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VMware Cloud Web Security - Policy Change Detected

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Id3efebd49-c985-431b-9da8-d7d397092d18
RulenameVMware Cloud Web Security - Policy Change Detected
DescriptionThis Analytics rule provides notifications when a VMware CWS policy has been modified. These alerts serve audit purposes. Policy changes might lower the level of security controls.
SeverityInformational
Required data connectorsVMwareSDWAN
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sase-cws-policychange.yaml
Version1.0.0
Arm template3efebd49-c985-431b-9da8-d7d397092d18.json
Deploy To Azure
VMware_VECO_EventLogs_CL
| where event == "CWS_EVENT"
| extend cwsPolicyAction = todynamic(detail).subEvent
| where cwsPolicyAction contains "SECURITY_RULE"
| extend cwsRuleName = todynamic(detail).name
| extend cwsRuleType = todynamic(detail).data.ruleType
| extend cwsPolicyName = todynamic(detail).policyName
severity: Informational
query: |+
  VMware_VECO_EventLogs_CL
  | where event == "CWS_EVENT"
  | extend cwsPolicyAction = todynamic(detail).subEvent
  | where cwsPolicyAction contains "SECURITY_RULE"
  | extend cwsRuleName = todynamic(detail).name
  | extend cwsRuleType = todynamic(detail).data.ruleType
  | extend cwsPolicyName = todynamic(detail).policyName  

requiredDataConnectors:
- dataTypes:
  - CWS
  connectorId: VMwareSDWAN
triggerThreshold: 0
description: This Analytics rule provides notifications when a VMware CWS policy has been modified. These alerts serve audit purposes. Policy changes might lower the level of security controls.
triggerOperator: gt
alertDetailsOverride:
  alertDescriptionFormat: |+
    CWS Policy Change Detected:

    CWS Policy Name: {{cwsPolicyName}}
     - Rule changed: {{cwsRuleName}}
        - Audited Action: {{cwsPolicyAction}}    

  alertDynamicProperties:
  - alertProperty: ProductComponentName
    value: cwsRuleType
name: VMware Cloud Web Security - Policy Change Detected
suppressionEnabled: false
queryFrequency: 1h
version: 1.0.0
kind: Scheduled
suppressionDuration: 5h
incidentConfiguration:
  groupingConfiguration:
    enabled: true
    groupByCustomDetails: []
    matchingMethod: AllEntities
    groupByEntities: []
    reopenClosedIncident: false
    groupByAlertDetails: []
    lookbackDuration: 1h
  createIncident: true
queryPeriod: 1h
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sase-cws-policychange.yaml
id: 3efebd49-c985-431b-9da8-d7d397092d18
{
  "$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/3efebd49-c985-431b-9da8-d7d397092d18')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/3efebd49-c985-431b-9da8-d7d397092d18')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "CWS Policy Change Detected:\n\nCWS Policy Name: {{cwsPolicyName}}\n - Rule changed: {{cwsRuleName}}\n    - Audited Action: {{cwsPolicyAction}}\n\n",
          "alertDynamicProperties": [
            {
              "alertProperty": "ProductComponentName",
              "value": "cwsRuleType"
            }
          ]
        },
        "alertRuleTemplateName": "3efebd49-c985-431b-9da8-d7d397092d18",
        "customDetails": null,
        "description": "This Analytics rule provides notifications when a VMware CWS policy has been modified. These alerts serve audit purposes. Policy changes might lower the level of security controls.",
        "displayName": "VMware Cloud Web Security - Policy Change Detected",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT1H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sase-cws-policychange.yaml",
        "query": "VMware_VECO_EventLogs_CL\n| where event == \"CWS_EVENT\"\n| extend cwsPolicyAction = todynamic(detail).subEvent\n| where cwsPolicyAction contains \"SECURITY_RULE\"\n| extend cwsRuleName = todynamic(detail).name\n| extend cwsRuleType = todynamic(detail).data.ruleType\n| extend cwsPolicyName = todynamic(detail).policyName\n\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Informational",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}