Cyble Vision Alerts Website Defacement Content

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Id	91a00e4f-3edb-49e9-ba6f-cec87a5bd2f8
Rulename	Cyble Vision Alerts Website Defacement Content
Description	Triggers when monitored websites show new or suspicious content referencing known defacement patterns. Supports investigation into potential web compromise incidents.
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_Content.yaml
Version	1.0.0
Arm template	91a00e4f-3edb-49e9-ba6f-cec87a5bd2f8.json

KQL

Alerts_defacement_content  
| where Service == "defacement_content" 
| extend MappedSeverity = Severity

YAML

customDetails:
  Service: Service
  Status: Status
  DC_Keywords: DC_Keywords
  AlertID: AlertID
  DC_RecordID: DC_RecordID
  MappedSeverity: Severity
  DC_DomainName: DC_DomainName
  DC_URL: DC_URL
triggerOperator: GreaterThan
tactics:
- Impact
incidentConfiguration:
  alertDescriptionFormat: |
        New or modified content was detected on website {{DC_DomainName}}. URL {{DC_URL}}. This may indicate unauthorized website updates or defacement activity.
  alertDisplayNameFormat: Defacement Activity Detected {{DC_DomainName}}
  alertDetailsOverride: 
  groupingConfiguration:
    reopenClosedIncident: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
    enabled: false
  createIncident: true
enabled: true
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_Defacement_Content.yaml
version: 1.0.0
query: |
  Alerts_defacement_content  
  | where Service == "defacement_content" 
  | extend MappedSeverity = Severity  
triggerThreshold: 0
relevantTechniques:
- T1491
queryPeriod: 30m
status: Available
severity: Low
kind: Scheduled
name: Cyble Vision Alerts Website Defacement Content
queryfrequency: 30m
id: 91a00e4f-3edb-49e9-ba6f-cec87a5bd2f8
description: |
    'Triggers when monitored websites show new or suspicious content referencing known defacement patterns. Supports investigation into potential web compromise incidents.'
requiredDataConnectors:
- dataTypes:
  - CybleVisionAlerts_CL
  connectorId: CybleVisionAlerts
entityMappings:
- fieldMappings:
  - columnName: DC_URL
    identifier: Url
  entityType: Url
- fieldMappings:
  - columnName: DC_DomainName
    identifier: HostName
  entityType: Host

ARM