Vectra Create Incident Based on Tag for Hosts

Back


Id	8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
Rulename	Vectra Create Incident Based on Tag for Hosts
Description	Create an incident when the host entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.
Severity	High
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/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
Version	1.1.0
Arm template	8b7a1a64-8ef2-4000-b8c9-9bca3b93aace.json

KQL

Entities_Data_CL
| where entity_type == "host"
| extend Tags = todynamic(tags)
| where set_has_element(Tags, "MDR - Customer Escalation")
| summarize arg_max(['last_modified_timestamp'], *) by ['name']

YAML

tactics:
- Persistence
triggerOperator: GreaterThan
version: 1.1.0
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: true
    lookbackDuration: P7D
    matchingMethod: AllEntities
    groupByEntities:
    - Host
    groupByAlertDetails:
    - DisplayName
suppressionDuration: PT1H
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
alertDetailsOverride:
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: url
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
query: |
  Entities_Data_CL
  | where entity_type == "host"
  | extend Tags = todynamic(tags)
  | where set_has_element(Tags, "MDR - Customer Escalation")
  | summarize arg_max(['last_modified_timestamp'], *) by ['name']  
triggerThreshold: 0
relevantTechniques:
- T1546
queryPeriod: 10m
status: Available
severity: High
kind: Scheduled
customDetails:
  entity_id: id
  attack_profile: attack_profile
  entity_type: entity_type
  ip_address: ip
  tags: tags
name: Vectra Create Incident Based on Tag for Hosts
queryFrequency: 10m
id: 8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
description: Create an incident when the host entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.
suppressionEnabled: false
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR
entityMappings:
- fieldMappings:
  - columnName: name
    identifier: HostName
  entityType: Host

ARM