Microsoft Sentinel Analytic Rules
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SecurityBridge A critical event occured

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Id8c5c766a-ce9b-4112-b6ed-1b8fe33733b7
RulenameSecurityBridge: A critical event occured
DescriptionThis rule alerts if there is any critical event occured in the SAP system
SeverityMedium
TacticsInitialAccess
TechniquesT1189
Required data connectorsCustomLogsAma
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SecurityBridge App/Analytical Rules/CriticalEventTriggered.yaml
Version1.0.4
Arm template8c5c766a-ce9b-4112-b6ed-1b8fe33733b7.json
Deploy To Azure
SecurityBridgeLogs
| where Severity contains "Critical"
status: Available
id: 8c5c766a-ce9b-4112-b6ed-1b8fe33733b7
query: |
  SecurityBridgeLogs
  | where Severity contains "Critical"  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SecurityBridge App/Analytical Rules/CriticalEventTriggered.yaml
description: |
    'This rule alerts if there is any critical event occured in the SAP system'
name: 'SecurityBridge: A critical event occured'
relevantTechniques:
- T1189
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: maincontact
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: dhost
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: dvchost
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- datatypes:
  - SecurityBridgeLogs_CL
  connectorId: CustomLogsAma
queryFrequency: 5m
queryPeriod: 5m
version: 1.0.4
kind: Scheduled
tactics:
- InitialAccess
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/8c5c766a-ce9b-4112-b6ed-1b8fe33733b7')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/8c5c766a-ce9b-4112-b6ed-1b8fe33733b7')]",
      "properties": {
        "alertRuleTemplateName": "8c5c766a-ce9b-4112-b6ed-1b8fe33733b7",
        "customDetails": null,
        "description": "'This rule alerts if there is any critical event occured in the SAP system'\n",
        "displayName": "SecurityBridge: A critical event occured",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "maincontact",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "dhost",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "dvchost",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SecurityBridge App/Analytical Rules/CriticalEventTriggered.yaml",
        "query": "SecurityBridgeLogs\n| where Severity contains \"Critical\"\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1189"
        ],
        "templateVersion": "1.0.4",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}