etc/rules/vpn_concentrator_rules.xml

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