Guardian- Regex Policy Violation Detection

Guardian
| where PolicyViolatedControlFeature =~ 'Regex'
| where Severity =~ 'Low'

relevantTechniques: []
name: Guardian- Regex Policy Violation Detection
query: |
  Guardian
  | where PolicyViolatedControlFeature =~ 'Regex'
  | where Severity =~ 'Low'  
queryPeriod: 1h
tactics: []
triggerOperator: gt
requiredDataConnectors:
- dataTypes:
  - Guardian
  connectorId: BoschAIShield
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: NTDomain
    identifier: NTDomain
- entityType: IP
  fieldMappings:
  - columnName: SourceIP
    identifier: Address
alertDetailsOverride:
  alertDisplayNameFormat: Guardian- Regex Policy Violation detection
  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.
  alertSeverityColumnName: Severity
  alertTacticsColumnName: 
eventGroupingSettings:
  aggregationKind: SingleAlert
id: d9ad323f-6115-4f19-9e81-feabceeb6730
description: |
    'This alert creates an incident when Regex Policy Violation detected from the Guardian.'
status: Available
queryFrequency: 1h
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AIShield AI Security Monitoring/Analytic Rules/RegexVulDetection.yaml
triggerThreshold: 0
severity: Low
version: 1.0.0

{
  "$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"
    }
  ]
}