VMware ESXi - VM stopped

VMwareESXi
| where SyslogMessage has ('VmPoweredOffEvent')
| extend SrcUsername = extract(@'\[info\]\s+\[(.*?)\]', 1, SyslogMessage)
| extend DstHostname = extract(@'\[\d+\]\s+\[(.*?)\s+on', 1, SyslogMessage)
| extend HostCustomEntity = DstHostname, AccountCustomEntity = SrcUsername

kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiVMStopped.yaml
severity: Medium
name: VMware ESXi - VM stopped
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostCustomEntity
    identifier: FullName
- entityType: Account
  fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
relevantTechniques:
- T1529
queryFrequency: 1h
triggerThreshold: 0
queryPeriod: 1h
description: |
    'Detects when VM was stopped.'
id: 43889f30-7bce-4d8a-93bb-29c9615ca8dd
version: 1.0.0
tactics:
- Impact
query: |
  VMwareESXi
  | where SyslogMessage has ('VmPoweredOffEvent')
  | extend SrcUsername = extract(@'\[info\]\s+\[(.*?)\]', 1, SyslogMessage)
  | extend DstHostname = extract(@'\[\d+\]\s+\[(.*?)\s+on', 1, SyslogMessage)
  | extend HostCustomEntity = DstHostname, AccountCustomEntity = SrcUsername  
status: Available
requiredDataConnectors:
- dataTypes:
  - VMwareESXi
  connectorId: VMwareESXi
triggerOperator: gt

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/43889f30-7bce-4d8a-93bb-29c9615ca8dd')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/43889f30-7bce-4d8a-93bb-29c9615ca8dd')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "VMware ESXi - VM stopped",
        "description": "'Detects when VM was stopped.'\n",
        "severity": "Medium",
        "enabled": true,
        "query": "VMwareESXi\n| where SyslogMessage has ('VmPoweredOffEvent')\n| extend SrcUsername = extract(@'\\[info\\]\\s+\\[(.*?)\\]', 1, SyslogMessage)\n| extend DstHostname = extract(@'\\[\\d+\\]\\s+\\[(.*?)\\s+on', 1, SyslogMessage)\n| extend HostCustomEntity = DstHostname, AccountCustomEntity = SrcUsername\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact"
        ],
        "techniques": [
          "T1529"
        ],
        "alertRuleTemplateName": "43889f30-7bce-4d8a-93bb-29c9615ca8dd",
        "customDetails": null,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "HostCustomEntity"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "identifier": "Name",
                "columnName": "AccountCustomEntity"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiVMStopped.yaml",
        "status": "Available",
        "templateVersion": "1.0.0"
      }
    }
  ]
}