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Successful ssh login (Solaris 11)

Microsoft.ACS.Solaris.11.Ssh.Succeeded (Rule)

Rule to collect events for successful ssh login

Knowledge Base article:

Summary

An ssh command has been detected in the system log files.

Causes

User was granted access to the system remotely. This monitor allows system administrators to track 'ssh' usage.

Resolutions

The description of the alert and/or the output data item contains information on the event encountered. If the activity appears suspicious, please check the associated event details and any other events that happened around the time of this event.

Element properties:

TargetMicrosoft.ACS.Solaris.11.ACSEndPoint
CategoryEventCollection
EnabledFalse
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
EventDS DataSource Microsoft.Unix.SCXLog.Privileged.Datasource Default
WA WriteAction Microsoft.ACS.Unix.SecureEventLogWriter Default

Source Code:

<Rule ID="Microsoft.ACS.Solaris.11.Ssh.Succeeded" Enabled="false" Target="Microsoft.ACS.Solaris.11.ACSEndPoint" Remotable="true">

  <Category>EventCollection</Category>

  <DataSources>

    <DataSource ID="EventDS" TypeID="Unix!Microsoft.Unix.SCXLog.Privileged.Datasource">

      <Host>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/NetworkName$</Host>

      <LogFile>/var/log/authlog</LogFile>

      <!-- [TYPE] Solaris SSH True -->

      <!-- [INPUT] Jan 10 14:50:42 jeffcof-sol11-x86 sshd[19958]: [ID 800047 auth.info] Accepted keyboard-interactive for root from ::1 port 41405 ssh2 -->

      <!-- [INPUT] Jan 11 10:42:52 jeffcof-sol11-x86 sshd[2000]: [ID 800047 auth.info] Accepted publickey for jeffcof from 172.30.168.208 port 40203 ssh2 -->

      <!-- [EXPECTED] date="Jan 10 14:50:42"; hostname="jeffcof-sol11-x86"; process="sshd"; processId="19958"; user="root"; clientHost="::1" -->

      <!-- [EXPECTED] date="Jan 11 10:42:52"; hostname="jeffcof-sol11-x86"; process="sshd"; processId="2000"; user="jeffcof"; clientHost="172.30.168.208" -->

      <RegExpFilter>[[:space:]]+sshd\[[[:digit:]]+\]: \[.*\] Accepted [^[:space:]]+ for [^[:space:]]+ from [^[:space:]]+</RegExpFilter>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WA" TypeID="ACS.Unix!Microsoft.ACS.Unix.SecureEventLogWriter">

      <RegExp>(?'date'\S+\s+\d+\s+\d+:\d+:\d+)\s+(?:\S+:)?(?'hostname'\S+)\s+(?'process'sshd)\[(?'processId'\d+)\]: \[.*\] Accepted \S+ for (?'user'\S+) from (?'clientHost'\S+)</RegExp>

      <EventType>1</EventType>

      <EventId>27002</EventId>

    </WriteAction>

  </WriteActions>

</Rule>