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

tactics:
- Impact
- Exfiltration
- Reconnaissance
incidentConfiguration:
  groupingConfiguration:
    enabled: false
    matchingMethod: AllEntities
    reopenClosedIncident: false
    lookbackDuration: PT5H
  createIncident: true
severity: Low
alertDetailsOverride:
  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}}    
  alertDisplayNameFormat: Darkweb Ransomware Leak {{Victim}} by {{ThreatActor}}
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.'
customDetails:
  Service: Service
  CompanyLeak: DW_CompanyLeak
  UpdatedDate: DW_UpdatedDate_Nested
  OriginalFileName: DW_OriginalFileName
  ThreatActor: DW_ThreatActor_Nested
  FileName: DW_FileName
  MappedSeverity: Severity
  Victim: DW_Victim_Nested
  DocumentYear: DW_DocumentYear
  Status: Status
  ContentText: DW_Text
  AlertID: AlertID
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_darkweb_ransomware_rule.yaml
requiredDataConnectors:
- dataTypes:
  - CybleVisionAlerts_CL
  connectorId: CybleVisionAlerts
enabled: true
name: Cyble Vision Alerts Darkweb Ransomware Leak
query: |
  Alerts_darkweb_ransomware
  | where Service == "darkweb_ransomware"
  | extend MappedSeverity = Severity  
id: 6deaf986-a25b-47b4-afbe-667901aa313b
relevantTechniques:
- T1486
- T1657
queryfrequency: 30m
queryPeriod: 30m
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- fieldMappings:
  - columnName: DW_Victim_Nested
    identifier: Name
  - columnName: DW_ThreatActor_Nested
    identifier: FullName
  entityType: Account
triggerThreshold: 0
status: Available
version: 1.0.0
kind: Scheduled
triggerOperator: GreaterThan

ARM