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
almost_perfect #vigenere #word-frequency-analysis #key-reuse	OMH 2021	–	Crypto	files wu 1
cry_for_help	OMH 2021	–	Crypto	files
csprng	OMH 2021	–	Crypto	files
fiend	OMH 2021	–	Crypto	files
hotlinker	OMH 2021	–	Crypto	files
jamal	OMH 2021	–	Crypto	files
tower_of_power	OMH 2021	–	Crypto	files