Hi, I'm Fep.
I write about things I find interesting. Mostly cybersecurity, programming, and random tech explorations.
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View all- Procfs Dmesg ChallengeA variation of the procfs challenge where the flag is leaked to the kernel log.
- Procfs Indirect Call ChallengeDocumentation of a kernel challenge involving an arbitrary indirect call to user-space.
- Procfs Ioctl ChallengeDocumentation of a kernel challenge that uses ioctl for authentication and privilege escalation.
- Procfs Ioctl Struct ChallengeDocumentation of a kernel challenge that executes shellcode passed via a structure in an ioctl call.
- Procfs Overflow ChallengeDocumentation of a kernel-space stack overflow via procfs.
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