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
name: Suspicious malware found in the network (Microsoft Defender for IoT)
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTMalware.yaml
queryPeriod: 5m
sentinelEntitiesMappings:
- columnName: Entities
version: 1.0.3
severity: High
id: 6fb1acd5-356d-40f7-9b97-78d993c6a183
triggerOperator: gt
triggerThreshold: 0
kind: Scheduled
customDetails:
Protocol: Protocol
Sensor: DeviceId
AlertManagementUri: AlertManagementUri
VendorOriginalId: VendorOriginalId
requiredDataConnectors:
- dataTypes:
- SecurityAlert (ASC for IoT)
connectorId: IoT
eventGroupingSettings:
aggregationKind: AlertPerResult
relevantTechniques:
- T0882
description: |
'This alert leverages Defender for IoT to detect IoT/OT malware found on the network indicating possible attempts to compromise production systems.'
alertDetailsOverride:
alertDynamicProperties:
- alertProperty: ProductName
value: ProductName
- alertProperty: RemediationSteps
value: RemediationSteps
- alertProperty: Techniques
value: Techniques
- alertProperty: ProductComponentName
value: ProductComponentName
- alertProperty: AlertLink
value: AlertLink
alertDisplayNameFormat: (MDIoT) {{AlertName}}
alertTacticsColumnName: Tactics
alertSeverityColumnName: AlertSeverity
alertDescriptionFormat: (MDIoT) {{Description}}
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
tactics:
- Impact
entityMappings:
status: Available
queryFrequency: 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"
}
]
}