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

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

{
  "$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"
    }
  ]
}