Cyble Vision Alerts Website Defacement URL

Back


Id	1dabe566-a0f1-4c27-8307-aea5a79eb5e9
Rulename	Cyble Vision Alerts Website Defacement URL
Description	Detects suspicious or unexpected changes to monitored URLs which may indicate website tampering or defacement.
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_url_rule.yaml
Version	1.0.0
Arm template	1dabe566-a0f1-4c27-8307-aea5a79eb5e9.json

KQL

Alerts_defacement_url  
| where Service == "defacement_url" 
| extend MappedSeverity = Severity

YAML

customDetails:
  Status: Status
  Service: Service
  DU_Type: DU_Type
  DU_Keywords: DU_Keywords
  DU_DomainName: DU_DomainName
  DU_RecordID: DU_RecordID
  MappedSeverity: Severity
  DU_description: DU_Description
  AlertID: AlertID
severity: Low
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_defacement_url_rule.yaml
query: |
  Alerts_defacement_url  
  | where Service == "defacement_url" 
  | extend MappedSeverity = Severity  
requiredDataConnectors:
- dataTypes:
  - CybleVisionAlerts_CL
  connectorId: CybleVisionAlerts
incidentConfiguration:
  alertDetailsOverride: 
  alertDisplayNameFormat: URL Content Change Detected {{DU_DomainName}}
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
  alertDescriptionFormat: |
        A monitored URL for domain {{DU_DomainName}} has changed {{DU_Description}}. This may indicate unauthorized modification consistent with website defacement activity.
relevantTechniques:
- T1491
kind: Scheduled
name: Cyble Vision Alerts Website Defacement URL
tactics:
- Impact
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- fieldMappings:
  - identifier: Url
    columnName: DU_Description
  entityType: Url
- fieldMappings:
  - identifier: HostName
    columnName: DU_DomainName
  entityType: Host
enabled: true
queryfrequency: 30m
description: |
    'Detects suspicious or unexpected changes to monitored URLs which may indicate website tampering or defacement.'
triggerThreshold: 0
triggerOperator: GreaterThan
version: 1.0.0
queryPeriod: 30m
id: 1dabe566-a0f1-4c27-8307-aea5a79eb5e9

ARM