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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
kind: Scheduled
suppressionEnabled: false
id: 3efebd49-c985-431b-9da8-d7d397092d18
suppressionDuration: 5h
requiredDataConnectors:
- dataTypes:
  - CWS
  connectorId: VMwareSDWAN
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sase-cws-policychange.yaml
triggerThreshold: 0
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  

alertDetailsOverride:
  alertDynamicProperties:
  - value: cwsRuleType
    alertProperty: ProductComponentName
  alertDescriptionFormat: |+
    CWS Policy Change Detected:

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

severity: Informational
incidentConfiguration:
  groupingConfiguration:
    groupByAlertDetails: []
    enabled: true
    reopenClosedIncident: false
    groupByEntities: []
    matchingMethod: AllEntities
    groupByCustomDetails: []
    lookbackDuration: 1h
  createIncident: true
eventGroupingSettings:
  aggregationKind: AlertPerResult
version: 1.0.0
name: VMware Cloud Web Security - Policy Change Detected
triggerOperator: gt
queryFrequency: 1h
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.
queryPeriod: 1h
{
  "$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"
    }
  ]
}