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

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

ARM