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
MeetMeInMiddle #meet-in-the-middle (mitm)	OFPPT 2022	–	Crypto	files wu 2
RSAMod #rsa-common-modulus	OFPPT 2022	–	Crypto	files wu 2
RSASmall #rsa-low-exponent	OFPPT 2022	–	Crypto	files wu 2
XOR #known-plaintext-xor	OFPPT 2022	–	Crypto	files wu 2