Cyble Vision Alerts Website Defacement URL

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Id	1dabe566-a0f1-4c27-8307-aea5a79eb5e9
Rulename	Cyble Vision Alerts Website Defacement URL
Description	Detects suspicious or unexpected changes to monitored URLs which may indicate website tampering or defacement.
Severity	Low
Tactics	Impact
Techniques	T1491
Required data connectors	CybleVisionAlerts
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	GreaterThan
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_defacement_url_rule.yaml
Version	1.0.0
Arm template	1dabe566-a0f1-4c27-8307-aea5a79eb5e9.json

KQL

Alerts_defacement_url  
| where Service == "defacement_url" 
| extend MappedSeverity = Severity

YAML

name: Cyble Vision Alerts Website Defacement URL
query: |
  Alerts_defacement_url  
  | where Service == "defacement_url" 
  | extend MappedSeverity = Severity  
enabled: true
entityMappings:
- entityType: Url
  fieldMappings:
  - columnName: DU_Description
    identifier: Url
- entityType: Host
  fieldMappings:
  - columnName: DU_DomainName
    identifier: HostName
queryPeriod: 30m
version: 1.0.0
tactics:
- Impact
triggerOperator: GreaterThan
kind: Scheduled
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_defacement_url_rule.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
incidentConfiguration:
  alertDetailsOverride: 
  alertDescriptionFormat: |
        A monitored URL for domain {{DU_DomainName}} has changed {{DU_Description}}. This may indicate unauthorized modification consistent with website defacement activity.
  alertDisplayNameFormat: URL Content Change Detected {{DU_DomainName}}
  createIncident: true
  groupingConfiguration:
    enabled: false
    reopenClosedIncident: false
    lookbackDuration: PT5H
    matchingMethod: AllEntities
relevantTechniques:
- T1491
id: 1dabe566-a0f1-4c27-8307-aea5a79eb5e9
customDetails:
  MappedSeverity: Severity
  DU_Keywords: DU_Keywords
  DU_Type: DU_Type
  AlertID: AlertID
  DU_DomainName: DU_DomainName
  Status: Status
  DU_description: DU_Description
  DU_RecordID: DU_RecordID
  Service: Service
severity: Low
requiredDataConnectors:
- connectorId: CybleVisionAlerts
  dataTypes:
  - CybleVisionAlerts_CL
status: Available
description: |
    'Detects suspicious or unexpected changes to monitored URLs which may indicate website tampering or defacement.'
queryfrequency: 30m

ARM