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

name: Cyble Vision Alerts Website Defacement Content
query: |
  Alerts_defacement_content  
  | where Service == "defacement_content" 
  | extend MappedSeverity = Severity  
enabled: true
entityMappings:
- entityType: Url
  fieldMappings:
  - columnName: DC_URL
    identifier: Url
- entityType: Host
  fieldMappings:
  - columnName: DC_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_Content.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
incidentConfiguration:
  alertDetailsOverride: 
  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}}
  createIncident: true
  groupingConfiguration:
    enabled: false
    reopenClosedIncident: false
    lookbackDuration: PT5H
    matchingMethod: AllEntities
relevantTechniques:
- T1491
id: 91a00e4f-3edb-49e9-ba6f-cec87a5bd2f8
customDetails:
  DC_URL: DC_URL
  MappedSeverity: Severity
  AlertID: AlertID
  DC_Keywords: DC_Keywords
  Status: Status
  DC_DomainName: DC_DomainName
  DC_RecordID: DC_RecordID
  Service: Service
severity: Low
requiredDataConnectors:
- connectorId: CybleVisionAlerts
  dataTypes:
  - CybleVisionAlerts_CL
status: Available
description: |
    'Triggers when monitored websites show new or suspicious content referencing known defacement patterns. Supports investigation into potential web compromise incidents.'
queryfrequency: 30m

ARM