etc/rules/vsftpd_rules.xml

   1 <!-- @(#) $Id$
   2   -  Official vsftpd rules for OSSEC.
   3   -  Author: Joachim Vorrath <joachim.vorrath@vorrath-net.de>
   4   -  Author: Jorge Augusto Senger <jorge@br10.com.br>
   5   -  Author: Daniel B. Cid
   6   -  License: http://www.ossec.net/en/licensing.html
   7   -->
   8
   9
  10 <group name="syslog,vsftpd,">
  11   <rule id="11400" level="0" noalert="1">
  12     <decoded_as>vsftpd</decoded_as>
  13     <description>Grouping for the vsftpd rules.</description>
  14   </rule>
  15
  16   <rule id="11401" level="3">
  17     <if_sid>11400</if_sid>
  18     <match>CONNECT: Client</match>
  19     <group>connection_attempt</group>
  20     <description>FTP session opened.</description>
  21   </rule>
  22
  23   <rule id="11402" level="3">
  24     <if_sid>11400</if_sid>
  25     <match>OK LOGIN: </match>
  26     <description>FTP Authentication success.</description>
  27     <group>authentication_success,</group>
  28   </rule>
  29
  30   <rule id="11403" level="5">
  31     <if_sid>11400</if_sid>
  32     <match>FAIL LOGIN: </match>
  33     <description>Login failed accessing the FTP server.</description>
  34     <group>authentication_failed,</group>
  35   </rule>
  36
  37   <rule id="11404" level="0">
  38     <if_sid>11400</if_sid>
  39     <match>OK UPLOAD: </match>
  40     <description>FTP server file upload.</description>
  41   </rule>
  42
  43   <rule id="11451" level="10" frequency="6" timeframe="120">
  44     <if_matched_sid>11403</if_matched_sid>
  45     <same_source_ip />
  46     <description>FTP brute force (multiple failed logins).</description>
  47     <group>authentication_failures,</group>
  48   </rule>
  49
  50   <rule id="11452" level="10" frequency="10" timeframe="60">
  51     <if_matched_sid>11401</if_matched_sid>
  52     <same_source_ip />
  53     <description>Multiple FTP connection attempts from </description>
  54     <description>same source IP.</description>
  55     <group>recon,</group>
  56   </rule>
  57
  58 </group> <!-- SYSLOG,VSFTPD -->
  59
  60
  61 <!-- EOF -->