Microsoft Sentinel high experimental kql

CYFIRMA - Social and Public Exposure - Social Media Threats Activity Detected Rule

"This rule detects high-severity social threat alerts from CYFIRMA related to impersonation, fake profiles, or malicious activities on social platforms that may target executives, brands, or employees. These threats can result in reputational damage, phishing, or social engineering attacks. Immediate investigation and takedown are recommended to minimize risk."

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Detection Logic

// High severity - Social and Public Exposure - Social Media Threats Activity Detected
let timeFrame = 5m;
CyfirmaSPESocialThreatAlerts_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=recommendation,
    ProviderName='CYFIRMA',
    ProductName='DeCYFIR/DeTCT',
    AlertTitle=Alert_title
| project
    TimeGenerated,
    Description,
    RiskScore,
    FirstSeen,
    LastSeen,
    AlertUID,
    UID,
    AssetType,
    AssetValue,
    Source,
    Impact,
    Recommendation,
    ProductName,
    ProviderName,
    AlertTitle

Field Validations

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