Lookout - Critical Smishing and Phishing Alerts (v2)

Requête originale, sans modification.

LookoutEvents
| where EventType == "SMISHING_ALERT"
| where SmishingAlertSeverity in ("CRITICAL", "HIGH")
| where SmishingAlertType in ("PHISHING_DETECTION", "FRAUD_DETECTION", "CREDENTIAL_HARVESTING")
| extend 
    AlertRiskScore = case(
        SmishingAlertSeverity == "CRITICAL", 10,
        SmishingAlertSeverity == "HIGH", 8,
        SmishingAlertSeverity == "MEDIUM", 5,
        SmishingAlertSeverity == "LOW", 2,
        1
    ),
    ThreatCategory = case(
        SmishingAlertType == "PHISHING_DETECTION", "Phishing",
        SmishingAlertType == "FRAUD_DETECTION", "Fraud",
        SmishingAlertType == "CREDENTIAL_HARVESTING", "Credential Theft",
        SmishingAlertType == "MALICIOUS_LINK", "Malicious Link",
        "Other"
    ),
    ImpersonationRisk = case(
        SmishingAlertDescription has "CEO" or SmishingAlertDescription has "executive", "Executive Impersonation",
        SmishingAlertDescription has "IT" or SmishingAlertDescription has "support", "IT Support Impersonation", 
        SmishingAlertDescription has "bank" or SmishingAlertDescription has "financial", "Financial Impersonation",
        SmishingAlertDescription has "delivery" or SmishingAlertDescription has "package", "Delivery Impersonation",
        "Generic Phishing"
    )
| extend DeviceRiskLevel = case(
    DeviceSecurityStatus == "THREATS_HIGH", "High",
    DeviceSecurityStatus == "THREATS_MEDIUM", "Medium", 
    DeviceSecurityStatus == "THREATS_LOW", "Low",
    "Unknown"
)
| extend CampaignIndicators = case(
    AlertRiskScore >= 8 and DeviceRiskLevel == "High", "Targeted Campaign",
    AlertRiskScore >= 6 and ImpersonationRisk != "Generic Phishing", "Sophisticated Attack",
    AlertRiskScore >= 5, "Coordinated Threat",
    "Isolated Incident"
)
| project
    TimeGenerated,
    EventId,
    SmishingAlertId,
    SmishingAlertType,
    SmishingAlertSeverity,
    SmishingAlertDescription,
    AlertRiskScore,
    ThreatCategory,
    ImpersonationRisk,
    CampaignIndicators,
    DeviceGuid,
    DevicePlatform,
    DeviceOSVersion,
    DeviceManufacturer,
    DeviceModel,
    DeviceEmailAddress,
    DeviceSecurityStatus,
    DeviceRiskLevel,
    TargetEmailAddress,
    TargetPlatform,
    ActorType,
    ActorGuid,
    ChangeType