Tag: syscall hooking

FlipSwitch introduces a new syscall hooking technique for Linux kernel 6.9+, bypassing traditional methods rendered obsolete by changes in the syscall dispatch mechanism. The technique locates the original syscall function, scans the x64_sys_call function's machine code for a specific call instruct…

PUMAKIT is a sophisticated multi-stage Linux malware consisting of a dropper, memory-resident executables, an LKM rootkit, and a userland rootkit. It employs advanced stealth techniques to hide its presence and maintain C2 communication. The rootkit hooks 18 syscalls and kernel functions using ftra…