Cyble Vision Alerts Website Defacement Content

Back


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

ARM