Next Topic

Previous Topic

Book Contents

Sample Rule for sshd

<Traverse>

<message-handler>

<ruleset type="file" name="*">

<rule>

<description>SSH: Break-In Attempt as ROOT</description> <pattern>:\d+\s+(\S+)\s+(\S+)\[\d+\]:\s+.*\s+root\s+from\s+(.*)\s+ssh2</pattern>

<action>accept</action>

<mapping>

<field name="device_name" match="1"/>

<field name="process_name" match="2"/>

<field name="remote_host" match="3"/>

</mapping>

<severity>critical</severity>

<show-message>true</show-message>

<auto-clear>1800</auto-clear>

<transform>${process_name}: break-in attempt as "root" from ${remote_host}</transform>

</rule>

</ruleset>

</message-handler>

</Traverse>