Vectra Create Incident Based on Tag for Hosts

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Id	8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
Rulename	Vectra Create Incident Based on Tag for Hosts
Description	Create an incident when the host entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.
Severity	High
Tactics	Persistence
Techniques	T1546
Required data connectors	VectraXDR
Kind	Scheduled
Query frequency	10m
Query period	10m
Trigger threshold	0
Trigger operator	GreaterThan
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
Version	1.1.0
Arm template	8b7a1a64-8ef2-4000-b8c9-9bca3b93aace.json

KQL

Entities_Data_CL
| where entity_type == "host"
| extend Tags = todynamic(tags)
| where set_has_element(Tags, "MDR - Customer Escalation")
| summarize arg_max(['last_modified_timestamp'], *) by ['name']

YAML

entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: name
tactics:
- Persistence
suppressionEnabled: false
suppressionDuration: PT1H
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR
alertDetailsOverride:
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}
  alertDynamicProperties:
  - value: url
    alertProperty: AlertLink
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    groupByAlertDetails:
    - DisplayName
    lookbackDuration: P7D
    groupByEntities:
    - Host
    enabled: true
    matchingMethod: AllEntities
  createIncident: true
id: 8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
severity: High
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available
customDetails:
  attack_profile: attack_profile
  ip_address: ip
  entity_id: id
  tags: tags
  entity_type: entity_type
query: |
  Entities_Data_CL
  | where entity_type == "host"
  | extend Tags = todynamic(tags)
  | where set_has_element(Tags, "MDR - Customer Escalation")
  | summarize arg_max(['last_modified_timestamp'], *) by ['name']  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
kind: Scheduled
queryPeriod: 10m
name: Vectra Create Incident Based on Tag for Hosts
queryFrequency: 10m
triggerOperator: GreaterThan
relevantTechniques:
- T1546
version: 1.1.0
triggerThreshold: 0
description: Create an incident when the host entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.

ARM