{
  "$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/b97e118c-b7fa-42a6-84de-2e13443fbb8f')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b97e118c-b7fa-42a6-84de-2e13443fbb8f')]",
      "properties": {
        "alertRuleTemplateName": "b97e118c-b7fa-42a6-84de-2e13443fbb8f",
        "customDetails": null,
        "description": "'Identifies compromises and attacks and detect malicious activities in one's domain entity from TI.'\n",
        "displayName": "Preview - TI map Domain entity to Cloud App Events",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "DNS",
            "fieldMappings": [
              {
                "columnName": "DomainName",
                "identifier": "DomainName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPAddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Threat%20Intelligence/Analytic%20Rules/DomainEntity_CloudAppEvents.yaml",
        "query": "let dt_lookBack = 1h;\nlet ioc_lookBack = 14d; \nlet list_tlds =\n  ThreatIntelligenceIndicator\n    | where TimeGenerated >= ago(ioc_lookBack)\n    | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId\n    | where Active == true and ExpirationDateTime > now()\n    | where isnotempty(DomainName)\n    | extend DomainName = tolower(DomainName)\n    | extend parts = split(DomainName, '.')\n    | extend tld = parts[(array_length(parts) - 1)]\n    | summarize count() by tostring(tld)\n    | summarize make_set(tld);\nlet Domain_Indicators =\n  ThreatIntelligenceIndicator\n    | where TimeGenerated >= ago(ioc_lookBack)\n    | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId\n    | where Active == true and ExpirationDateTime > now()\n    | extend TI_DomainEntity = DomainName\n    | where isnotempty(TI_DomainEntity);\n  Domain_Indicators\n    | join kind=innerunique (\n  CloudAppEvents\n    | extend IngestionTime = ingestion_time()\n    | where IngestionTime > ago(dt_lookBack)\n    | extend PAUrl = columnifexists(\"RequestURL\", \"None\")\n    | extend Domain = trim('\"', tostring(parseurl(PAUrl).Host))\n    | extend Domain = tolower(Domain)\n    | extend parts = split(Domain, '.')\n    | extend tld = parts[(array_length(parts) - 1)]\n    | extend CloudAppEvents_TimeGenerated = TimeGenerated) on $left.TI_DomainEntity == $right.Domain\n    | where CloudAppEvents_TimeGenerated < ExpirationDateTime\n    | summarize CloudAppEvents_TimeGenerated = argmax(CloudAppEvents_TimeGenerated, *) by IndicatorId\n    | extend Description = max_CloudAppEvents_TimeGenerated_Description, ActivityGroupNames = max_CloudAppEvents_TimeGenerated_ActivityGroupNames, ThreatType = max_CloudAppEvents_TimeGenerated_ThreatType, ExpirationDateTime = max_CloudAppEvents_TimeGenerated_ExpirationDateTime, ConfidenceScore = max_CloudAppEvents_TimeGenerated_ConfidenceScore, DomainName = max_CloudAppEvents_TimeGenerated_DomainName, ProviderName = max_CloudAppEvents_TimeGenerated_IndicatorProvider, AlertSeverity = max_CloudAppEvents_TimeGenerated_ThreatSeverity, IPAddress = max_CloudAppEvents_TimeGenerated_IPAddress\n    | project CloudAppEvents_TimeGenerated, Description, ActivityGroupNames, IndicatorId, ThreatType, ExpirationDateTime, ConfidenceScore, DomainName, ProviderName, AlertSeverity, IPAddress\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl"
        ],
        "techniques": [
          "T1071"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}
