Microsoft Sentinel Analytic Rules
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Guardian- Regex Policy Violation Detection

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Idd9ad323f-6115-4f19-9e81-feabceeb6730
RulenameGuardian- Regex Policy Violation Detection
DescriptionThis alert creates an incident when Regex Policy Violation detected from the Guardian.
SeverityLow
Required data connectorsBoschAIShield
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AIShield AI Security Monitoring/Analytic Rules/RegexVulDetection.yaml
Version1.0.0
Arm templated9ad323f-6115-4f19-9e81-feabceeb6730.json
Deploy To Azure
Guardian
| where PolicyViolatedControlFeature =~ 'Regex'
| where Severity =~ 'Low'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AIShield AI Security Monitoring/Analytic Rules/RegexVulDetection.yaml
query: |
  Guardian
  | where PolicyViolatedControlFeature =~ 'Regex'
  | where Severity =~ 'Low'  
description: |
    'This alert creates an incident when Regex Policy Violation detected from the Guardian.'
severity: Low
requiredDataConnectors:
- dataTypes:
  - Guardian
  connectorId: BoschAIShield
eventGroupingSettings:
  aggregationKind: SingleAlert
name: Guardian- Regex Policy Violation Detection
triggerThreshold: 0
version: 1.0.0
tactics: []
alertDetailsOverride:
  alertTacticsColumnName: 
  alertDescriptionFormat: |
        This query detects Regex Policy Violation detected from the Guardian generated at {{TimeGenerated}}.\n\nPlease check the source for more information and investigate further.
  alertDisplayNameFormat: Guardian- Regex Policy Violation detection
  alertSeverityColumnName: Severity
relevantTechniques: []
triggerOperator: gt
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: NTDomain
    identifier: NTDomain
- entityType: IP
  fieldMappings:
  - columnName: SourceIP
    identifier: Address
id: d9ad323f-6115-4f19-9e81-feabceeb6730
status: Available
kind: Scheduled
queryFrequency: 1h
queryPeriod: 1h
{
  "$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/d9ad323f-6115-4f19-9e81-feabceeb6730')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d9ad323f-6115-4f19-9e81-feabceeb6730')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "This query detects Regex Policy Violation detected from the Guardian generated at {{TimeGenerated}}.\\n\\nPlease check the source for more information and investigate further.\n",
          "alertDisplayNameFormat": "Guardian- Regex Policy Violation detection",
          "alertSeverityColumnName": "Severity",
          "alertTacticsColumnName": null
        },
        "alertRuleTemplateName": "d9ad323f-6115-4f19-9e81-feabceeb6730",
        "customDetails": null,
        "description": "'This alert creates an incident when Regex Policy Violation detected from the Guardian.'\n",
        "displayName": "Guardian- Regex Policy Violation Detection",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostName",
                "identifier": "HostName"
              },
              {
                "columnName": "NTDomain",
                "identifier": "NTDomain"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SourceIP",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AIShield AI Security Monitoring/Analytic Rules/RegexVulDetection.yaml",
        "query": "Guardian\n| where PolicyViolatedControlFeature =~ 'Regex'\n| where Severity =~ 'Low'\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Low",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}