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

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

ARM