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M2131_RecommendedDatatableNotLogged_EL0

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Idb3e0bfd4-52d2-4684-9514-716035cdbff2
RulenameM2131_RecommendedDatatableNotLogged_EL0
DescriptionThis alert audits your logging architecture for recommended data tables aligned to Event Logging (EL0) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL0 are not present.
SeverityMedium
TacticsDiscovery
TechniquesT1082
KindScheduled
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting%20Queries/M2131RecommendedDatatableNotLoggedEL0.yaml
Version1.0.0
Arm templateb3e0bfd4-52d2-4684-9514-716035cdbff2.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 == "Event Logging (EL0)" and RecommendedDataTable <> "Usage"
  //| where RecommendedDataTable <> "Data Table Name" 
  | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()
  | extend CloudApplication = RecommendedDataTable

id: b3e0bfd4-52d2-4684-9514-716035cdbff2
description: |
  'This alert audits your logging architecture for recommended data tables aligned to Event Logging (EL0) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL0 are not present.'
kind: Scheduled
severity: Medium
name: M2131_RecommendedDatatableNotLogged_EL0
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 == "Event Logging (EL0)" and RecommendedDataTable <> "Usage"
    //| where RecommendedDataTable <> "Data Table Name" 
    | project RecommendedDataTable, MaturityLevel, NotLogged, TimeObserved=now()
    | extend CloudApplication = RecommendedDataTable
relevantTechniques:
- T1082
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: RecommendedDataTable
  entityType: CloudApplication
requiredDataConnectors: []
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting%20Queries/M2131RecommendedDatatableNotLoggedEL0.yaml
version: 1.0.0

{
  "$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/b3e0bfd4-52d2-4684-9514-716035cdbff2')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b3e0bfd4-52d2-4684-9514-716035cdbff2')]",
      "properties": {
        "alertRuleTemplateName": "b3e0bfd4-52d2-4684-9514-716035cdbff2",
        "customDetails": null,
        "description": "'This alert audits your logging architecture for recommended data tables aligned to Event Logging (EL0) of the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when recommended data tables in EL0 are not present.'\n",
        "displayName": "M2131_RecommendedDatatableNotLogged_EL0",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "CloudApplication",
            "fieldMappings": [
              {
                "columnName": "RecommendedDataTable",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MaturityModelForEventLogManagementM2131/Hunting%20Queries/M2131RecommendedDatatableNotLoggedEL0.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 == \"Event Logging (EL0)\" 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"
    }
  ]
}