Four-Eyes Authorization Request Rejected

Veeam_GetSecurityEvents
| where instanceId == 42404
| extend Operation = extract("Operation=\"([^\"]*)\"", 1, SyslogMessage)
| project
    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
    DataSource = original_host,
    EventId = instanceId,
    ["User Name"] = user,
    ["Operation Name"] = Operation,
    MessageDetails = Description,
   Severity = SeverityDescription

tactics: []
name: Four-Eyes Authorization Request Rejected
id: dfd1d756-623d-4951-84a5-ce51f726d322
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
- connectorId: SyslogAma
  dataTypes:
  - Syslog
query: |-
  Veeam_GetSecurityEvents
  | where instanceId == 42404
  | extend Operation = extract("Operation=\"([^\"]*)\"", 1, SyslogMessage)
  | project
      Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
      DataSource = original_host,
      EventId = instanceId,
      ["User Name"] = user,
      ["Operation Name"] = Operation,
      MessageDetails = Description,
     Severity = SeverityDescription  
eventGroupingSettings:
  aggregationKind: AlertPerResult
relevantTechniques: []
description: Detects when a four-eyes authorization request is rejected.
triggerOperator: gt
queryPeriod: 1d
severity: Informational
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veeam/Analytic Rules/Four_Eyes_Authorization_Request_Rejected.yaml
version: 1.0.0
triggerThreshold: 0
kind: Scheduled
queryFrequency: 1d
status: Available
customDetails:
  VbrHostName: DataSource
  EventId: EventId
  Severity: Severity
  Date: Date
  MessageDetails: MessageDetails

{
  "$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/dfd1d756-623d-4951-84a5-ce51f726d322')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/dfd1d756-623d-4951-84a5-ce51f726d322')]",
      "properties": {
        "alertRuleTemplateName": "dfd1d756-623d-4951-84a5-ce51f726d322",
        "customDetails": {
          "Date": "Date",
          "EventId": "EventId",
          "MessageDetails": "MessageDetails",
          "Severity": "Severity",
          "VbrHostName": "DataSource"
        },
        "description": "Detects when a four-eyes authorization request is rejected.",
        "displayName": "Four-Eyes Authorization Request Rejected",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veeam/Analytic Rules/Four_Eyes_Authorization_Request_Rejected.yaml",
        "query": "Veeam_GetSecurityEvents\n| where instanceId == 42404\n| extend Operation = extract(\"Operation=\\\"([^\\\"]*)\\\"\", 1, SyslogMessage)\n| project\n    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),\n    DataSource = original_host,\n    EventId = instanceId,\n    [\"User Name\"] = user,\n    [\"Operation Name\"] = Operation,\n    MessageDetails = Description,\n   Severity = SeverityDescription",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "Informational",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}