OracleDBAudit - Shutdown Server

OracleDatabaseAuditEvent
| where isnotempty(SrcIpAddr)
| where DbAction =~ 'SHUTDOWN'
| project SrcIpAddr, DstUserName
| extend AccountCustomEntity = DstUserName
| extend IPCustomEntity = SrcIpAddr

relevantTechniques:
- T1529
name: OracleDBAudit - Shutdown Server
requiredDataConnectors:
- dataTypes:
  - Syslog
  connectorId: OracleDatabaseAudit
- datatypes:
  - Syslog
  connectorId: SyslogAma
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
triggerThreshold: 0
id: 27cc2cdc-ba67-4906-a6ef-ecbc9c284f4e
tactics:
- Impact
version: 1.0.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleDatabaseAudit/Analytic Rules/OracleDBAuditShutdownServer.yaml
queryPeriod: 1h
kind: Scheduled
queryFrequency: 1h
severity: Medium
status: Available
description: |
    'Detects when "SHUTDOWN" command was sent to server.'
query: |
  OracleDatabaseAuditEvent
  | where isnotempty(SrcIpAddr)
  | where DbAction =~ 'SHUTDOWN'
  | project SrcIpAddr, DstUserName
  | extend AccountCustomEntity = DstUserName
  | extend IPCustomEntity = SrcIpAddr  
triggerOperator: gt

{
  "$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/27cc2cdc-ba67-4906-a6ef-ecbc9c284f4e')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/27cc2cdc-ba67-4906-a6ef-ecbc9c284f4e')]",
      "properties": {
        "alertRuleTemplateName": "27cc2cdc-ba67-4906-a6ef-ecbc9c284f4e",
        "customDetails": null,
        "description": "'Detects when \"SHUTDOWN\" command was sent to server.'\n",
        "displayName": "OracleDBAudit - Shutdown Server",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleDatabaseAudit/Analytic Rules/OracleDBAuditShutdownServer.yaml",
        "query": "OracleDatabaseAuditEvent\n| where isnotempty(SrcIpAddr)\n| where DbAction =~ 'SHUTDOWN'\n| project SrcIpAddr, DstUserName\n| extend AccountCustomEntity = DstUserName\n| extend IPCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact"
        ],
        "techniques": [
          "T1529"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}