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M2131_RecommendedDatatableNotLogged_EL1

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Idf9e0ae98-6828-4d5a-b596-7c4586bb14f6
RulenameM2131_RecommendedDatatableNotLogged_EL1
DescriptionThis alert audits your logging architecture for recommended data tables aligned to Basic Event Logging (EL1) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL1 are not present.
SeverityMedium
TacticsDiscovery
TechniquesT1082
KindScheduled
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting%20Queries/M2131RecommendedDatatableNotLoggedEL1.yaml
Version1.0.0
Arm templatef9e0ae98-6828-4d5a-b596-7c4586bb14f6.json
Deploy To Azure
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 == "Basic Event Logging (EL1)" and RecommendedDataTable <> "Usage"
  //| where RecommendedDataTable <> "Data Table Name"
  | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()
  | extend CloudApplication = RecommendedDataTable

kind: Scheduled
name: M2131_RecommendedDatatableNotLogged_EL1
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 == "Basic Event Logging (EL1)" and RecommendedDataTable <> "Usage"
    //| where RecommendedDataTable <> "Data Table Name"
    | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()
    | extend CloudApplication = RecommendedDataTable
description: |
  'This alert audits your logging architecture for recommended data tables aligned to Basic Event Logging (EL1) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL1 are not present.'
id: f9e0ae98-6828-4d5a-b596-7c4586bb14f6
version: 1.0.0
relevantTechniques:
- T1082
severity: Medium
requiredDataConnectors: []
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting%20Queries/M2131RecommendedDatatableNotLoggedEL1.yaml
tactics:
- Discovery
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: RecommendedDataTable
  entityType: CloudApplication

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/f9e0ae98-6828-4d5a-b596-7c4586bb14f6')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f9e0ae98-6828-4d5a-b596-7c4586bb14f6')]",
      "properties": {
        "alertRuleTemplateName": "f9e0ae98-6828-4d5a-b596-7c4586bb14f6",
        "customDetails": null,
        "description": "'This alert audits your logging architecture for recommended data tables aligned to Basic Event Logging (EL1) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL1 are not present.'\n",
        "displayName": "M2131_RecommendedDatatableNotLogged_EL1",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "CloudApplication",
            "fieldMappings": [
              {
                "columnName": "RecommendedDataTable",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting%20Queries/M2131RecommendedDatatableNotLoggedEL1.yaml",
        "query": "let M2131Mapping = datatable(DataTable:string, MaturityLevel:string)\n[\n\"SigninLogs\",\t\"Event Logging (EL0)\",\n\"AADManagedIdentitySignInLogs\", \"Event Logging (EL0)\",\n\"AADServicePrincipalSignInLogs\",\t\"Event Logging (EL0)\",\n\"StorageBlobLogs\",\t\"Event Logging (EL0)\",\n\"StorageFileLogs\",\t\"Event Logging (EL0)\",\n\"AzureMetrics\",\t\"Event Logging (EL0)\",\n\"AuditLogs\",\t\"Event Logging (EL0)\",\n\"IdentityInfo\",\t\"Event Logging (EL0)\",\n\"CommonSecurityLog\",\t\"Event Logging (EL0)\",\n\"ThreatIntelligenceIndicator\",\t\"Event Logging (EL0)\",\n\"DeviceNetworkInfo\",\t\"Event Logging (EL0)\",\n\"DnsEvents\",\t\"Event Logging (EL0)\",\n\"DeviceNetworkEvents\",\t\"Event Logging (EL0)\",\n\"AzureDiagnostics\",\t\"Event Logging (EL0)\",\n\"Usage\",\t\"Event Logging (EL0)\",\n\"SecurityIncident\",\t\"Event Logging (EL0)\",\n\"SecurityAlert\",\t\"Event Logging (EL0)\",\n\"AzureActivity\",\t\"Event Logging (EL0)\",\n\"Heartbeat\",\t\"Event Logging (EL0)\",\n\"OfficeActivity\",\t\"Event Logging (EL0)\",\n\"SecurityEvent\",\t\"Event Logging (EL0)\",\n\"Syslog\",\t\"Event Logging (EL0)\",\n\"AWSCloudTrail\",\t\"Event Logging (EL0)\",\n\"GWorkspaceActivityReports\",\t\"Event Logging (EL0)\",\n\"AWSGuardDuty\",\t\"Event Logging (EL0)\",\n\"AWSVPCFlow\",\t\"Event Logging (EL0)\",\n\"Perf\",\t\"Basic Event Logging (EL1)\",\n\"SentinelHealth\",\t\"Basic Event Logging (EL1)\",\n\"DeviceLogonEvents\",\t\"Basic Event Logging (EL1)\",\n\"DeviceEvents\",\t\"Basic Event Logging (EL1)\",\n\"DeviceNetworkEvents\",\t\"Basic Event Logging (EL1)\",\n\"DeviceFileEvents\",\t\"Basic Event Logging (EL1)\",\n\"DeviceRegistryEvents\",\t\"Basic Event Logging (EL1)\",\n\"DeviceProcessEvents\",\t\"Basic Event Logging (EL1)\",\n\"VMConnection\",\t\"Basic Event Logging (EL1)\",\n\"EmailEvents\",\t\"Basic Event Logging (EL1)\",\n\"ThreatIntelligenceIndicator\",\t\"Basic Event Logging (EL1)\",\n\"SecurityRecommendation\",\t\"Basic Event Logging (EL1)\",\n\"DeviceProcessEvents\",\t\"Basic Event Logging (EL1)\",\n\"ConfigurationData\",\t\"Basic Event Logging (EL1)\",\n\"ConfigurationChange\",\t\"Basic Event Logging (EL1)\",\n\"GatewayDiagnosticLog\",\t\"Basic Event Logging (EL1)\",\n\"TunnelDiagnosticLog\",\t\"Basic Event Logging (EL1)\",\n\"IKEDiagnosticLog\",\t\"Basic Event Logging (EL1)\",\n\"RouteDiagnosticLog\",\t\"Basic Event Logging (EL1)\",\n\"PS2DiagnosticLog\",\t\"Basic Event Logging (EL1)\",\n\"Event\",\t\"Basic Event Logging (EL1)\",\n\"SqlAtpStatus\",\t\"Basic Event Logging (EL1)\",\n\"ConstainerInstanceLog_CL\",\t\"Basic Event Logging (EL1)\",\n\"ContainerEvent_CL\",\t\"Basic Event Logging (EL1)\",\n\"InsightsMetrics\",\t\"Intermediate Event Logging (EL2)\",\n\"EmailUrlInfo\",\t\"Intermediate Event Logging (EL2)\",\n\"EmailAttachmentInfo\",\t\"Intermediate Event Logging (EL2)\",\n\"InformationProtectionLogs_CL\",\t\"Intermediate Event Logging (EL2)\",\n\"CloudAppEvents\",\t\"Intermediate Event Logging (EL2)\",\n\"ContainerInventory\",\t\"Intermediate Event Logging (EL2)\",\n\"Update\",\t\"Advanced Event Logging (EL3)\",\n\"BehaviorAnalytics\",\t\"Advanced Event Logging (EL3)\",\n\"Anomalies\",\t\"Advanced Event Logging (EL3)\",\n\"SecurityRegulatoryCompliance\",\t\"Advanced Event Logging (EL3)\"\n];\nUsage\n  | summarize Entries = count(), Size = sum(Quantity), last_log = datetime_diff(\"second\",now(), max(TimeGenerated)) by DataType\n  | join kind=fullouter(M2131Mapping) on $left.DataType == $right.DataTable\n  | project RecommendedDataTable=DataTable, ExistingDataTable=DataType, MaturityLevel, Size\n  | summarize Logged = countif(Size > 0), NotLogged = countif(isempty(Size)) by RecommendedDataTable, MaturityLevel\n  | where NotLogged > 0 and MaturityLevel == \"Basic Event Logging (EL1)\" and RecommendedDataTable <> \"Usage\"\n  //| where RecommendedDataTable <> \"Data Table Name\"\n  | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()\n  | extend CloudApplication = RecommendedDataTable\n",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Discovery"
        ],
        "techniques": [
          "T1082"
        ],
        "templateVersion": "1.0.0"
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}