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
Streamer #stream-cipher #bruteforce	TSG 2023	–	Crypto	files wu 3
TimeCapsule #stream-cipher #keystream-recovery #permutation-bruteforce	SekaiCTF 2022	24.86	Crypto	files wu 3
Real_Smooth #stream-cipher #known-plaintext	BuckeyeCTF 2023	34.50	Crypto	files wu 2