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Class 09 · KP 09 / 25

SSDT Redirect (Diagram)

syscalluser → kernelSSDT entryservice tablerootkit handlerhides filesoriginal Nt* fn
SSDT hook: redirect a syscall (e.g. NtQueryDirectoryFile) to hide artifacts.

The rootkit calls the real routine, strips rows that name its files or

process, and returns the trimmed result upward.