Challenges

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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Challenge	CTF	Weight	Category	Has
kernel #kernel-exploitation #use-after-free (uaf)#userfaultfd #modprobe-path #race-condition	HITCON 2022	–	Pwn	files wu 1
eBPF #ebpf #verifier-bypass #kernel-exploitation #modprobe-path	GoogleCTF 2021	–	Pwn	files wu 1