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CYFIRMA - Attack Surface - Configuration High Rule

Description

This alert is generated when CYFIRMA detects a critical misconfiguration in a public-facing asset or service. Such misconfigurations may include exposed admin interfaces, default credentials, open directory listings, or insecure protocols, which significantly increase the attack surface."
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 - Attack Surface - Misconfiguration Detected
let timeFrame = 5m;
CyfirmaASConfigurationAlerts_CL
| where severity == 'Critical' and TimeGenerated between (ago(timeFrame) .. now())
| extend
    Description=description,
    FirstSeen=first_seen,
    LastSeen=last_seen,
    RiskScore=risk_score,
    Domain=sub_domain,
    TopDomain=top_domain,
    NetworkIP=ip,
    AlertUID=alert_uid,
    UID=uid,
    Softwares=software,
    WebAppFirewall=web_app_firewall,
    ClickJackingDefence=click_jacking_defence,
    ContentSecurityPolicy=content_security_policy,
    CookieXssProtection=cookie_xss_protection,
    DataInjectionDefence=data_injection_defence,
    DomainStatus=domain_status,
    MissingEPPCodes=missing_epp_codes,
    SecureCookie=secure_cookie,
    SetCookieHttpsOnly=set_cookie_https_only,
    XFrameOptions=x_frame_options,
    X_XssProtection=x_xss_protection,
    ProviderName='CYFIRMA',
    ProductName='DeCYFIR/DeTCT'
| project
    TimeGenerated,
    Description,
    Domain,
    TopDomain,
    RiskScore,
    FirstSeen,
    LastSeen,
    NetworkIP,
    AlertUID,
    UID,
    Softwares,
    WebAppFirewall,
    ClickJackingDefence,
    ContentSecurityPolicy,
    CookieXssProtection,
    DataInjectionDefence,
    DomainStatus,
    MissingEPPCodes,
    SecureCookie,
    SetCookieHttpsOnly,
    XFrameOptions,
    X_XssProtection,
    ProviderName,
    ProductName

Declared entities

DNSHostIP

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
30206b45-75d2-4c6a-87c5-f0861c1f2870
Additional source files 2Solutions/Cyfirma Attack Surface/Analytic Rules/ASConfigurationsHighRule.yamlsource ↗Solutions/Cyfirma Attack Surface/Data/Solution_CyfirmaASAlerts.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.