+++ /dev/null
-<!-- @(#) $Id: ./etc/rules/telnetd_rules.xml, 2011/09/08 dcid Exp $
-
- - Telnetd rules for OSSEC.
- - Author: Ahmet Ozturk
- - License: http://www.ossec.net/en/licensing.html
- -->
-
-
-<group name="syslog,telnetd">
- <rule id="5600" level="0" noalert="1">
- <match>telnetd</match>
- <description>Grouping for the telnetd rules</description>
- </rule>
-
- <rule id="5601" level="5">
- <if_sid>5600</if_sid>
- <match>refused connect from </match>
- <description>Connection refused by TCP Wrappers.</description>
- </rule>
-
- <rule id="5602" level="3">
- <if_sid>5600</if_sid>
- <match>: connect from </match>
- <description>Remote host established a telnet connection.</description>
- </rule>
-
- <rule id="5603" level="5" timeframe="1">
- <match>ttloop: peer died:|ttloop: read:</match>
- <if_matched_sid>5602</if_matched_sid>
- <description>Remote host invalid connection.</description>
- </rule>
-
- <rule id="5604" level="5">
- <match>warning: can't verify hostname:</match>
- <description>Reverse lookup error (bad hostname config).</description>
- </rule>
-
- <rule id="5631" level="10" frequency="6" timeframe="120">
- <if_matched_sid>5602</if_matched_sid>
- <same_source_ip />
- <description>Multiple connection attempts from same source </description>
- <description>(possible scan).</description>
- </rule>
-
-</group> <!-- SYSLOG,TELNETD -->