Microsoft Sentinel Analytic Rules
cloudbrothers.infoAzure Sentinel RepoToggle Dark/Light/Auto modeToggle Dark/Light/Auto modeToggle Dark/Light/Auto modeBack to homepage

OCI - Event rule deleted

Back
Id31b15699-0b55-4246-851e-93f9cefb6f5c
RulenameOCI - Event rule deleted
DescriptionDetects when event rule was deleted.
SeverityHigh
TacticsDefenseEvasion
TechniquesT1070
Required data connectorsOracleCloudInfrastructureLogsConnector
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIEventRuleDeleted.yaml
Version1.0.1
Arm template31b15699-0b55-4246-851e-93f9cefb6f5c.json
Deploy To Azure
OCILogs
| where data_eventName_s =~ 'DeleteRule'
| extend IPCustomEntity = SrcIpAddr
queryPeriod: 1h
version: 1.0.1
kind: Scheduled
triggerThreshold: 0
relevantTechniques:
- T1070
triggerOperator: gt
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
query: |
  OCILogs
  | where data_eventName_s =~ 'DeleteRule'
  | extend IPCustomEntity = SrcIpAddr  
name: OCI - Event rule deleted
queryFrequency: 1h
requiredDataConnectors:
- connectorId: OracleCloudInfrastructureLogsConnector
  dataTypes:
  - OCILogs
description: |
    'Detects when event rule was deleted.'
status: Available
id: 31b15699-0b55-4246-851e-93f9cefb6f5c
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIEventRuleDeleted.yaml
tactics:
- DefenseEvasion
severity: High
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/31b15699-0b55-4246-851e-93f9cefb6f5c')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/31b15699-0b55-4246-851e-93f9cefb6f5c')]",
      "properties": {
        "alertRuleTemplateName": "31b15699-0b55-4246-851e-93f9cefb6f5c",
        "customDetails": null,
        "description": "'Detects when event rule was deleted.'\n",
        "displayName": "OCI - Event rule deleted",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIEventRuleDeleted.yaml",
        "query": "OCILogs\n| where data_eventName_s =~ 'DeleteRule'\n| extend IPCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1070"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}