失敗 sudo (SUSE Linux Enterprise Server 9)

Microsoft.ACS.Linux.SLES.9.Sudo.Failed (Rule)

收集呼叫 sudo 密碼錯誤失敗事件的規則

Knowledge Base article:

Element properties:

Member Modules:

Source Code:

<Rule ID="Microsoft.ACS.Linux.SLES.9.Sudo.Failed" Enabled="true" Target="Microsoft.ACS.Linux.SLES.9.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/messages</LogFile>

      <!-- [TYPE] SUSE SUDO False -->

      <!-- [INPUT] Oct 15 11:23:41 scxsles9-01 sudo: a-yataog : 3 incorrect password attempts ; TTY=pts/0 ; PWD=/ ; USER=root ; COMMAND=/usr/bin/tail /var/log/messages -->

      <!-- [INPUT] Nov 30 10:14:16 scxsles9-03b sudo:    jonas : 1 incorrect password attempt ; TTY=pts/0 ; PWD=/home/jonas ; USER=root ; COMMAND=/bin/ls -->

      <!-- [EXPECTED] date="Oct 15 11:23:41"; hostname="scxsles9-01"; user="a-yataog"; clientUser="root"; sessionName="/usr/bin/tail /var/log/messages" -->

      <!-- [EXPECTED] date="Nov 30 10:14:16"; hostname="scxsles9-03b"; user="jonas"; clientUser="root"; sessionName="/bin/ls" -->

      <RegExpFilter>:\s+\S+ : [[:digit:]]+ incorrect password attempt(s)? ; TTY=.* ; USER=\S+ ; COMMAND=.*</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+.*:\s+(?'user'\S+) : \d+ incorrect password attempt(?:s)? ; TTY=.* ; USER=(?'clientUser'\S+) ; COMMAND=(?'sessionName'.*)</RegExp>

      <EventType>0</EventType>

      <EventId>27003</EventId>

      <BackrefDefaults>process="sudo"</BackrefDefaults>

    </WriteAction>

  </WriteActions>

</Rule>