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

id: 9b51b0fb-0419-4450-9ea0-0a48751c4902
customDetails:
  tags: tags
  entity_id: id
  ip_address: ip
  attack_profile: attack_profile
  entity_type: entity_type
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR
name: Vectra Create Incident Based on Priority for Hosts
tactics:
- Persistence
triggerOperator: GreaterThan
suppressionDuration: PT1H
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
alertDetailsOverride:
  alertDynamicProperties:
  - value: url
    alertProperty: AlertLink
  alertDescriptionFormat: An incident has been generated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}.
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
version: 1.1.1
suppressionEnabled: false
kind: Scheduled
queryPeriod: 10m
queryFrequency: 10m
severity: Medium
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: true
    enabled: true
    matchingMethod: AllEntities
    lookbackDuration: P7D
relevantTechniques:
- T1546
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.
status: Available
query: |
  Entities_Data_CL
  | where entity_type == "host" and is_prioritized == true
  | summarize arg_max(['last_modified_timestamp'], *) by ['name']  
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: name
  entityType: Host
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Priority_Host.yaml

ARM