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

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

ARM