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Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

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Higher weight ≈ harder, more prestigious event.

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6 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Grille	Ugra 2025 Quals	32.59	Crypto	files
Zhuzhelitsa_II	Ugra 2025 Quals	32.59	Crypto	files
noteasy26	Ugra 2025 Quals	32.59	Crypto	files
A_messenger	Ugra 2024 Quals	25.00	Crypto	files
Eat_the_rich	Ugra 2024 Quals	25.00	Crypto	files
Pedersen	Ugra 2024 Quals	25.00	Crypto	files