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變更密碼失敗 (SUSE Linux Enterprise Server 11)

Microsoft.ACS.Linux.SLES.11.Password.Change.Failed (Rule)

收集變更密碼失敗事件的規則

Knowledge Base article:

摘要

在系統記錄檔中偵測到執行不成功的密碼變更作業。

原因

在系統上變更密碼失敗。此監視可讓系統管理員追蹤密碼的變更。

解決方式

警示及/或輸出資料項目的描述包含所發生事件的資訊。如果此活動似乎有問題，請檢查相關聯的事件詳細資訊，以及與此事件同時間發生的其他任何事件。

Element properties:

TargetMicrosoft.ACS.Linux.SLES.11.ACSEndPoint
CategoryEventCollection
EnabledTrue
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.Linux.SLES.11.Password.Change.Failed" Enabled="true" Target="Microsoft.ACS.Linux.SLES.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/messages</LogFile>

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

      <!-- [INPUT] Oct 19 09:58:10 scxcr-sles11-03 passwd[5588]: User jeffcof: Authentication failure -->

      <!-- [EXPECTED] date="Oct 19 09:58:10"; hostname="scxcr-sles11-03"; process="passwd"; processId="5588"; clientUser="jeffcof" -->

      <RegExpFilter>\s+passwd\[[[:digit:]]+\]: User \S+: Authentication failure</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'passwd)\[(?'processId'\d+)\]: User (?'clientUser'\S+): Authentication failure</RegExp>

      <EventType>0</EventType>

      <EventId>27003</EventId>

      <BackrefOverrides>sessionName="Password not changed"</BackrefOverrides>

    </WriteAction>

  </WriteActions>

</Rule>