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

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
correlated #lfsr #correlation-attack #filtered-lfsr	DiceCTF 2022	24.82	Crypto	files wu 1
zer0lfsr #lfsr #stream-cipher-cryptanalysis #correlation-attack	0CTF 2021 Quals	–	Crypto	files wu 1