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ATA Gateway Failed to Parse SIEM Syslog Message

Microsoft.AdvancedThreatAnalytics.1_8.Gateway.FailedToParseSyslog (Rule)

Rule to monitor Microsoft ATA 1.8 Gateway - ATA Gateway Failed to Parse SIEM Syslog Message

Knowledge Base article:

Summary

The ATA Gateway failed to parse syslog messages that were forwarded from the SIEM.

Resolutions

Verify that the SIEM is configured to forward the messages in one of the formats that are supported by ATA.

Element properties:

TargetMicrosoft.AdvancedThreatAnalytics.1_8.Gateway
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
RemotableTrue
Alert Message
ATA Gateway Failed to Parse SIEM Syslog Message Alert

ATA Gateway Failed to Parse SIEM Syslog Message
Log File: {0}
Log File Directory: {1}
Log Provider: {2}
Logged Row: {3}

Member Modules:

ID Module Type TypeId RunAs 
ATALogFile DataSource Microsoft.AdvancedThreatAnalytics.LogFileProvider Default
Alert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Microsoft.AdvancedThreatAnalytics.1_8.Gateway.FailedToParseSyslog" Enabled="true" Target="Microsoft.AdvancedThreatAnalytics.1_8.Gateway" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>AvailabilityHealth</Category>

  <DataSources>

    <DataSource ID="ATALogFile" TypeID="Microsoft.AdvancedThreatAnalytics.LogFileProvider">

      <LogFileDirectory>$Target/Property[Type="Microsoft.AdvancedThreatAnalytics.1_8.Gateway"]/InstallationPath$\Logs</LogFileDirectory>

      <LogFilePattern>Microsoft.Tri.Gateway-Errors.log</LogFilePattern>

      <PublisherName>Microsoft.Common.ExtendedException</PublisherName>

      <ErrorStringContains>Failed to parse time generated</ErrorStringContains>

    </DataSource>

  </DataSources>

  <WriteActions>

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

      <Priority>1</Priority>

      <Severity>2</Severity>

      <AlertMessageId>$MPElement[Name="Microsoft.AdvancedThreatAnalytics.1_8.Gateway.FailedToParseSyslog.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/EventData/DataItem/LogFileName$</AlertParameter1>

        <AlertParameter2>$Data/EventData/DataItem/LogFileDirectory$</AlertParameter2>

        <AlertParameter3>$Data/PublisherName$</AlertParameter3>

        <AlertParameter4>$Data/EventDescription$</AlertParameter4>

      </AlertParameters>

      <Suppression>

        <SuppressionValue>$Data/LoggingComputer$</SuppressionValue>

        <SuppressionValue>$Data/EventDescription$</SuppressionValue>

      </Suppression>

    </WriteAction>

  </WriteActions>

</Rule>