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

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

ARM