Challenges

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

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

Year

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CTF

Country

Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
Blue_Office #lcg-keystream #seed-bruteforce #known-plaintext	Crypto 2023	59.60	Misc	files wu 1
Revvy_Chevy #lcg-keystream	MetaCTF 2021	–	Reverse	files wu 1