Proxy for hide identity of scaning

This proxy code can be used for hide your location when doing scanings on servers.

import sys

import socket

import threading

def hexdump(src, length=16):

result = []

digits = 4 if isinstance(src, unicode) else 2

for i in xrange(0, len(src), length):

s = src[i:i+length]

hexa = b' '.join(["%0*X"% (digits, ord(x)) for x in s])

text = b''.join([x if 0x20 <= ord(x) <0x7F else b'.' for x in s])

result.append(b"%04X %-*s %s" % (i, length*(digits+1), hexa, text))

print b'\n'.join(result)

def recieve_from(connection):

buffer = ""

connection.settimeout(2)

try:

while True:

data = connection.recv(4096)

if not data:

break

buffer += data

except:

pass

return buffer

def request_handler(buffer):

#can perform packet modification

return buffer

def response_handler(buffer):

# perform packet modification

return buffer

def proxy_handler(client_socket, remote_host, remote_port, recieve_first):

remote_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

remote_socket.connect((remote_host, remote_port))

if recieve_first:

remote_buffer = recieve_from(remote_socket)

hexdump(remote_buffer)

remote_buffer = response_handler(remote_buffer)

if len(remote_buffer):

print "Sending %d bytes to localhost" % len(remote_buffer)

while True:

local_buffer = recieve_from(client_socket)

if len(local_buffer):

print "Recieve %d bytes from localhost" % len(local_buffer)

hexdump(local_buffer)

local_buffer = request_handler(local_buffer)

remote_socket.send(local_buffer)

print "Sent to remote"

remote_buffer = recieve_from(remote_socket)

if len(remote_buffer):

print "Recieve %d bytes from remote" % len(remote_buffer)

hexdump(remote_buffer)

remote_buffer = response_handler(remote_buffer)

client_socket.send(remote_buffer)

print "Sent to localhost"

if not len(local_buffer) or not len(remote_buffer):

client_socket.close()

remote_socket.close()

print "No more data"

break

def server_loop(local_host, local_port, remote_host, remote_port, recieve_first):

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

try:

server.bind((local_host, local_port))

except:

print "Failed to listen on local host"

print "Listening on local host"

server.listen(5)

while True:

client_socket, addr = server.accept()

print "Received incomming connection from %s:%d" % (addr[0], addr[1])

proxy_thread = threading.Thread(target=proxy_handler, args=(client_socket, remote_host, remote_port, recieve_first))

proxy_thread.start()

def main():

local_host = sys.argv[1]

local_port = int(sys.argv[2])

remote_host = sys.argv[3]

remote_port = int(sys.argv[4])

recieve_first = sys.argv[5]

if "True" in recieve_first:

recieve_first = True

else:

recieve_first = False

server_loop(local_host, local_port, remote_host, remote_port, recieve_first)

main()