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

queryFrequency: 10m
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: P7D
    matchingMethod: AllEntities
    groupByEntities:
    - Host
    groupByAlertDetails:
    - DisplayName
    reopenClosedIncident: false
    enabled: true
kind: Scheduled
version: 1.1.0
relevantTechniques:
- T1546
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:
  - alertProperty: AlertLink
    value: url
triggerOperator: GreaterThan
customDetails:
  entity_type: entity_type
  ip_address: ip
  tags: tags
  attack_profile: attack_profile
  entity_id: id
status: Available
requiredDataConnectors:
- connectorId: VectraXDR
  dataTypes:
  - Entities_Data_CL
suppressionDuration: PT1H
name: Vectra Create Incident Based on Tag for Hosts
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
queryPeriod: 10m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
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.
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: name
severity: High
id: 8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
tactics:
- Persistence
suppressionEnabled: false

ARM