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

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

ARM