↳ Source GitHubRègle analytiqueHigh

Vulnerable Machines related to log4j CVE-2021-44228

Description

'This query uses the Azure Defender Security Nested Recommendations data to find machines vulnerable to log4j CVE-2021-44228. Log4j is an open-source Apache logging library that is used in many Java-based applications. Security Nested Recommendations data is sent to Microsoft Sentinel using the continuous export feature of Azure Defender(refrence link below). Reference: https://msrc-blog.microsoft.com/2021/12/11/microsofts-response-to-cve-2021-44228-apache-log4j2/ Reference: https://docs.microsoft.com/azure/security-center/continuous-export?tabs=azure-portal Reference: https://techcommunity.microsoft.com/t5/microsoft-defender-for-cloud/how-defender-for-cloud-displays-machines-affected-by-log4j/ba-p/3037271'
Type de règle
Scheduled
Version
1.0.3
Statut déclaré
Available
Fréquence
1d
Période analysée
1d
Déclenchement
gt 0

Couverture MITRE déclarée

Requête KQL

Requête originale, sans modification.

SecurityNestedRecommendation
| where RemediationDescription has 'CVE-2021-44228'
| parse ResourceDetails with * 'virtualMachines/' VirtualMachine '"' *
| summarize arg_min(TimeGenerated, *) by TenantId, RecommendationSubscriptionId, VirtualMachine, RecommendationName,Description,RemediationDescription, tostring(AdditionalData),VulnerabilityId
| extend Timestamp = TimeGenerated

Entités déclarées

Host

Contenus associés

Liens établis à partir des identifiants déclarés et des manifests des solutions.

Traçabilité de la source

GitHub

Les valeurs affichées proviennent des fichiers du dépôt Azure/Azure-Sentinel. Elles décrivent le modèle publié, pas la configuration de votre workspace.

Identifiant source
3d71fc38-f249-454e-8479-0a358382ef9a
Autres fichiers source 3Solutions/Apache Log4j Vulnerability Detection/Analytic Rules/Log4jVulnerableMachines.yamlsource ↗Detections/SecurityNestedRecommendation/Log4jVulnerableMachines.yamlmigration-note ↗Solutions/Apache Log4j Vulnerability Detection/Data/Solution_Log4j.jsonsolution-membership ↗
GSTEP / SUIVI DU CATALOGUE

Ajouté au catalogue : 16 sept. 2026 · 05:49 UTC
Dernier changement observé : 16 sept. 2026 · 05:49 UTC

Dates de synchronisation GSTEP, distinctes des dates de publication du contenu source.