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.

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
RSA_Bummer #wilsons-theorem #rabin-cryptosystem	BITSCTF 2025	–	Crypto	files wu 1
maid #rabin-cryptosystem #modulus-recovery-gcd #decryption-oracle	Crypto 2021	36.00	Misc	files wu 1