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

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']  
tactics:
- Persistence
kind: Scheduled
customDetails:
  tags: tags
  ip_address: ip
  attack_profile: attack_profile
  entity_type: entity_type
  entity_id: id
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Host_Entity.yaml
suppressionEnabled: false
triggerOperator: GreaterThan
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR
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.
relevantTechniques:
- T1546
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: P7D
    groupByAlertDetails:
    - DisplayName
    reopenClosedIncident: false
    groupByEntities:
    - Host
    matchingMethod: AllEntities
    enabled: true
version: 1.1.0
queryFrequency: 10m
name: Vectra Create Incident Based on Tag for Hosts
severity: High
suppressionDuration: PT1H
status: Available
queryPeriod: 10m
id: 8b7a1a64-8ef2-4000-b8c9-9bca3b93aace
alertDetailsOverride:
  alertDynamicProperties:
  - value: url
    alertProperty: AlertLink
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: name

ARM