Failed ssh login (AIX 5.3)

Microsoft.ACS.AIX.5.3.Ssh.Failed (Rule)

Rule to collect events for failed ssh login

Element properties:

Member Modules:

Source Code:

<Rule ID="Microsoft.ACS.AIX.5.3.Ssh.Failed" Enabled="false" Target="Microsoft.ACS.AIX.5.3.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/syslog.log</LogFile>

      <!-- [TYPE] AIX SSH False -->

      <!-- [INPUT] Oct 30 15:28:00 scxaix3-1 auth|security:info sshd[241816]: Failed password for scxuser from 172.30.182.212 port 41908 ssh2 -->

      <!-- [EXPECTED] date="Oct 30 15:28:00"; hostname="scxaix3-1"; process="sshd"; processId="241816"; user="scxuser"; clientHost="172.30.182.212" -->

      <!-- [INPUT] Oct 30 15:28:07 scxaix3-1 auth|security:info sshd[241818]: Failed password for root from 172.30.182.212 port 41909 ssh2 -->

      <!-- [EXPECTED] date="Oct 30 15:28:07"; hostname="scxaix3-1"; process="sshd"; processId="241818"; user="root"; clientHost="172.30.182.212" -->

      <!-- [MISS] Oct 30 15:22:27 scxaix3-1 auth|security:info sshd[483338]: Failed none for invalid user ccrammo from 172.30.182.212 port 57623 ssh2 -->

      <RegExpFilter>sshd\[[[:digit:]]+\]:[[:space:]]*Failed password 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+).+ (?'process'sshd)\[(?'processId'\d+)\]:\s*Failed password for (?'user'\S+)+ from (?'clientHost'\S+)</RegExp>

      <EventType>0</EventType>

      <EventId>27003</EventId>

    </WriteAction>

  </WriteActions>

</Rule>