Generate alerts based on ExtraHop detections recommended for triage

ExtraHopDetections
| where IsRecommended == true

relevantTechniques:
- T1546
triggerThreshold: 0
version: 1.0.1
triggerOperator: GreaterThan
requiredDataConnectors:
- dataTypes:
  - ExtraHopDetections
  connectorId: ExtraHop
name: Generate alerts based on ExtraHop detections recommended for triage
query: |
  ExtraHopDetections
  | where IsRecommended == true  
severity: Medium
kind: Scheduled
status: Available
description: |
    'This analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage.'
queryFrequency: 15m
tactics:
- Persistence
eventGroupingSettings:
  aggregationKind: AlertPerResult
alertDetailsOverride:
  alertSeverityColumnName: Severity
  alertTacticsColumnName: TacticNames
  alertDisplayNameFormat: Alert from {{EventVendor}} for Detection {{Title}}
  alertDescriptionFormat: Alert from {{EventVendor}} for Detection {{Title}} for Id {{Id}}
  alertDynamicProperties:
  - alertProperty: AlertLink
    columnName: Url
  - alertProperty: Techniques
    columnName: TechniqueIds
  - alertProperty: ProductName
    columnName: EventVendor
queryPeriod: 15m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml
id: cd65aebc-7e85-4cbb-9f91-ff0376c5d37d
incidentConfiguration:
  createIncident: false
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: SourceHostname
  entityType: Host
- fieldMappings:
  - identifier: HostName
    columnName: DestinationHostname
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: SourceIpAddress
  entityType: IP
- fieldMappings:
  - identifier: Address
    columnName: DestinationIpAddress
  entityType: IP
- fieldMappings:
  - identifier: Name
    columnName: SourceUsername
  entityType: Account
- fieldMappings:
  - identifier: Name
    columnName: DestinationUsername
  entityType: Account

{
  "$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/cd65aebc-7e85-4cbb-9f91-ff0376c5d37d')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/cd65aebc-7e85-4cbb-9f91-ff0376c5d37d')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Alert from {{EventVendor}} for Detection {{Title}} for Id {{Id}}",
          "alertDisplayNameFormat": "Alert from {{EventVendor}} for Detection {{Title}}",
          "alertDynamicProperties": [
            {
              "alertProperty": "AlertLink",
              "columnName": "Url"
            },
            {
              "alertProperty": "Techniques",
              "columnName": "TechniqueIds"
            },
            {
              "alertProperty": "ProductName",
              "columnName": "EventVendor"
            }
          ],
          "alertSeverityColumnName": "Severity",
          "alertTacticsColumnName": "TacticNames"
        },
        "alertRuleTemplateName": "cd65aebc-7e85-4cbb-9f91-ff0376c5d37d",
        "customDetails": null,
        "description": "'This analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage.'\n",
        "displayName": "Generate alerts based on ExtraHop detections recommended for triage",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "SourceHostname",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "DestinationHostname",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SourceIpAddress",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "DestinationIpAddress",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "SourceUsername",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "DestinationUsername",
                "identifier": "Name"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": false
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml",
        "query": "ExtraHopDetections\n| where IsRecommended == true\n",
        "queryFrequency": "PT15M",
        "queryPeriod": "PT15M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence"
        ],
        "techniques": [
          "T1546"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}