{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/88f8fbc0-345d-458e-85f6-f73921d5ef50')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/88f8fbc0-345d-458e-85f6-f73921d5ef50')]",
      "properties": {
        "alertRuleTemplateName": "88f8fbc0-345d-458e-85f6-f73921d5ef50",
        "customDetails": null,
        "description": "This query identifies someone that performs a backup of they CA key.\n",
        "displayName": "Certified Pre-Owned - backup of CA private key - rule 2",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "Computer",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/FalconFriday/Analytic%20Rules/CertifiedPreOwned-backup-key-2.yaml",
        "query": "SecurityEvent\n// Fill in the machine name of your CA.\n| where EventID == 5059 and Computer contains \"<YOUR CA MACHINE NAME>\"\n| where EventData contains \"2464\"\n| extend EventData=parse_xml(EventData)\n| mv-apply d=EventData.EventData.Data on\n(\n    where d[\"@Name\"]==\"KeyName\"\n    | project KeyName=tostring(d[\"#text\"])\n)\n| mv-apply d=EventData.EventData.Data on\n(\n    where d[\"@Name\"]==\"SubjectUserName\"\n    | project SubjectUserName=tostring(d[\"#text\"])\n)\n| parse Account with \"<YOUR DOMAIN NAME>\\\\\" CleanAccount \"$\"\n| where not(Computer startswith CleanAccount)\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1036"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}
