+++ /dev/null
-<!-- @(#) $Id: ./etc/rules/named_rules.xml, 2011/09/08 dcid Exp $
-
- - Example of Named rules for OSSEC.
- -
- - Copyright (C) 2009 Trend Micro Inc.
- - All rights reserved.
- -
- - This program is a free software; you can redistribute it
- - and/or modify it under the terms of the GNU General Public
- - License (version 2) as published by the FSF - Free Software
- - Foundation.
- -
- - License details: http://www.ossec.net/en/licensing.html
- -->
-
-
-<group name="syslog,named,">
- <rule id="12100" level="0">
- <decoded_as>named</decoded_as>
- <description>Grouping of the named rules</description>
- </rule>
-
- <rule id="12101" level="12">
- <if_sid>12100</if_sid>
- <match>dropping source port zero packet from</match>
- <description>Invalid DNS packet. Possibility of attack.</description>
- <group>invalid_access,</group>
- </rule>
-
- <rule id="12102" level="9">
- <if_sid>12100</if_sid>
- <match>denied AXFR from</match>
- <description>Failed attempt to perform a zone transfer.</description>
- <group>access_denied,</group>
- </rule>
-
- <rule id="12103" level="4">
- <if_sid>12100</if_sid>
- <match>denied update from|unapproved update from</match>
- <description>DNS update denied. </description>
- <description>Generally mis-configuration.</description>
- <info type="link">http://seclists.org/incidents/2000/May/217</info>
- <group>client_misconfig,</group>
- </rule>
-
- <rule id="12104" level="4">
- <if_sid>12100</if_sid>
- <match>unable to rename log file</match>
- <description>Log permission misconfiguration in Named.</description>
- <group>system_error,</group>
- </rule>
-
- <rule id="12105" level="4">
- <if_sid>12100</if_sid>
- <match>unexpected RCODE </match>
- <description>Unexpected error while resolving domain.</description>
- </rule>
-
- <rule id="12106" level="4">
- <if_sid>12100</if_sid>
- <match>refused notify from non-master</match>
- <description>DNS configuration error.</description>
- </rule>
-
- <rule id="12107" level="0">
- <if_sid>12100</if_sid>
- <regex>update \S+ denied</regex>
- <description>DNS update using RFC2136 Dynamic protocol.</description>
- </rule>
-
- <rule id="12108" level="5">
- <if_sid>12100</if_sid>
- <match>query (cache) denied|: query (cache)</match>
- <description>Query cache denied (probably config error).</description>
- <info type="link">http://www.reedmedia.net/misc/dns/errors.html</info>
- <group>connection_attempt,</group>
- </rule>
-
- <rule id="12109" level="12">
- <if_sid>12100</if_sid>
- <match>exiting (due to fatal error)</match>
- <description>Named fatal error. DNS service going down.</description>
- <group>service_availability,</group>
- </rule>
-
- <rule id="12110" level="8">
- <regex>^zone \S+ serial number \S+ received from master </regex>
- <regex>\S+ \S ours (\S+)</regex>
- <description>Serial number from master is lower </description>
- <description>than stored.</description>
- <group>system_error,</group>
- </rule>
-
- <rule id="12111" level="8">
- <regex>^transfer of \S+ from \S+ failed while receiving \S+ REFUSED</regex>
- <description>Unable to perform zone transfer.</description>
- <group>system_error,</group>
- </rule>
-
- <rule id="12112" level="4">
- <regex>^zone \S+: expired</regex>
- <description>Zone transfer error.</description>
- </rule>
-
- <rule id="12113" level="0">
- <if_sid>12100</if_sid>
- <match>zone transfer deferred due to quota</match>
- <description>Zone transfer deferred.</description>
- </rule>
-
- <rule id="12114" level="1">
- <if_sid>12100</if_sid>
- <match>bad owner name (check-names)</match>
- <description>Hostname contains characters that check-names does not like.</description>
- </rule>
-
- <rule id="12115" level="0">
- <if_sid>12100</if_sid>
- <match>loaded serial|transferred serial</match>
- <description>Zone transfer.</description>
- </rule>
-
- <rule id="12116" level="1">
- <if_sid>12100</if_sid>
- <match>syntax error near|</match>
- <match>reloading configuration failed: unexpected token</match>
- <description>Syntax error in a named configuration file.</description>
- </rule>
-
-
- <rule id="12117" level="1">
- <if_sid>12100</if_sid>
- <regex>refresh: retry limit for master \S+ exceeded</regex>
- <description>Zone transfer rety limit exceeded</description>
- </rule>
-
- <rule id="12118" level="1">
- <if_sid>12100</if_sid>
- <match>already exists previous definition</match>
- <description>Zone has been duplicated.</description>
- </rule>
-
- <rule id="12119" level="3">
- <if_sid>12100</if_sid>
- <match>starting BIND</match>
- <description>BIND has been started</description>
- </rule>
-
- <rule id="12120" level="1">
- <if_sid>12100</if_sid>
- <match>has no address records</match>
- <description>Missing A or AAAA record</description>
- </rule>
-
- <rule id="12121" level="1">
- <if_sid>12100</if_sid>
- <regex>zone \S+: \(master\) removed</regex>
- <description>Zone has been removed from a master server</description>
- </rule>
-
- <rule id="12122" level="1">
- <if_sid>12100</if_sid>
- <regex>loading from master file \S+ failed: not at top of zone$</regex>
- <description>Origin of zone and owner name of SOA do not match.</description>
- </rule>
-
- <rule id="12123" level="0">
- <if_sid>12100</if_sid>
- <match>already exists previous definition</match>
- <description>Zone has been duplicated</description>
- </rule>
-
- <rule id="12125" level="3">
- <if_sid>12100</if_sid>
- <match>reloading configuration failed: unexpected end of input</match>
- <description>BIND Configuration error.</description>
- </rule>
-
- <rule id="12126" level="0">
- <if_sid>12100</if_sid>
- <regex>zone \S+: \(master\) removed</regex>
- <description>Zone has been removed from a master server</description>
- </rule>
-
- <rule id="12127" level="1">
- <if_sid>12100</if_sid>
- <regex>loading from master file \S+ failed: not at top of zone$</regex>
- <description>Origin of zone and owner name of SOA do not match.</description>
- </rule>
-
- <rule id="12128" level="1">
- <if_sid>12100</if_sid>
- <match>^transfer of|</match>
- <match>AXFR started$</match>
- <description>Zone transfer.</description>
- </rule>
-
- <rule id="12129" level="4">
- <if_sid>12128</if_sid>
- <match>failed to connect: connection refused</match>
- <description>Zone transfer failed, unable to connect to master.</description>
- </rule>
-
- <rule id="12130" level="2">
- <if_sid>12100</if_sid>
- <match>IPv6 interfaces failed</match>
- <description>Could not listen on IPv6 interface.</description>
- </rule>
-
- <rule id="12131" level="2">
- <if_sid>12100</if_sid>
- <match>failed; interface ignored</match>
- <description>Could not bind to an interface.</description>
- </rule>
-
- <rule id="12132" level="0">
- <if_sid>12128</if_sid>
- <match>failed while receiving responses: not authoritative</match>
- <description>Master is not authoritative for zone.</description>
- </rule>
-
- <rule id="12133" level="4">
- <if_sid>12100</if_sid>
- <regex>open: \S+: permission denied$</regex>
- <description>Could not open configuration file, permission denied.</description>
- </rule>
-
- <rule id="12134" level="4">
- <if_sid>12100</if_sid>
- <match>loading configuration: permission denied</match>
- <description>Could not open configuration file, permission denied.</description>
- </rule>
-
- <rule id="12135" level="0">
- <if_sid>12100</if_sid>
- <match>IN SOA -E</match>
- <description>Domain in SOA -E.</description>
- </rule>
-
- <rule id="12136" level="4">
- <if_sid>12128</if_sid>
- <match>failed to connect: host unreachable</match>
- <description>Master appears to be down.</description>
- </rule>
-
- <rule id="12137" level="0">
- <if_sid>12100</if_sid>
- <match>IN AXFR -</match>
- <description>Domain is queried for a zone transferred.</description>
- </rule>
-
- <rule id="12138" level="0">
- <if_sid>12100</if_sid>
- <match> IN A +</match>
- <description>Domain A record found.</description>
- </rule>
-
- <rule id="12139" level="3">
- <if_sid>12100</if_sid>
- <regex>client \S+: bad zone transfer request: \S+: non-authoritative zone \(NOTAUTH\)</regex>
- <description>Bad zone transfer request.</description>
- </rule>
-
- <rule id="12140" level="2">
- <if_sid>12100</if_sid>
- <match>refresh: failure trying master</match>
- <description>Cannot refresh a domain from the master server.</description>
- </rule>
-
- <rule id="12141" level="1">
- <if_sid>12100</if_sid>
- <match>SOA record not at top of zone</match>
- <description>Origin of zone and owner name of SOA do not match.</description>
- </rule>
-
- <rule id="12142" level="0">
- <if_sid>12100</if_sid>
- <match>command channel listening on</match>
- <description>named command channel is listening.</description>
- </rule>
-
- <rule id="12143" level="0">
- <if_sid>12100</if_sid>
- <match>automatic empty zone</match>
- <description>named has created an automatic empty zone.</description>
- </rule>
-
- <rule id="12144" level="9">
- <if_sid>12100</if_sid>
- <match>reloading configuration failed: out of memory</match>
- <description>Server does not have enough memory to reload the configuration.</description>
- </rule>
-
- <rule id="12145" level="1">
- <if_sid>12100</if_sid>
- <regex>zone transfer \S+ denied</regex>
- <description>zone transfer denied</description>
- </rule>
-
- <rule id="12146" level="0">
- <if_sid>12100</if_sid>
- <match>error sending response: host unreachable$</match>
- <description>Cannot send a DNS response.</description>
- </rule>
-
- <rule id="12147" level="0">
- <if_sid>12100</if_sid>
- <regex>update forwarding \.+ denied$</regex>
- <description>Cannot update forwarding domain.</description>
- </rule>
-
- <rule id="12148" level="0">
- <if_sid>12100</if_sid>
- <match>: parsing failed$</match>
- <description>Parsing of a configuration file has failed.</description>
- </rule>
-
- <rule id="12149" level="10" frequency="6" timeframe="120">
- <if_matched_sid>12108</if_matched_sid>
- <same_source_ip />
- <description> Multiple query (cache) failures.</description>
- <group>connection_attempt,</group>
-</rule>
-
-</group> <!-- SYSLOG,NAMED -->
projects / ossec-hids.git / blobdiff