Vectra Create Incident Based on Tag for Hosts

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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
relevantTechniques:
- T1546
triggerOperator: GreaterThan
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
name: Vectra Create Incident Based on Tag for Hosts
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.
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: P7D
    groupByAlertDetails:
    - DisplayName
    enabled: true
    reopenClosedIncident: false
    groupByEntities:
    - Host
    matchingMethod: AllEntities
  createIncident: true
suppressionDuration: PT1H
suppressionEnabled: false
alertDetailsOverride:
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: url
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: name
  entityType: Host
severity: High
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available
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']  
queryFrequency: 10m
queryPeriod: 10m
triggerThreshold: 0
customDetails:
  tags: tags
  entity_type: entity_type
  ip_address: ip
  entity_id: id
  attack_profile: attack_profile
kind: Scheduled
version: 1.1.0
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR

ARM