کدهایی که استفاده شده:

// dll source code
#include <stdio.h>
#include <windows.h>
BOOL WINAPI DllMain(HINSTANCE hinstDLL,DWORD fdwReason,LPVOID lpvReserved)
{
  switch(fdwReason)
  {
    case DLL_PROCESS_ATTACH:
    {
      int btn = MessageBox(NULL, "This is a simple messagebox", "Bad DLL", MB_OKCANCEL | MB_ICONINFORMATION);
      if (btn == IDCANCEL){
        MessageBox(NULL, "Cancel clicked", "Info", MB_OK );
      }else{
        MessageBox(NULL, "OK clicked", "Info", MB_OK );
      }
      
      break;
    }
    case DLL_PROCESS_DETACH:
    {
      break;
    }
    case DLL_THREAD_ATTACH:
    {
      break;
    }
    case DLL_THREAD_DETACH:
    {
      break;
    }
  }

  return TRUE;
}
----------------------------------------------------------------------------------------------------
// injector source code
#include <stdio.h>
#include <Windows.h>

int main(int argc, char* argv[]){
  
  if(argc != 2){
    printf("Usage: %s <path>\n",argv[0]);
    return -1;
  }
  
  printf("[*] Injecting %s ...\n",argv[1]);
  
  if(LoadLibraryA(argv[1]) == NULL){
    return -1;
  }
  printf("[+] DLL injected successfully\n");
  
  return 0;
}