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

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