Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

–

Higher weight ≈ harder, more prestigious event.

Year

–

CTF

Country

Must have Source / Docker Writeup

Sort

Reset

Challenge	CTF	Weight	Category	Has
Art_Class #maritime-signal-flags #visual-decoding	UMDCTF 2021	–	Crypto	files wu 2
Flags #maritime-signal-flags	picoCTF 2019	–	Crypto	files wu 1