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

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

ARM