Microsoft Sentinel Analytic Rules
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Darktrace AI Analyst

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Idffa2977f-3077-4bba-b1bf-f3417699cbb0
RulenameDarktrace AI Analyst
DescriptionThis rule creates Microsoft Sentinel Incidents based on Darktrace AI Analyst Incidents, fetched every 5 minutes.
SeverityHigh
Required data connectorsDarktraceRESTConnector
KindNRT
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Darktrace/Analytic Rules/CreateIncidentFromAIAnalystIncident.yaml
Version1.1.0
Arm templateffa2977f-3077-4bba-b1bf-f3417699cbb0.json
Deploy To Azure
darktrace_model_alerts_CL 
| where dtProduct_s =="AI Analyst"
| project-rename  EventStartTime=startTime_s, EventEndTime = endTime_s, NetworkRuleName=title_s, DtCurrentGroup=externalId_g, ThreatCategory=dtProduct_s, ThreatRiskLevel=score_d, SrcHostname=hostname_s, SrcIpAddr=deviceIP_s, DtURL=url_s, DtSummary=summary_s, DtGroupScore=groupScore_d, DtGroupCategory=groupCategory_s, DtSrcDeviceName=bestDeviceName_s, DtIndentifier=identifier_s, ActivityID=activityId_s, DtGroupingID=groupingId_s, DtGroupByActivity=groupByActivity_b, DtSummaryFirstSentence=summaryFirstSentence_s, DtNewEvent=newEvent_b, DtCGLegacy=currentGroup_s, DtGroupPreviousGroups=groupPreviousGroups_s, DtTime=time_s, DtSeverity=Severity, DtLongitude=longitude_d, DtLatitude=latitude_d  
| extend EventVendor = "Darktrace", EventProduct = "Darktrace DETECT", DtSentinelCategory=DtGroupCategory
| extend DtSentinelCategory = case (DtGroupCategory == "compliance", "Low", 
                                    DtGroupCategory == "suspicious", "Medium",
                                    "High") //compliance -> low, suspcious -> medium, critical -> high
query: |
  darktrace_model_alerts_CL 
  | where dtProduct_s =="AI Analyst"
  | project-rename  EventStartTime=startTime_s, EventEndTime = endTime_s, NetworkRuleName=title_s, DtCurrentGroup=externalId_g, ThreatCategory=dtProduct_s, ThreatRiskLevel=score_d, SrcHostname=hostname_s, SrcIpAddr=deviceIP_s, DtURL=url_s, DtSummary=summary_s, DtGroupScore=groupScore_d, DtGroupCategory=groupCategory_s, DtSrcDeviceName=bestDeviceName_s, DtIndentifier=identifier_s, ActivityID=activityId_s, DtGroupingID=groupingId_s, DtGroupByActivity=groupByActivity_b, DtSummaryFirstSentence=summaryFirstSentence_s, DtNewEvent=newEvent_b, DtCGLegacy=currentGroup_s, DtGroupPreviousGroups=groupPreviousGroups_s, DtTime=time_s, DtSeverity=Severity, DtLongitude=longitude_d, DtLatitude=latitude_d  
  | extend EventVendor = "Darktrace", EventProduct = "Darktrace DETECT", DtSentinelCategory=DtGroupCategory
  | extend DtSentinelCategory = case (DtGroupCategory == "compliance", "Low", 
                                      DtGroupCategory == "suspicious", "Medium",
                                      "High") //compliance -> low, suspcious -> medium, critical -> high  
severity: High
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 5m
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: SrcHostname
    identifier: HostName
- entityType: IP
  fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
queryPeriod: 5m
version: 1.1.0
alertDetailsOverride:
  alertSeverityColumnName: 
  alertDisplayNameFormat: 'Darktrace: {{ThreatRiskLevel}} - {{NetworkRuleName}}'
  alertDescriptionFormat: '{{DtSummary}}'
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: DtURL
  - alertProperty: ProviderName
    value: EventVendor
  - alertProperty: ProductName
    value: EventProduct
  - alertProperty: ProductComponentName
    value: ThreatCategory
  - alertProperty: Severity
    value: DtSentinelCategory
  alertTacticsColumnName: 
relevantTechniques: []
id: ffa2977f-3077-4bba-b1bf-f3417699cbb0
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Darktrace/Analytic Rules/CreateIncidentFromAIAnalystIncident.yaml
description: |
    'This rule creates Microsoft Sentinel Incidents based on Darktrace AI Analyst Incidents, fetched every 5 minutes.'
triggerOperator: gt
tactics: []
kind: NRT
customDetails:
  DtGroupScore: DtGroupScore
  DtSeverity: DtSeverity
  ThreatRiskLevel: ThreatRiskLevel
  NetworkRuleName: NetworkRuleName
  DtCurrentGroup: DtCurrentGroup
  EventStartTime: EventStartTime
  DtNewEvent: DtNewEvent
  DtSummary: DtSummary
  DtSrcDeviceName: DtSrcDeviceName
  DtGroupCategory: DtGroupCategory
  EventEndTime: EventEndTime
  DtSentinelCategory: DtSentinelCategory
name: Darktrace AI Analyst
requiredDataConnectors:
- connectorId: DarktraceRESTConnector
  dataTypes:
  - darktrace_model_alerts_CL