↳ GitHub sourceAnalytics ruleHigh
CYFIRMA - Data Breach and Web Monitoring - Ransomware Exposure Detected Rule
Description
"This analytics rule detects high-severity ransomware threats targeting the organization, as reported by CYFIRMA's Dark Web and Data Breach Intelligence feeds.
The alert is generated when threat actors post, claim, or associate ransomware activity with corporate domains, brands, or subsidiaries, indicating a potential data breach, extortion attempt, or unauthorized access."
- Rule type
- Scheduled
- Version
- 1.0.1
- Declared status
- Available
- Query frequency
- 5m
- Query period
- 5m
- Trigger
- gt 0
Declared MITRE coverage
Declared sources
Metadata from the source file. No dependencies inferred from KQL.
Connectors
Data types
KQL query
Original query, unchanged.
// High severity - Data Breach and Web Monitoring - Ransomware Exposure Detected
let timeFrame = 5m;
CyfirmaDBWMRansomwareAlerts_CL
| where severity == 'Critical' and TimeGenerated between (ago(timeFrame) .. now())
| extend
Description=description,
FirstSeen=first_seen,
LastSeen=last_seen,
RiskScore=risk_score,
AlertUID=alert_uid,
UID=uid,
AssetType=asset_type,
AssetValue=signature,
Source=source,
Impact=impact,
Recommendation='',
ProviderName='CYFIRMA',
ProductName='DeCYFIR/DeTCT',
AlertTitle=Alert_title,
ThreatActors= threat_actors
| project
TimeGenerated,
Description,
RiskScore,
FirstSeen,
LastSeen,
AlertUID,
UID,
AssetType,
AssetValue,
Source,
Impact,
Recommendation,
ProductName,
ProviderName,
AlertTitle,
ThreatActors
Related content
Links established from declared identifiers and solution manifests.
Source provenance
GitHubDisplayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.
- Commit
9800e51↗- Source identifier
ed1aabc1-e1c1-42f4-abac-fd5637730f13
GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC