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September 2001/Tech Tips/Listing 1

Listing 1: selfdel.cpp — Deleting a running executable file

#include <windows.h>

int main()
{
    HMODULE module = GetModuleHandle(0);

    CHAR buf[MAX_PATH];

    GetModuleFileName(module, buf, sizeof buf);

    CloseHandle(HANDLE(4));

    __asm {
        lea     eax, buf
        push    0               // argument to ExitProcess
        push    0               // return address of ExitProcess
        push    eax             // argument to DeleteFile
        push    ExitProcess     // return address of DeleteFile
        push    module          // argument to UnmapViewOfFile
        push    DeleteFile      // return address of UnmapViewOfFile
        push    UnmapViewOfFile
        ret
    }

    return 0;
}

// End of File

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