Vectra Create Detection Alert for Hosts

VectraDetections
| where Type == "host"
| extend
    entity_uid = ['Entity UID'],
    entity_id = ['Entity ID'],
    entity_type = ['Entity Type'],
    detection_id = ['Detection ID'],
    detection = ['Detection Name'],
    category = ['Detection Category'],
    detection_url = ['Vectra Pivot'],
    mitre = Mitre,
    tags = Tags
| summarize arg_max(TimeGenerated, *) by ['Detection ID'], entity_uid

suppressionDuration: PT1H
status: Available
relevantTechniques:
- T1546
suppressionEnabled: false
customDetails:
  mitre_techniques: mitre
  entity_type: entity_type
  entity_id: entity_id
  detection_id: detection_id
  tags: tags
queryPeriod: 10m
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Detection_Host.yaml
alertDetailsOverride:
  alertDisplayNameFormat: Vectra AI Detection- {{detection}}
  alertDescriptionFormat: Vectra AI has detected {{category}} - {{detection}} on entity {{entity_uid}}.
  alertDynamicProperties:
  - value: detection_url
    alertProperty: AlertLink
query: |
  VectraDetections
  | where Type == "host"
  | extend
      entity_uid = ['Entity UID'],
      entity_id = ['Entity ID'],
      entity_type = ['Entity Type'],
      detection_id = ['Detection ID'],
      detection = ['Detection Name'],
      category = ['Detection Category'],
      detection_url = ['Vectra Pivot'],
      mitre = Mitre,
      tags = Tags
  | summarize arg_max(TimeGenerated, *) by ['Detection ID'], entity_uid  
version: 1.0.1
id: fb861539-da19-4266-831f-99459b8e7605
description: This analytic rule is looking for new attacker behaviors observed by the Vectra Platform. The intent is to create entries in the SecurityAlert table for every new detection attached to an entity monitored by the Vectra Platform
tactics:
- Persistence
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: entity_uid
  entityType: Host
requiredDataConnectors:
- dataTypes:
  - Detections_Data_CL
  connectorId: VectraXDR
name: Vectra Create Detection Alert for Hosts
severity: Medium
incidentConfiguration:
  createIncident: false
  groupingConfiguration:
    enabled: false
    lookbackDuration: PT5H
    matchingMethod: AllEntities
    reopenClosedIncident: false
triggerOperator: GreaterThan
triggerThreshold: 0
queryFrequency: 10m

{
  "$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/fb861539-da19-4266-831f-99459b8e7605')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/fb861539-da19-4266-831f-99459b8e7605')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Vectra AI has detected {{category}} - {{detection}} on entity {{entity_uid}}.",
          "alertDisplayNameFormat": "Vectra AI Detection- {{detection}}",
          "alertDynamicProperties": [
            {
              "alertProperty": "AlertLink",
              "value": "detection_url"
            }
          ]
        },
        "alertRuleTemplateName": "fb861539-da19-4266-831f-99459b8e7605",
        "customDetails": {
          "detection_id": "detection_id",
          "entity_id": "entity_id",
          "entity_type": "entity_type",
          "mitre_techniques": "mitre",
          "tags": "tags"
        },
        "description": "This analytic rule is looking for new attacker behaviors observed by the Vectra Platform. The intent is to create entries in the SecurityAlert table for every new detection attached to an entity monitored by the Vectra Platform",
        "displayName": "Vectra Create Detection Alert for Hosts",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "entity_uid",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": false,
          "groupingConfiguration": {
            "enabled": false,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Detection_Host.yaml",
        "query": "VectraDetections\n| where Type == \"host\"\n| extend\n    entity_uid = ['Entity UID'],\n    entity_id = ['Entity ID'],\n    entity_type = ['Entity Type'],\n    detection_id = ['Detection ID'],\n    detection = ['Detection Name'],\n    category = ['Detection Category'],\n    detection_url = ['Vectra Pivot'],\n    mitre = Mitre,\n    tags = Tags\n| summarize arg_max(TimeGenerated, *) by ['Detection ID'], entity_uid\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "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"
    }
  ]
}