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

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Detection_Host.yaml
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  
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
severity: Medium
requiredDataConnectors:
- dataTypes:
  - Detections_Data_CL
  connectorId: VectraXDR
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: entity_uid
    identifier: HostName
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: PT5H
    reopenClosedIncident: false
    enabled: false
    matchingMethod: AllEntities
  createIncident: false
eventGroupingSettings:
  aggregationKind: AlertPerResult
name: Vectra Create Detection Alert for Hosts
triggerThreshold: 0
customDetails:
  entity_type: entity_type
  mitre_techniques: mitre
  tags: tags
  detection_id: detection_id
  entity_id: entity_id
suppressionDuration: PT1H
status: Available
version: 1.0.1
relevantTechniques:
- T1546
triggerOperator: GreaterThan
kind: Scheduled
id: fb861539-da19-4266-831f-99459b8e7605
suppressionEnabled: false
queryFrequency: 10m
alertDetailsOverride:
  alertDynamicProperties:
  - value: detection_url
    alertProperty: AlertLink
  alertDescriptionFormat: Vectra AI has detected {{category}} - {{detection}} on entity {{entity_uid}}.
  alertDisplayNameFormat: Vectra AI Detection- {{detection}}
queryPeriod: 10m
tactics:
- Persistence

{
  "$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"
    }
  ]
}