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

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

ARM