Microsoft Sentinel Analytic Rules
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Guardian- Malicious URL Policy Violation Detection

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Id8644d9e0-b810-4b55-889b-b8a9b3795b5d
RulenameGuardian- Malicious URL Policy Violation Detection
DescriptionThis alert creates an incident when Malicious URL Policy Violation detected from the Guardian.
SeverityMedium
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/MaliciousURLDetectionVulDetection.yaml
Version1.0.0
Arm template8644d9e0-b810-4b55-889b-b8a9b3795b5d.json
Deploy To Azure
Guardian
| where PolicyViolatedControlFeature =~ 'Malicious URL'
| where Severity =~ 'Medium'
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: NTDomain
    identifier: NTDomain
- entityType: IP
  fieldMappings:
  - columnName: SourceIP
    identifier: Address
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 8644d9e0-b810-4b55-889b-b8a9b3795b5d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AIShield AI Security Monitoring/Analytic Rules/MaliciousURLDetectionVulDetection.yaml
severity: Medium
kind: Scheduled
query: |
  Guardian
  | where PolicyViolatedControlFeature =~ 'Malicious URL'
  | where Severity =~ 'Medium'  
requiredDataConnectors:
- dataTypes:
  - Guardian
  connectorId: BoschAIShield
queryPeriod: 1h
alertDetailsOverride:
  alertSeverityColumnName: Severity
  alertDescriptionFormat: |
        This query detects Malicious URL Policy Violation detected from the Guardian generated at {{TimeGenerated}}.\n\nPlease check the source for more information and investigate further.
  alertDisplayNameFormat: Guardian- Malicious URL Policy Violation detection
  alertTacticsColumnName: 
queryFrequency: 1h
triggerOperator: gt
status: Available
tactics: []
description: |
    'This alert creates an incident when Malicious URL Policy Violation detected from the Guardian.'
name: Guardian- Malicious URL Policy Violation Detection
relevantTechniques: []
version: 1.0.0
triggerThreshold: 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/8644d9e0-b810-4b55-889b-b8a9b3795b5d')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/8644d9e0-b810-4b55-889b-b8a9b3795b5d')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "This query detects Malicious URL Policy Violation detected from the Guardian generated at {{TimeGenerated}}.\\n\\nPlease check the source for more information and investigate further.\n",
          "alertDisplayNameFormat": "Guardian- Malicious URL Policy Violation detection",
          "alertSeverityColumnName": "Severity",
          "alertTacticsColumnName": null
        },
        "alertRuleTemplateName": "8644d9e0-b810-4b55-889b-b8a9b3795b5d",
        "customDetails": null,
        "description": "'This alert creates an incident when Malicious URL Policy Violation detected from the Guardian.'\n",
        "displayName": "Guardian- Malicious URL 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/MaliciousURLDetectionVulDetection.yaml",
        "query": "Guardian\n| where PolicyViolatedControlFeature =~ 'Malicious URL'\n| where Severity =~ 'Medium'\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}