GTI - High and Critical Priority Alerts | Microsoft Sentinel Analytic Rules

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Id	b2c3d4e5-f6a7-8901-bcde-f12345678902
Rulename	GTI - High and Critical Priority Alerts
Description	Triggers an incident whenever a GTI Relevance System Alert with priority level HIGH or CRITICAL is ingested. These alerts indicate threats that Google Threat Intelligence has assessed as requiring immediate attention based on relevance, severity, and potential business impact. Each unique Alert ID is grouped into a single incident.
Severity	High
Tactics	InitialAccess Impact CredentialAccess Exfiltration
Techniques	T1566 T1078 T1552 T1486 T1567
Required data connectors	GoogleThreatIntelligenceRelevanceSystemAlertsAPI
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Google%20Threat%20Intelligence/Analytic%20Rules/RelevanceSystemAlerts/GTI_HighCriticalPriorityAlerts.yaml
Version	1.0.0
Arm template	b2c3d4e5-f6a7-8901-bcde-f12345678902.json

KQL

GTIRelevanceSystemAlerts
| where PriorityLevel in ("HIGH", "CRITICAL")
| extend
    DetailSeverity = coalesce(DataLeakSeverity, InsiderThreatSeverity, InitialAccessBrokerSeverity, "")
| project
    TimeGenerated,
    AlertId,
    AlertName          = DisplayName,
    AlertState         = State,
    PriorityLevel,
    PriorityReasoning,
    SeverityLevel,
    SeverityConfidence,
    DetailType,
    DetailSeverity,
    RelevanceLevel,
    FindingCount,
    AiSummary,
    AuditCreateTime,
    AuditUpdateTime

YAML

incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: P5D
    reopenClosedIncident: false
    groupByCustomDetails:
    - AlertId
    matchingMethod: Selected
    enabled: true
  createIncident: true
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Google%20Threat%20Intelligence/Analytic%20Rules/RelevanceSystemAlerts/GTI_HighCriticalPriorityAlerts.yaml
triggerThreshold: 0
id: b2c3d4e5-f6a7-8901-bcde-f12345678902
kind: Scheduled
relevantTechniques:
- T1566
- T1078
- T1552
- T1486
- T1567
version: 1.0.0
tactics:
- InitialAccess
- Impact
- CredentialAccess
- Exfiltration
queryPeriod: 5m
queryFrequency: 5m
alertDetailsOverride:
  alertDescriptionFormat: |
    Priority: {{PriorityLevel}}

    Priority Reasoning: {{PriorityReasoning}}

    Summary: {{AiSummary}}
  alertDisplayNameFormat: 'GTI High/Critical Priority Alert: {{AlertName}}'
severity: High
name: GTI - High and Critical Priority Alerts
customDetails:
  AlertState: AlertState
  PriorityLevel: PriorityLevel
  FindingCount: FindingCount
  SeverityLevel: SeverityLevel
  AlertId: AlertId
  DetailType: DetailType
requiredDataConnectors:
- connectorId: GoogleThreatIntelligenceRelevanceSystemAlertsAPI
  dataTypes:
  - RelevanceSystemAlerts_CL
description: |
  Triggers an incident whenever a GTI Relevance System Alert with priority level HIGH or CRITICAL
  is ingested. These alerts indicate threats that Google Threat Intelligence has assessed as requiring
  immediate attention based on relevance, severity, and potential business impact.
  Each unique Alert ID is grouped into a single incident.
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available
query: |
  GTIRelevanceSystemAlerts
  | where PriorityLevel in ("HIGH", "CRITICAL")
  | extend
      DetailSeverity = coalesce(DataLeakSeverity, InsiderThreatSeverity, InitialAccessBrokerSeverity, "")
  | project
      TimeGenerated,
      AlertId,
      AlertName          = DisplayName,
      AlertState         = State,
      PriorityLevel,
      PriorityReasoning,
      SeverityLevel,
      SeverityConfidence,
      DetailType,
      DetailSeverity,
      RelevanceLevel,
      FindingCount,
      AiSummary,
      AuditCreateTime,
      AuditUpdateTime

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/b2c3d4e5-f6a7-8901-bcde-f12345678902')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b2c3d4e5-f6a7-8901-bcde-f12345678902')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Priority: {{PriorityLevel}}\n\nPriority Reasoning: {{PriorityReasoning}}\n\nSummary: {{AiSummary}}\n",
          "alertDisplayNameFormat": "GTI High/Critical Priority Alert: {{AlertName}}"
        },
        "alertRuleTemplateName": "b2c3d4e5-f6a7-8901-bcde-f12345678902",
        "customDetails": {
          "AlertId": "AlertId",
          "AlertState": "AlertState",
          "DetailType": "DetailType",
          "FindingCount": "FindingCount",
          "PriorityLevel": "PriorityLevel",
          "SeverityLevel": "SeverityLevel"
        },
        "description": "Triggers an incident whenever a GTI Relevance System Alert with priority level HIGH or CRITICAL\nis ingested. These alerts indicate threats that Google Threat Intelligence has assessed as requiring\nimmediate attention based on relevance, severity, and potential business impact.\nEach unique Alert ID is grouped into a single incident.\n",
        "displayName": "GTI - High and Critical Priority Alerts",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByCustomDetails": [
              "AlertId"
            ],
            "lookbackDuration": "P5D",
            "matchingMethod": "Selected",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Google%20Threat%20Intelligence/Analytic%20Rules/RelevanceSystemAlerts/GTI_HighCriticalPriorityAlerts.yaml",
        "query": "GTIRelevanceSystemAlerts\n| where PriorityLevel in (\"HIGH\", \"CRITICAL\")\n| extend\n    DetailSeverity = coalesce(DataLeakSeverity, InsiderThreatSeverity, InitialAccessBrokerSeverity, \"\")\n| project\n    TimeGenerated,\n    AlertId,\n    AlertName          = DisplayName,\n    AlertState         = State,\n    PriorityLevel,\n    PriorityReasoning,\n    SeverityLevel,\n    SeverityConfidence,\n    DetailType,\n    DetailSeverity,\n    RelevanceLevel,\n    FindingCount,\n    AiSummary,\n    AuditCreateTime,\n    AuditUpdateTime\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "Exfiltration",
          "Impact",
          "InitialAccess"
        ],
        "techniques": [
          "T1078",
          "T1486",
          "T1552",
          "T1566",
          "T1567"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}