Vectra Create Incident Based on Priority for Accounts

Back


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

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

ARM