Vectra Create Incident Based on Priority for Accounts

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Id	af6f2812-0187-4cc9-822a-952f8b5b6b7e
Rulename	Vectra Create Incident Based on Priority for Accounts
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_Account.yaml
Version	1.1.1
Arm template	af6f2812-0187-4cc9-822a-952f8b5b6b7e.json

KQL

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

YAML

queryFrequency: 10m
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Priority_Account.yaml
suppressionDuration: PT1H
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.
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: name
triggerThreshold: 0
query: |
  Entities_Data_CL
  | where entity_type == "account" and is_prioritized == true
  | summarize arg_max(['last_modified_timestamp'], *) by ['name']  
tactics:
- Persistence
version: 1.1.1
requiredDataConnectors:
- connectorId: VectraXDR
  dataTypes:
  - Entities_Data_CL
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}}
queryPeriod: 10m
incidentConfiguration:
  groupingConfiguration:
    matchingMethod: AllEntities
    enabled: true
    reopenClosedIncident: true
    lookbackDuration: P7D
  createIncident: true
customDetails:
  attack_profile: attack_profile
  tags: tags
  entity_type: entity_type
  ip_address: ip
  entity_id: id
severity: Medium
name: Vectra Create Incident Based on Priority for Accounts
triggerOperator: GreaterThan
id: af6f2812-0187-4cc9-822a-952f8b5b6b7e
kind: Scheduled
status: Available
suppressionEnabled: false
relevantTechniques:
- T1546

ARM