{
  "$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/1da0cf44-c927-4b6f-9b43-91871b2391b3')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/1da0cf44-c927-4b6f-9b43-91871b2391b3')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "{{ObjectTier}} {{ObjectName}} was {{AttributeValue}}.",
          "alertDisplayNameFormat": "(TM004.1) A {{ObjectTier}} {{ObjectClass}} was {{AttributeValue}}"
        },
        "alertRuleTemplateName": "1da0cf44-c927-4b6f-9b43-91871b2391b3",
        "customDetails": {
          "Account": "Account",
          "ActivityType": "ActivityType",
          "AttributeValue": "AttributeValue",
          "Channel": "Channel",
          "Computer": "Computer",
          "Domain": "Domain",
          "EventData": "EventData",
          "EventID": "EventID",
          "ObjectClass": "ObjectClass",
          "ObjectName": "ObjectName",
          "ObjectTier": "ObjectTier"
        },
        "description": "A Tier Model object has been modified to Enable, Disable, or Unlock of a Tier Level Object.\n",
        "displayName": "PROD (TM004.1) - OBJECT - Enabled, Disabled, Unlocked, or Password Reset of a Tier Level Object",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "ObjectName",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "Computer",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Account",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft%20Active%20Directory%20Tier%20Model/Analytic%20Rules/TM004_OBJECTEnabledDisabledUnlockedOrPasswordResetOfATierLevelObje.yaml",
        "query": "SecurityEvent \n| where EventID == 5136 \n   and (EventData matches regex @\"(?i)OU=Domain Controllers\"\n      or EventData matches regex @\"(?i)OU=Tier 0 Accounts\" \n      or EventData matches regex @\"(?i)OU=Tier 1 Accounts\" \n      or EventData matches regex @\"(?i)OU=Tier 2 Accounts\"\n      or EventData matches regex @\"(?i)OU=Tier 0 Service Accounts\" \n      or EventData matches regex @\"(?i)OU=Tier 1 Service Accounts\" \n      or EventData matches regex @\"(?i)OU=Tier 2 Service Accounts\"\n      or EventData matches regex @\"(?i)OU=Tier 0 PAW\"\n      or EventData matches regex @\"(?i)OU=Tier 1 PAW\"\n      or EventData matches regex @\"(?i)OU=Tier 2 PAW\"\n      or EventData matches regex @\"(?i)OU=Tier 0 Member Servers\"\n      or EventData matches regex @\"(?i)OU=Tier 1 Member Servers\")\n   and (EventData has 'AttributeValue\">512'\n      or EventData has 'AttributeLDAPDisplayName\">userAccountControl'\n      or EventData has 'AttributeLDAPDisplayName\">lockoutTime'\n      or EventData has 'AttributeLDAPDisplayName\">pwdLastSet')\n   and (EventData has 'AttributeValue\">512'\n      or EventData has 'AttributeValue\">514'\n      or EventData has 'AttributeValue\">0'\n      or EventData has 'AttributeValue\">4130'\n      or EventData has 'AttributeValue\">4128')\n   and EventData has 'OperationType\">%%14674'\n| extend ObjectName_e = extract(\"<Data Name=\\\"ObjectDN\\\">([^<]+)</Data>\", 1, EventData)\n| extend ObjectName = extract(\"(?i)CN=([^,]+)\", 1, ObjectName_e)\n| extend ObjectTier_e = extract(\"<Data Name=\\\"ObjectDN\\\">([^<]+)</Data>\", 1, EventData)\n| extend ObjectTier = extract(\"(?i)OU=(Tier [^ ]+)\", 1, ObjectTier_e)\n| extend ObjectTier = iff(isempty(ObjectTier), \n                    iff(EventData matches regex @\"(?i)OU=Domain Controllers\", \"Tier 0\", \"Outside Tier Model\"), \n                    ObjectTier)\n| extend AttributeLDAP = extract(\"<Data Name=\\\"AttributeLDAPDisplayName\\\">([^<]+)</Data>\", 1, EventData)\n| extend AttributeValue = extract(\"<Data Name=\\\"AttributeValue\\\">([^<]+)</Data>\", 1, EventData)\n| extend AttributeValue = iff(EventData has 'AttributeValue\">512' or EventData has 'AttributeValue\">4128', \"Enabled\", tostring(AttributeValue))\n| extend AttributeValue = iff(EventData has 'AttributeValue\">514' or EventData has 'AttributeValue\">4130', \"Disabled\", tostring(AttributeValue))\n| extend AttributeValue = iff(EventData has 'AttributeValue\">0' and AttributeLDAP == \"pwdLastSet\", \"Password Reset\", tostring(AttributeValue))\n| extend AttributeValue = iff(EventData has 'AttributeValue\">0' and AttributeLDAP == \"lockoutTime\", \"Account Unlocked\", tostring(AttributeValue))\n| extend ObjectClass = extract(\"<Data Name=\\\"ObjectClass\\\">([^<]+)</Data>\", 1, EventData)\n| extend ActivityType = extract(\"([a-zA-Z]+)\\\\.$\", 1, Activity)\n| extend Domain = extract(\"([^.]+\\\\.[^.]+)$\", 1, Computer)\n| project TimeGenerated\n   , ObjectName\n   , ObjectTier\n   , ObjectClass\n   , AttributeValue    \n   , ActivityType\n   , Account\n   , Domain\n   , Computer\n   , Channel\n   , EventID\n   , EventData\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [
          "T1078.002"
        ],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}