网络攻防之——Python实现ARP扫描

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代码如下

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#!/usr/bin/env python
from scapy.all import *
import optparse
from threading import *

def sweep(packet):
	try:
		reply = srp1(packet,timeout = 1,verbose = 0,iface='eth0')
		print 'IP:' + reply.psrc + '	MAC:' + reply.hwsrc
			
	except:
		pass
			
			
def main():
		
	parser = optparse.OptionParser('usage%prog'+'-H <target host segment/eg:(192.168.1.)>')
	parser.add_option('-H',dest='tgtHost',type='string',help='specify target host segment/eg:(192.168.1.)')
	(options,args) = parser.parse_args()
	host = options.tgtHost
	if host == None:
		print parser.usage
		exit(0)
				
	eth = Ether()
	eth.dst = 'ff:ff:ff:ff:ff:ff'
	eth.type = 0x0806
	arp = ARP()
	
	for n in range(1,254):
		arp.pdst = host + str(n)
		packet = eth/arp
		t = Thread(target = sweep,args = (packet))
		t.start()
					
					
if __name__ == '__main__':
	main()