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

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

ARM