Cyble Vision Alerts Darkweb Ransomware Leak

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Id	6deaf986-a25b-47b4-afbe-667901aa313b
Rulename	Cyble Vision Alerts Darkweb Ransomware Leak
Description	A ransomware threat actor has posted victim data on the dark web. This alert includes leaked documents, threat actor name, victim organization, timestamps, and extracted text content for SOC triage.
Severity	Low
Tactics	Impact Exfiltration Reconnaissance
Techniques	T1486 T1657
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_darkweb_ransomware_rule.yaml
Version	1.0.0
Arm template	6deaf986-a25b-47b4-afbe-667901aa313b.json

KQL

Alerts_darkweb_ransomware
| where Service == "darkweb_ransomware"
| extend MappedSeverity = Severity

YAML

customDetails:
  Victim: DW_Victim_Nested
  FileName: DW_FileName
  OriginalFileName: DW_OriginalFileName
  ThreatActor: DW_ThreatActor_Nested
  CompanyLeak: DW_CompanyLeak
  UpdatedDate: DW_UpdatedDate_Nested
  Service: Service
  DocumentYear: DW_DocumentYear
  AlertID: AlertID
  MappedSeverity: Severity
  ContentText: DW_Text
  Status: Status
severity: Low
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_darkweb_ransomware_rule.yaml
query: |
  Alerts_darkweb_ransomware
  | where Service == "darkweb_ransomware"
  | extend MappedSeverity = Severity  
requiredDataConnectors:
- dataTypes:
  - CybleVisionAlerts_CL
  connectorId: CybleVisionAlerts
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
  createIncident: true
relevantTechniques:
- T1486
- T1657
kind: Scheduled
name: Cyble Vision Alerts Darkweb Ransomware Leak
tactics:
- Impact
- Exfiltration
- Reconnaissance
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: DW_Victim_Nested
  - identifier: FullName
    columnName: DW_ThreatActor_Nested
  entityType: Account
enabled: true
queryfrequency: 30m
description: |
    'A ransomware threat actor has posted victim data on the dark web. This alert includes leaked documents, threat actor name, victim organization, timestamps, and extracted text content for SOC triage.'
alertDetailsOverride:
  alertDisplayNameFormat: Darkweb Ransomware Leak {{Victim}} by {{ThreatActor}}
  alertDescriptionFormat: |
    A ransomware group has posted data belonging on the dark web. A document leak has been detected, including text extracted from the file.
    **Victim:** {{Victim}}
    **Threat Actor:** {{ThreatActor}}
    **Leaked File:** {{FileName}}    
triggerThreshold: 0
triggerOperator: GreaterThan
version: 1.0.0
queryPeriod: 30m
id: 6deaf986-a25b-47b4-afbe-667901aa313b

ARM