M2131_RecommendedDatatableNotLogged_EL3

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Id	8b415f2d-44c1-4edb-8ca6-ddf7d2d28b20
Rulename	M2131_RecommendedDatatableNotLogged_EL3
Description	This alert audits your logging architecture for recommended data tables aligned to Advanced Event Logging (EL3) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL3 are not present.
Severity	Medium
Tactics	Discovery
Techniques	T1082
Kind	Scheduled
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting Queries/M2131RecommendedDatatableNotLoggedEL3.yaml
Version	1.0.0
Arm template	8b415f2d-44c1-4edb-8ca6-ddf7d2d28b20.json

KQL

let M2131Mapping = datatable(DataTable:string, MaturityLevel:string)
[
"SigninLogs",	"Event Logging (EL0)",
"AADManagedIdentitySignInLogs", "Event Logging (EL0)",
"AADServicePrincipalSignInLogs",	"Event Logging (EL0)",
"StorageBlobLogs",	"Event Logging (EL0)",
"StorageFileLogs",	"Event Logging (EL0)",
"AzureMetrics",	"Event Logging (EL0)",
"AuditLogs",	"Event Logging (EL0)",
"IdentityInfo",	"Event Logging (EL0)",
"CommonSecurityLog",	"Event Logging (EL0)",
"ThreatIntelligenceIndicator",	"Event Logging (EL0)",
"DeviceNetworkInfo",	"Event Logging (EL0)",
"DnsEvents",	"Event Logging (EL0)",
"DeviceNetworkEvents",	"Event Logging (EL0)",
"AzureDiagnostics",	"Event Logging (EL0)",
"Usage",	"Event Logging (EL0)",
"SecurityIncident",	"Event Logging (EL0)",
"SecurityAlert",	"Event Logging (EL0)",
"AzureActivity",	"Event Logging (EL0)",
"Heartbeat",	"Event Logging (EL0)",
"OfficeActivity",	"Event Logging (EL0)",
"SecurityEvent",	"Event Logging (EL0)",
"Syslog",	"Event Logging (EL0)",
"AWSCloudTrail",	"Event Logging (EL0)",
"GWorkspaceActivityReports",	"Event Logging (EL0)",
"AWSGuardDuty",	"Event Logging (EL0)",
"AWSVPCFlow",	"Event Logging (EL0)",
"Perf",	"Basic Event Logging (EL1)",
"SentinelHealth",	"Basic Event Logging (EL1)",
"DeviceLogonEvents",	"Basic Event Logging (EL1)",
"DeviceEvents",	"Basic Event Logging (EL1)",
"DeviceNetworkEvents",	"Basic Event Logging (EL1)",
"DeviceFileEvents",	"Basic Event Logging (EL1)",
"DeviceRegistryEvents",	"Basic Event Logging (EL1)",
"DeviceProcessEvents",	"Basic Event Logging (EL1)",
"VMConnection",	"Basic Event Logging (EL1)",
"EmailEvents",	"Basic Event Logging (EL1)",
"ThreatIntelligenceIndicator",	"Basic Event Logging (EL1)",
"SecurityRecommendation",	"Basic Event Logging (EL1)",
"DeviceProcessEvents",	"Basic Event Logging (EL1)",
"ConfigurationData",	"Basic Event Logging (EL1)",
"ConfigurationChange",	"Basic Event Logging (EL1)",
"GatewayDiagnosticLog",	"Basic Event Logging (EL1)",
"TunnelDiagnosticLog",	"Basic Event Logging (EL1)",
"IKEDiagnosticLog",	"Basic Event Logging (EL1)",
"RouteDiagnosticLog",	"Basic Event Logging (EL1)",
"PS2DiagnosticLog",	"Basic Event Logging (EL1)",
"Event",	"Basic Event Logging (EL1)",
"SqlAtpStatus",	"Basic Event Logging (EL1)",
"ConstainerInstanceLog_CL",	"Basic Event Logging (EL1)",
"ContainerEvent_CL",	"Basic Event Logging (EL1)",
"InsightsMetrics",	"Intermediate Event Logging (EL2)",
"EmailUrlInfo",	"Intermediate Event Logging (EL2)",
"EmailAttachmentInfo",	"Intermediate Event Logging (EL2)",
"InformationProtectionLogs_CL",	"Intermediate Event Logging (EL2)",
"CloudAppEvents",	"Intermediate Event Logging (EL2)",
"ContainerInventory",	"Intermediate Event Logging (EL2)",
"Update",	"Advanced Event Logging (EL3)",
"BehaviorAnalytics",	"Advanced Event Logging (EL3)",
"Anomalies",	"Advanced Event Logging (EL3)",
"SecurityRegulatoryCompliance",	"Advanced Event Logging (EL3)"
];
Usage
  | summarize Entries = count(), Size = sum(Quantity), last_log = datetime_diff("second",now(), max(TimeGenerated)) by DataType
  | join kind=fullouter(M2131Mapping) on $left.DataType == $right.DataTable
  | project RecommendedDataTable=DataTable, ExistingDataTable=DataType, MaturityLevel, Size
  | summarize Logged = countif(Size > 0), NotLogged = countif(isempty(Size)) by RecommendedDataTable, MaturityLevel
  | where NotLogged > 0 and MaturityLevel == "Advanced Event Logging (EL3)"
  //| where RecommendedDataTable <> "Data Table Name" 
  | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()
  | extend CloudApplication = RecommendedDataTable

YAML

kind: Scheduled
name: M2131_RecommendedDatatableNotLogged_EL3
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: RecommendedDataTable
  entityType: CloudApplication
description: |
    'This alert audits your logging architecture for recommended data tables aligned to Advanced Event Logging (EL3) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL3 are not present.'
version: 1.0.0
severity: Medium
requiredDataConnectors: []
relevantTechniques:
- T1082
id: 8b415f2d-44c1-4edb-8ca6-ddf7d2d28b20
tactics:
- Discovery
query: |
  let M2131Mapping = datatable(DataTable:string, MaturityLevel:string)
  [
  "SigninLogs",	"Event Logging (EL0)",
  "AADManagedIdentitySignInLogs", "Event Logging (EL0)",
  "AADServicePrincipalSignInLogs",	"Event Logging (EL0)",
  "StorageBlobLogs",	"Event Logging (EL0)",
  "StorageFileLogs",	"Event Logging (EL0)",
  "AzureMetrics",	"Event Logging (EL0)",
  "AuditLogs",	"Event Logging (EL0)",
  "IdentityInfo",	"Event Logging (EL0)",
  "CommonSecurityLog",	"Event Logging (EL0)",
  "ThreatIntelligenceIndicator",	"Event Logging (EL0)",
  "DeviceNetworkInfo",	"Event Logging (EL0)",
  "DnsEvents",	"Event Logging (EL0)",
  "DeviceNetworkEvents",	"Event Logging (EL0)",
  "AzureDiagnostics",	"Event Logging (EL0)",
  "Usage",	"Event Logging (EL0)",
  "SecurityIncident",	"Event Logging (EL0)",
  "SecurityAlert",	"Event Logging (EL0)",
  "AzureActivity",	"Event Logging (EL0)",
  "Heartbeat",	"Event Logging (EL0)",
  "OfficeActivity",	"Event Logging (EL0)",
  "SecurityEvent",	"Event Logging (EL0)",
  "Syslog",	"Event Logging (EL0)",
  "AWSCloudTrail",	"Event Logging (EL0)",
  "GWorkspaceActivityReports",	"Event Logging (EL0)",
  "AWSGuardDuty",	"Event Logging (EL0)",
  "AWSVPCFlow",	"Event Logging (EL0)",
  "Perf",	"Basic Event Logging (EL1)",
  "SentinelHealth",	"Basic Event Logging (EL1)",
  "DeviceLogonEvents",	"Basic Event Logging (EL1)",
  "DeviceEvents",	"Basic Event Logging (EL1)",
  "DeviceNetworkEvents",	"Basic Event Logging (EL1)",
  "DeviceFileEvents",	"Basic Event Logging (EL1)",
  "DeviceRegistryEvents",	"Basic Event Logging (EL1)",
  "DeviceProcessEvents",	"Basic Event Logging (EL1)",
  "VMConnection",	"Basic Event Logging (EL1)",
  "EmailEvents",	"Basic Event Logging (EL1)",
  "ThreatIntelligenceIndicator",	"Basic Event Logging (EL1)",
  "SecurityRecommendation",	"Basic Event Logging (EL1)",
  "DeviceProcessEvents",	"Basic Event Logging (EL1)",
  "ConfigurationData",	"Basic Event Logging (EL1)",
  "ConfigurationChange",	"Basic Event Logging (EL1)",
  "GatewayDiagnosticLog",	"Basic Event Logging (EL1)",
  "TunnelDiagnosticLog",	"Basic Event Logging (EL1)",
  "IKEDiagnosticLog",	"Basic Event Logging (EL1)",
  "RouteDiagnosticLog",	"Basic Event Logging (EL1)",
  "PS2DiagnosticLog",	"Basic Event Logging (EL1)",
  "Event",	"Basic Event Logging (EL1)",
  "SqlAtpStatus",	"Basic Event Logging (EL1)",
  "ConstainerInstanceLog_CL",	"Basic Event Logging (EL1)",
  "ContainerEvent_CL",	"Basic Event Logging (EL1)",
  "InsightsMetrics",	"Intermediate Event Logging (EL2)",
  "EmailUrlInfo",	"Intermediate Event Logging (EL2)",
  "EmailAttachmentInfo",	"Intermediate Event Logging (EL2)",
  "InformationProtectionLogs_CL",	"Intermediate Event Logging (EL2)",
  "CloudAppEvents",	"Intermediate Event Logging (EL2)",
  "ContainerInventory",	"Intermediate Event Logging (EL2)",
  "Update",	"Advanced Event Logging (EL3)",
  "BehaviorAnalytics",	"Advanced Event Logging (EL3)",
  "Anomalies",	"Advanced Event Logging (EL3)",
  "SecurityRegulatoryCompliance",	"Advanced Event Logging (EL3)"
  ];
  Usage
    | summarize Entries = count(), Size = sum(Quantity), last_log = datetime_diff("second",now(), max(TimeGenerated)) by DataType
    | join kind=fullouter(M2131Mapping) on $left.DataType == $right.DataTable
    | project RecommendedDataTable=DataTable, ExistingDataTable=DataType, MaturityLevel, Size
    | summarize Logged = countif(Size > 0), NotLogged = countif(isempty(Size)) by RecommendedDataTable, MaturityLevel
    | where NotLogged > 0 and MaturityLevel == "Advanced Event Logging (EL3)"
    //| where RecommendedDataTable <> "Data Table Name" 
    | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()
    | extend CloudApplication = RecommendedDataTable  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting Queries/M2131RecommendedDatatableNotLoggedEL3.yaml

ARM