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

name: Vectra Create Incident Based on Tag for Hosts
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    groupByAlertDetails:
    - DisplayName
    enabled: true
    matchingMethod: AllEntities
    groupByEntities:
    - Host
    lookbackDuration: P7D
  createIncident: true
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']  
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: name
    identifier: HostName
queryPeriod: 10m
suppressionEnabled: false
tactics:
- Persistence
suppressionDuration: PT1H
triggerOperator: GreaterThan
kind: Scheduled
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
version: 1.1.0
alertDetailsOverride:
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
  alertDynamicProperties:
  - value: url
    alertProperty: AlertLink
relevantTechniques:
- T1546
id: 8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
customDetails:
  entity_type: entity_type
  ip_address: ip
  tags: tags
  entity_id: id
  attack_profile: attack_profile
severity: High
requiredDataConnectors:
- connectorId: VectraXDR
  dataTypes:
  - Entities_Data_CL
status: Available
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.
queryFrequency: 10m

ARM