Vectra Create Incident Based on Priority for Hosts

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Id	9b51b0fb-0419-4450-9ea0-0a48751c4902
Rulename	Vectra Create Incident Based on Priority for Hosts
Description	Create an incident when an identity is suspected to be compromised. Vectra is using AI to prioritize an entity based on multiple factors (attack rating, velocity, breadth, importance.etc.). This layer of aggregation at the entity level provides a greater signal-to-noise ratio and help analyst focus on what matters.
Severity	Medium
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/Priority_Host.yaml
Version	1.1.1
Arm template	9b51b0fb-0419-4450-9ea0-0a48751c4902.json

KQL

Entities_Data_CL
| where entity_type == "host" and is_prioritized == true
| summarize arg_max(['last_modified_timestamp'], *) by ['name']

YAML

tactics:
- Persistence
relevantTechniques:
- T1546
triggerOperator: GreaterThan
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Priority_Host.yaml
name: Vectra Create Incident Based on Priority for Hosts
id: 9b51b0fb-0419-4450-9ea0-0a48751c4902
description: Create an incident when an identity is suspected to be compromised. Vectra is using AI to prioritize an entity based on multiple factors (attack rating, velocity, breadth, importance.etc.). This layer of aggregation at the entity level provides a greater signal-to-noise ratio and help analyst focus on what matters.
incidentConfiguration:
  groupingConfiguration:
    enabled: true
    matchingMethod: AllEntities
    reopenClosedIncident: true
    lookbackDuration: P7D
  createIncident: true
suppressionDuration: PT1H
suppressionEnabled: false
alertDetailsOverride:
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: url
  alertDescriptionFormat: An incident has been generated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}.
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: name
  entityType: Host
severity: Medium
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available
query: |
  Entities_Data_CL
  | where entity_type == "host" and is_prioritized == true
  | summarize arg_max(['last_modified_timestamp'], *) by ['name']  
queryFrequency: 10m
queryPeriod: 10m
triggerThreshold: 0
customDetails:
  tags: tags
  entity_type: entity_type
  ip_address: ip
  entity_id: id
  attack_profile: attack_profile
kind: Scheduled
version: 1.1.1
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR

ARM