vectored exception handler c

Within the PvectoredExceptionHandler function, we define the exception code, e. Categories : Control flow Microsoft application programming interfaces. To do this, all native APIs which are declared as pointers are initialised directly in the shellcode loader via the corresponding SSN. Find Syscall and Return Finally, in order to execute the SSN which is already in the rax register within the VEH function PvectoredExceptionHandler , we need to find a way to pass the memory address of a syscall instruction to the rip register. Some exception handlers work for an entire process, but some work for the current thread only.

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