Excessive Login Attempts Microsoft Defender for IoT

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Id	f5217b4c-3f1f-4d89-b4f3-5d7581da1c1c
Rulename	Excessive Login Attempts (Microsoft Defender for IoT)
Description	This alert leverages Defender for IoT to detect excessive login attempts that may indicate improper service configuration, human error, or malicious activity on the network such as a cyber threat attempting to manipulate the SCADA network.
Severity	High
Tactics	ImpairProcessControl
Techniques	T0806
Required data connectors	IoT
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTExcessiveLoginAttempts.yaml
Version	1.0.3
Arm template	f5217b4c-3f1f-4d89-b4f3-5d7581da1c1c.json

KQL

SecurityAlert
| where ProviderName == "IoTSecurity"
| where AlertName in ("Excessive Login Attempts","Excessive SMB login attempts","Password Guessing Attempt Detected","Excessive Number of Sessions") 
| extend ExtendedProperties = parse_json(ExtendedProperties)
| where tostring(ExtendedProperties.isNew) == "True"
| extend DeviceId = tostring(ExtendedProperties.DeviceId), 
         SourceDeviceAddress = tostring(ExtendedProperties.SourceDeviceAddress), 
         DestDeviceAddress = tostring(ExtendedProperties.DestinationDeviceAddress), 
         RemediationSteps = tostring(parse_json(RemediationSteps)[0]), 
         Protocol = tostring(ExtendedProperties.Protocol), 
         AlertManagementUri = tostring(ExtendedProperties.AlertManagementUri)
| project
  TimeGenerated,
  DeviceId,
  ProductName,
  ProductComponentName,
  AlertSeverity,
  AlertName,
  Description,
  Protocol,
  SourceDeviceAddress,
  DestDeviceAddress,
  RemediationSteps,
  Tactics,
  Entities,
  VendorOriginalId,
  AlertLink,
  AlertManagementUri,
  Techniques

YAML

requiredDataConnectors:
- connectorId: IoT
  dataTypes:
  - SecurityAlert (ASC for IoT)
query: |
  SecurityAlert
  | where ProviderName == "IoTSecurity"
  | where AlertName in ("Excessive Login Attempts","Excessive SMB login attempts","Password Guessing Attempt Detected","Excessive Number of Sessions") 
  | extend ExtendedProperties = parse_json(ExtendedProperties)
  | where tostring(ExtendedProperties.isNew) == "True"
  | extend DeviceId = tostring(ExtendedProperties.DeviceId), 
           SourceDeviceAddress = tostring(ExtendedProperties.SourceDeviceAddress), 
           DestDeviceAddress = tostring(ExtendedProperties.DestinationDeviceAddress), 
           RemediationSteps = tostring(parse_json(RemediationSteps)[0]), 
           Protocol = tostring(ExtendedProperties.Protocol), 
           AlertManagementUri = tostring(ExtendedProperties.AlertManagementUri)
  | project
    TimeGenerated,
    DeviceId,
    ProductName,
    ProductComponentName,
    AlertSeverity,
    AlertName,
    Description,
    Protocol,
    SourceDeviceAddress,
    DestDeviceAddress,
    RemediationSteps,
    Tactics,
    Entities,
    VendorOriginalId,
    AlertLink,
    AlertManagementUri,
    Techniques  
sentinelEntitiesMappings:
- columnName: Entities
version: 1.0.3
triggerOperator: gt
queryPeriod: 5m
triggerThreshold: 0
kind: Scheduled
status: Available
relevantTechniques:
- T0806
name: Excessive Login Attempts (Microsoft Defender for IoT)
description: |
    'This alert leverages Defender for IoT to detect excessive login attempts that may indicate improper service configuration, human error, or malicious activity on the network such as a cyber threat attempting to manipulate the SCADA network.'
severity: High
tactics:
- ImpairProcessControl
customDetails:
  AlertManagementUri: AlertManagementUri
  VendorOriginalId: VendorOriginalId
  Protocol: Protocol
  Sensor: DeviceId
alertDetailsOverride:
  alertTacticsColumnName: Tactics
  alertDisplayNameFormat: (MDIoT) {{AlertName}}
  alertSeverityColumnName: AlertSeverity
  alertDescriptionFormat: (MDIoT) {{Description}}
  alertDynamicProperties:
  - value: ProductName
    alertProperty: ProductName
  - value: RemediationSteps
    alertProperty: RemediationSteps
  - value: Techniques
    alertProperty: Techniques
  - value: ProductComponentName
    alertProperty: ProductComponentName
  - value: AlertLink
    alertProperty: AlertLink
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTExcessiveLoginAttempts.yaml
entityMappings: 
queryFrequency: 5m
eventGroupingSettings:
  aggregationKind: AlertPerResult
id: f5217b4c-3f1f-4d89-b4f3-5d7581da1c1c

ARM

{
  "$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/f5217b4c-3f1f-4d89-b4f3-5d7581da1c1c')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f5217b4c-3f1f-4d89-b4f3-5d7581da1c1c')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "(MDIoT) {{Description}}",
          "alertDisplayNameFormat": "(MDIoT) {{AlertName}}",
          "alertDynamicProperties": [
            {
              "alertProperty": "ProductName",
              "value": "ProductName"
            },
            {
              "alertProperty": "RemediationSteps",
              "value": "RemediationSteps"
            },
            {
              "alertProperty": "Techniques",
              "value": "Techniques"
            },
            {
              "alertProperty": "ProductComponentName",
              "value": "ProductComponentName"
            },
            {
              "alertProperty": "AlertLink",
              "value": "AlertLink"
            }
          ],
          "alertSeverityColumnName": "AlertSeverity",
          "alertTacticsColumnName": "Tactics"
        },
        "alertRuleTemplateName": "f5217b4c-3f1f-4d89-b4f3-5d7581da1c1c",
        "customDetails": {
          "AlertManagementUri": "AlertManagementUri",
          "Protocol": "Protocol",
          "Sensor": "DeviceId",
          "VendorOriginalId": "VendorOriginalId"
        },
        "description": "'This alert leverages Defender for IoT to detect excessive login attempts that may indicate improper service configuration, human error, or malicious activity on the network such as a cyber threat attempting to manipulate the SCADA network.'\n",
        "displayName": "Excessive Login Attempts (Microsoft Defender for IoT)",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTExcessiveLoginAttempts.yaml",
        "query": "SecurityAlert\n| where ProviderName == \"IoTSecurity\"\n| where AlertName in (\"Excessive Login Attempts\",\"Excessive SMB login attempts\",\"Password Guessing Attempt Detected\",\"Excessive Number of Sessions\") \n| extend ExtendedProperties = parse_json(ExtendedProperties)\n| where tostring(ExtendedProperties.isNew) == \"True\"\n| extend DeviceId = tostring(ExtendedProperties.DeviceId), \n         SourceDeviceAddress = tostring(ExtendedProperties.SourceDeviceAddress), \n         DestDeviceAddress = tostring(ExtendedProperties.DestinationDeviceAddress), \n         RemediationSteps = tostring(parse_json(RemediationSteps)[0]), \n         Protocol = tostring(ExtendedProperties.Protocol), \n         AlertManagementUri = tostring(ExtendedProperties.AlertManagementUri)\n| project\n  TimeGenerated,\n  DeviceId,\n  ProductName,\n  ProductComponentName,\n  AlertSeverity,\n  AlertName,\n  Description,\n  Protocol,\n  SourceDeviceAddress,\n  DestDeviceAddress,\n  RemediationSteps,\n  Tactics,\n  Entities,\n  VendorOriginalId,\n  AlertLink,\n  AlertManagementUri,\n  Techniques\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "sentinelEntitiesMappings": [
          {
            "columnName": "Entities"
          }
        ],
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "ImpairProcessControl"
        ],
        "techniques": null,
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}