Suspicious malware found in the network Microsoft Defender for IoT
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 |
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
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTMalware.yaml
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
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
requiredDataConnectors:
- dataTypes:
- SecurityAlert (ASC for IoT)
connectorId: IoT
sentinelEntitiesMappings:
- columnName: Entities
eventGroupingSettings:
aggregationKind: AlertPerResult
name: Suspicious malware found in the network (Microsoft Defender for IoT)
triggerThreshold: 0
version: 1.0.3
customDetails:
Sensor: DeviceId
Protocol: Protocol
AlertManagementUri: AlertManagementUri
VendorOriginalId: VendorOriginalId
tactics:
- Impact
alertDetailsOverride:
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
alertDisplayNameFormat: (MDIoT) {{AlertName}}
alertTacticsColumnName: Tactics
relevantTechniques:
- T0882
triggerOperator: gt
entityMappings:
id: 6fb1acd5-356d-40f7-9b97-78d993c6a183
status: Available
kind: Scheduled
queryFrequency: 5m
queryPeriod: 5m
{
"$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/6fb1acd5-356d-40f7-9b97-78d993c6a183')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6fb1acd5-356d-40f7-9b97-78d993c6a183')]",
"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": "6fb1acd5-356d-40f7-9b97-78d993c6a183",
"customDetails": {
"AlertManagementUri": "AlertManagementUri",
"Protocol": "Protocol",
"Sensor": "DeviceId",
"VendorOriginalId": "VendorOriginalId"
},
"description": "'This alert leverages Defender for IoT to detect IoT/OT malware found on the network indicating possible attempts to compromise production systems.'\n",
"displayName": "Suspicious malware found in the network (Microsoft Defender for IoT)",
"enabled": true,
"entityMappings": null,
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTMalware.yaml",
"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\"]);\nSecurityAlert\n| where ProviderName == \"IoTSecurity\"\n| where AlertName has_any (alertList) \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": [
"Impact"
],
"techniques": null,
"templateVersion": "1.0.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}