--- /dev/null
+<!-- @(#) $Id: ./etc/rules/vsftpd_rules.xml, 2011/09/08 dcid Exp $
+
+ - Official vsftpd rules for OSSEC.
+ - Author: Joachim Vorrath <joachim.vorrath@vorrath-net.de>
+ - Author: Jorge Augusto Senger <jorge@br10.com.br>
+ - Author: Daniel B. Cid
+ - License: http://www.ossec.net/en/licensing.html
+ -->
+
+
+<group name="syslog,vsftpd,">
+ <rule id="11400" level="0" noalert="1">
+ <decoded_as>vsftpd</decoded_as>
+ <description>Grouping for the vsftpd rules.</description>
+ </rule>
+
+ <rule id="11401" level="3">
+ <if_sid>11400</if_sid>
+ <match>CONNECT: Client</match>
+ <group>connection_attempt</group>
+ <description>FTP session opened.</description>
+ </rule>
+
+ <rule id="11402" level="3">
+ <if_sid>11400</if_sid>
+ <match>OK LOGIN: </match>
+ <description>FTP Authentication success.</description>
+ <group>authentication_success,</group>
+ </rule>
+
+ <rule id="11403" level="5">
+ <if_sid>11400</if_sid>
+ <match>FAIL LOGIN: </match>
+ <description>Login failed accessing the FTP server.</description>
+ <group>authentication_failed,</group>
+ </rule>
+
+ <rule id="11404" level="0">
+ <if_sid>11400</if_sid>
+ <match>OK UPLOAD: </match>
+ <description>FTP server file upload.</description>
+ </rule>
+
+ <rule id="11451" level="10" frequency="6" timeframe="120">
+ <if_matched_sid>11403</if_matched_sid>
+ <same_source_ip />
+ <description>FTP brute force (multiple failed logins).</description>
+ <group>authentication_failures,</group>
+ </rule>
+
+ <rule id="11452" level="10" frequency="10" timeframe="60">
+ <if_matched_sid>11401</if_matched_sid>
+ <same_source_ip />
+ <description>Multiple FTP connection attempts from </description>
+ <description>same source IP.</description>
+ <group>recon,</group>
+ </rule>
+
+</group> <!-- SYSLOG,VSFTPD -->
+
+
+<!-- EOF -->