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 | 1.0.2 |
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)
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.'
tactics:
- Impact
requiredDataConnectors:
- dataTypes:
- SecurityAlert (ASC for IoT)
connectorId: IoT
queryPeriod: 5m
customDetails:
VendorOriginalId: VendorOriginalId
Sensor: DeviceId
AlertManagementUri: AlertManagementUri
Protocol: Protocol
queryFrequency: 5m
status: Available
triggerThreshold: 0
id: 6fb1acd5-356d-40f7-9b97-78d993c6a183
version: 1.0.2
triggerOperator: gt
alertDetailsOverride:
alertDisplayNameFormat: (MDIoT) {{AlertName}}
alertTacticsColumnName: Tactics
alertDescriptionFormat: (MDIoT) {{Description}}
alertDynamicProperties:
- alertProperty: ProductName
value: ProductName
- alertProperty: RemediationSteps
value: RemediationSteps
- alertProperty: Techniques
value: Techniques
- alertProperty: ProductComponentName
value: ProductComponentName
- alertProperty: AlertLink
value: AlertLink
alertSeverityColumnName: AlertSeverity
relevantTechniques:
- T0882
eventGroupingSettings:
aggregationKind: AlertPerResult
severity: High
kind: Scheduled
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: SourceDeviceAddress
- entityType: IP
fieldMappings:
- identifier: Address
columnName: DestDeviceAddress
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTMalware.yaml
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2023-02-01-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": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "SourceDeviceAddress",
"identifier": "Address"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "DestDeviceAddress",
"identifier": "Address"
}
]
}
],
"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",
"severity": "High",
"status": "Available",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": null,
"templateVersion": "1.0.2",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}