etc/rules/vpn_concentrator_rules.xml

   1 <!-- @(#) $Id: ./etc/rules/vpn_concentrator_rules.xml, 2011/09/08 dcid Exp $
   2
   3   -
   4   -  Official Cisco VPN Concentrator rules for OSSEC.
   5   -
   6   -  Copyright (C) 2009 Trend Micro Inc.
   7   -  All rights reserved.
   8   -
   9   -  This program is a free software; you can redistribute it
  10   -  and/or modify it under the terms of the GNU General Public
  11   -  License (version 2) as published by the FSF - Free Software
  12   -  Foundation.
  13   -
  14   -  License details: http://www.ossec.net/en/licensing.html
  15   -->
  16
  17
  18 <!-- For more info:
  19   - http://www.ossec.net/wiki/index.php/Cisco_VPN_Concentrator
  20   -->
  21
  22
  23 <group name="syslog,cisco_vpn,">
  24   <rule id="14200" level="0">
  25     <decoded_as>cisco-vpn-concentrator</decoded_as>
  26     <description>Grouping of Cisco VPN concentrator rules</description>
  27   </rule>
  28
  29   <rule id="14201" level="3">
  30     <if_sid>14200</if_sid>
  31     <id>^IKE/52$</id>
  32     <description>VPN authentication successful.</description>
  33     <group>authentication_success,</group>
  34   </rule>
  35
  36   <rule id="14202" level="5">
  37     <if_sid>14200</if_sid>
  38     <id>^AUTH/5$|^AUTH/9$|^IKE/167$|^PPP/9$|^SSH/33$|^PSH/23$</id>
  39     <description>VPN authentication failed.</description>
  40     <group>authentication_failed,</group>
  41   </rule>
  42
  43   <rule id="14203" level="4">
  44     <if_sid>14200</if_sid>
  45     <id>^HTTP/47$|^SSH/16$</id>
  46     <options>alert_by_email</options>
  47     <description>VPN Admin authentication successful.</description>
  48     <group>authentication_success,</group>
  49   </rule>
  50
  51   <rule id="14251" level="10" frequency="8" timeframe="240">
  52     <if_matched_sid>14202</if_matched_sid>
  53     <same_source_ip />
  54     <description>Multiple VPN authentication failures.</description>
  55     <group>authentication_failures,</group>
  56   </rule>
  57 </group> <!-- SYSLOG,vpn_concentrator -->
  58
  59
  60 <!-- EOF -->