VMware ESXi - Root password changed

VMwareESXi
| where SyslogMessage has_any ("password changed for root","Password was changed for account root")
| extend SrcIpAddr = extract(@'root@(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})', 1, SyslogMessage)

tactics:
- InitialAccess
- Persistence
- DefenseEvasion
requiredDataConnectors:
- datatypes:
  - Syslog
  connectorId: SyslogAma
queryPeriod: 10m
kind: Scheduled
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic%20Rules/ESXiRootPasswordChange.yaml
queryFrequency: 10m
triggerThreshold: 0
description: |
  'Detects when root user password is changed.'
id: 17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7
triggerOperator: gt
status: Available
relevantTechniques:
- T1078
- T1098
- T1556
version: 1.0.0
name: VMware ESXi - Root password changed
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
query: |
  VMwareESXi
  | where SyslogMessage has_any ("password changed for root","Password was changed for account root")
  | extend SrcIpAddr = extract(@'root@(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})', 1, SyslogMessage)

{
  "$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/17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7')]",
      "properties": {
        "alertRuleTemplateName": "17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7",
        "customDetails": null,
        "description": "'Detects when root user password is changed.'\n",
        "displayName": "VMware ESXi - Root password changed",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SrcIpAddr",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic%20Rules/ESXiRootPasswordChange.yaml",
        "query": "VMwareESXi\n| where SyslogMessage has_any (\"password changed for root\",\"Password was changed for account root\")\n| extend SrcIpAddr = extract(@'root@(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})', 1, SyslogMessage)\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion",
          "InitialAccess",
          "Persistence"
        ],
        "techniques": [
          "T1078",
          "T1098",
          "T1556"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}