Expansion files
sea_shell files

Pwn 2

Challenge Has
Dragon_Guard files
Event_Horizon files

Reverse 3

Challenge Has
Another_One files
babydroid files
firmware_whisper files

Crypto 2

Challenge Has
Poly_Crypto files
Seven_Minutes files

Forensics 3

Challenge Has
Alien_Response files
Its_alive files
Treasure_hunt files

Misc 1

Challenge Has
Acquired_Taste files

OSINT 4

Challenge Has
Impostor files
Vali_Validatorul files
day_walk files
grocery_run files

Blockchain 1

Challenge Has
SuiBank files wu 1

Hardware 2

Challenge Has
Nanovault_Ledger files
Pitlane_Can_Gateway files