Suspicious malware found in the network Microsoft Defender for IoT

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Id	6fb1acd5-356d-40f7-9b97-78d993c6a183
Rulename	Suspicious malware found in the network (Microsoft Defender for IoT)
Description	This alert leverages Defender for IoT to detect IoT/OT malware found on the network indicating possible attempts to compromise production systems.
Severity	High
Tactics	Impact
Techniques	T0882
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/IoTMalware.yaml
Version	1.0.3
Arm template	6fb1acd5-356d-40f7-9b97-78d993c6a183.json

KQL

let alertList = dynamic(["Malware", "Suspicion of Malicious Activity", "Invalid SMB Message (DoublePulsar Backdoor Implant)", "Connection Attempt to Known Malicious IP", "Malicious Domain Name Request", "Suspicion of Remote Code Execution with PsExec", "Suspicion of Remote Windows Service Management", "Suspicious Executable File Detected on Endpoint", "Suspicious Traffic Detected"]);
SecurityAlert
| where ProviderName == "IoTSecurity"
| where AlertName has_any (alertList) 
| 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

id: 6fb1acd5-356d-40f7-9b97-78d993c6a183
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTMalware.yaml
entityMappings: 
requiredDataConnectors:
- dataTypes:
  - SecurityAlert (ASC for IoT)
  connectorId: IoT
sentinelEntitiesMappings:
- columnName: Entities
queryFrequency: 5m
alertDetailsOverride:
  alertSeverityColumnName: AlertSeverity
  alertDescriptionFormat: (MDIoT) {{Description}}
  alertDisplayNameFormat: (MDIoT) {{AlertName}}
  alertTacticsColumnName: Tactics
  alertDynamicProperties:
  - alertProperty: ProductName
    value: ProductName
  - alertProperty: RemediationSteps
    value: RemediationSteps
  - alertProperty: Techniques
    value: Techniques
  - alertProperty: ProductComponentName
    value: ProductComponentName
  - alertProperty: AlertLink
    value: AlertLink
queryPeriod: 5m
status: Available
query: |
  let alertList = dynamic(["Malware", "Suspicion of Malicious Activity", "Invalid SMB Message (DoublePulsar Backdoor Implant)", "Connection Attempt to Known Malicious IP", "Malicious Domain Name Request", "Suspicion of Remote Code Execution with PsExec", "Suspicion of Remote Windows Service Management", "Suspicious Executable File Detected on Endpoint", "Suspicious Traffic Detected"]);
  SecurityAlert
  | where ProviderName == "IoTSecurity"
  | where AlertName has_any (alertList) 
  | 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  
name: Suspicious malware found in the network (Microsoft Defender for IoT)
kind: Scheduled
tactics:
- Impact
severity: High
relevantTechniques:
- T0882
triggerThreshold: 0
version: 1.0.3
description: |
    'This alert leverages Defender for IoT to detect IoT/OT malware found on the network indicating possible attempts to compromise production systems.'
customDetails:
  VendorOriginalId: VendorOriginalId
  Protocol: Protocol
  AlertManagementUri: AlertManagementUri
  Sensor: DeviceId

ARM