airborne/payload/payload.cpp

#pragma GCC diagnostic ignored "-Wunused-parameter"

#include <windows.h>

#ifdef BUILD_DLL
#define DLL_EXPORT __declspec(dllexport)
#else
#define DLL_EXPORT __declspec(dllimport)
#endif

BOOL WINAPI DllMain(HMODULE hModule, DWORD dwReason, LPVOID lpReserved) {
  if (dwReason == DLL_PROCESS_ATTACH) {
    CreateProcessW(L"C:\\Windows\\System32\\calc.exe", NULL, NULL, NULL, FALSE, 0, NULL, NULL, NULL, NULL);
  }

  return TRUE;
}

BOOL PrintMessage(LPVOID lpUserData, DWORD dwUserDataSize) {
  auto lpText = static_cast<LPCWSTR>(lpUserData);
  MessageBoxW(NULL, lpText, L"Hello World!", MB_OK);

  return TRUE;
}