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SSH Success Alert Rule

Microsoft.HPUX.11iv3.LogFile.Syslog.SSHAuth.PAM.Root.Success.Alert (Rule)

Alert rule for successful SSH as root messages.

Knowledge Base article:

Summary

An SSH authentication as root was detected in the system log files.

Causes

Users may have been granted access to privileged accounts. This monitor allows system administrators to track direct logins as root user.

Resolutions

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

Element properties:

TargetMicrosoft.HPUX.11iv3.Computer
CategoryEventCollection
EnabledTrue
Alert GenerateTrue
Alert SeverityInformation
Alert PriorityNormal
RemotableTrue
Alert Message
Successful SSH as Root detected
{0}

Member Modules:

ID Module Type TypeId RunAs 
EventDS DataSource Microsoft.Unix.SCXLog.Datasource Default
GenerateAlert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Microsoft.HPUX.11iv3.LogFile.Syslog.SSHAuth.PAM.Root.Success.Alert" Target="Microsoft.HPUX.11iv3.Computer" Enabled="true" Remotable="true">

  <Category>EventCollection</Category>

  <DataSources>

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

    <!-- [INPUT] Nov  9 14:36:38 scxhpi1 sshd[19262]: Accepted keyboard-interactive/pam for root from 10.195.172.48 port 55428 ssh2 -->

    <!-- [INPUT] Nov  9 13:45:32 6E:scxhpr2 sshd[2789]: Accepted publickey for root from 172.30.182.25 port 58369 ssh2 -->

    <!-- [INPUT-MISS] Nov  9 14:35:50 scxhpi1 sshd[19207]: Accepted publickey for jonas from 172.30.182.25 port 6545 ssh2 -->

    <!-- [INPUT-MISS] Nov  9 13:46:58 6E:scxhpr2 sshd[2839]: Accepted keyboard-interactive/pam for jonas from 10.195.172.49 port 57023 ssh2 -->

    <!-- [INPUT-MISS] Nov  9 13:45:32 6E:scxhpr2 sshd[2789]: Accepted publickey for jonas from 172.30.182.25 port 58369 ssh2 -->

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

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

      <LogFile>/var/adm/syslog/syslog.log</LogFile>

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

      <IndividualAlerts>false</IndividualAlerts>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="GenerateAlert" TypeID="SystemHealth!System.Health.GenerateAlert">

      <Priority>1</Priority>

      <Severity>0</Severity>

      <AlertMessageId>$MPElement[Name="Microsoft.HPUX.11iv3.LogFile.Syslog.SSHAuth.PAM.Root.Success.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/EventDescription$</AlertParameter1>

      </AlertParameters>

      <Suppression>

        <SuppressionValue/>

      </Suppression>

    </WriteAction>

  </WriteActions>

</Rule>