M2131_EventLogManagementPostureChanged_EL0

Requête originale, sans modification.

SecurityRecommendation
| where RecommendationDisplayName <> ""
| extend MaturityLevel=iff(RecommendationDisplayName has_any("agent","extension","retention","logs encryption","collect","retained","log profile","CloudTrail","metric","AWS","GCP","DNS","Auditing","Flow","logging","usage"), "Event Logging (EL0)",
iff(RecommendationDisplayName has_any("container registries","logic apps","Enhanced monitoring","IoT Hub","Event Hub","App Service", "Kubernetes","updates","email", "automation", "adaptive"), "Advanced Event Logging (EL3)",
iff(RecommendationDisplayName has_any("signatures","CMK","CMEK","double encryption","managed key","KMS","container","Watcher"), "Intermediate Event Logging (EL2)",
iff(RecommendationDisplayName has_any("Exploit Guard","endpoint protection","Antimalware","health","VPC","Defender","Vulnerabilities","vulnerability","diagnostic","Key","activity log alert",""), "Basic Event Logging (EL1)","Other"))))
| summarize arg_max(TimeGenerated, *) by RecommendationDisplayName, AssessedResourceId, MaturityLevel
| summarize Failed = countif(RecommendationState == "Unhealthy"), Passed = countif(RecommendationState == "Healthy"), Total = countif(RecommendationState == "Healthy" or RecommendationState == "Unhealthy") by MaturityLevel
| extend PassedControls = (Passed/todouble(Total))*100
| extend RemediationLink = strcat('https://portal.azure.com/#blade/Microsoft_Azure_Security/SecurityMenuBlade/22')
| project MaturityLevel, Total, PassedControls, Passed, Failed, RemediationLink, LastObserved=now()
| where MaturityLevel <> ''
| where MaturityLevel == "Event Logging (EL0)"
| where PassedControls < 70 
//Adjust Either FailedRatePercentage or PasedRatePercentage Thresholds within   Organizational Needs
| sort by PassedControls desc
| extend URLCustomEntity = RemediationLink