etc/rules/vsftpd_rules.xml

   1 <!-- @(#) $Id: ./etc/rules/vsftpd_rules.xml, 2011/09/08 dcid Exp $
   2
   3   -  Official vsftpd rules for OSSEC.
   4   -  Author: Joachim Vorrath <joachim.vorrath@vorrath-net.de>
   5   -  Author: Jorge Augusto Senger <jorge@br10.com.br>
   6   -  Author: Daniel B. Cid
   7   -  License: http://www.ossec.net/en/licensing.html
   8   -->
   9
  10
  11 <group name="syslog,vsftpd,">
  12   <rule id="11400" level="0" noalert="1">
  13     <decoded_as>vsftpd</decoded_as>
  14     <description>Grouping for the vsftpd rules.</description>
  15   </rule>
  16
  17   <rule id="11401" level="3">
  18     <if_sid>11400</if_sid>
  19     <match>CONNECT: Client</match>
  20     <group>connection_attempt</group>
  21     <description>FTP session opened.</description>
  22   </rule>
  23
  24   <rule id="11402" level="3">
  25     <if_sid>11400</if_sid>
  26     <match>OK LOGIN: </match>
  27     <description>FTP Authentication success.</description>
  28     <group>authentication_success,</group>
  29   </rule>
  30
  31   <rule id="11403" level="5">
  32     <if_sid>11400</if_sid>
  33     <match>FAIL LOGIN: </match>
  34     <description>Login failed accessing the FTP server.</description>
  35     <group>authentication_failed,</group>
  36   </rule>
  37
  38   <rule id="11404" level="0">
  39     <if_sid>11400</if_sid>
  40     <match>OK UPLOAD: </match>
  41     <description>FTP server file upload.</description>
  42   </rule>
  43
  44   <rule id="11451" level="10" frequency="6" timeframe="120">
  45     <if_matched_sid>11403</if_matched_sid>
  46     <same_source_ip />
  47     <description>FTP brute force (multiple failed logins).</description>
  48     <group>authentication_failures,</group>
  49   </rule>
  50
  51   <rule id="11452" level="10" frequency="10" timeframe="60">
  52     <if_matched_sid>11401</if_matched_sid>
  53     <same_source_ip />
  54     <description>Multiple FTP connection attempts from </description>
  55     <description>same source IP.</description>
  56     <group>recon,</group>
  57   </rule>
  58
  59 </group> <!-- SYSLOG,VSFTPD -->
  60
  61
  62 <!-- EOF -->