Ubiquiti - Unknown MAC Joined AP
Id | 9757cee3-1a6c-4d8e-a968-3b7e48ded690 |
Rulename | Ubiquiti - Unknown MAC Joined AP |
Description | Detects when device with unseen MAC Address joined AP. |
Severity | Medium |
Tactics | InitialAccess |
Techniques | T1133 |
Required data connectors | CustomLogsAma UbiquitiUnifi |
Kind | Scheduled |
Query frequency | 1h |
Query period | 14d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiUnknownMacJoined.yaml |
Version | 1.0.1 |
Arm template | 9757cee3-1a6c-4d8e-a968-3b7e48ded690.json |
let lbperiod = 14d;
let lbperiod_24h = 24h;
let known_macs = UbiquitiAuditEvent
| where TimeGenerated between (ago(lbperiod) .. ago(lbperiod_24h))
| where DvcAction =~ 'JOIN'
| summarize makeset(SrcMacAddr);
UbiquitiAuditEvent
| where DvcAction =~ 'JOIN'
| where SrcMacAddr !in (known_macs)
| extend Device = SrcMacAddr
| extend HostCustomEntity = Device
kind: Scheduled
relevantTechniques:
- T1133
description: |
'Detects when device with unseen MAC Address joined AP.'
queryPeriod: 14d
queryFrequency: 1h
tactics:
- InitialAccess
name: Ubiquiti - Unknown MAC Joined AP
requiredDataConnectors:
- connectorId: UbiquitiUnifi
dataTypes:
- UbiquitiAuditEvent
- connectorId: CustomLogsAma
dataTypes:
- Ubiquiti_CL
entityMappings:
- entityType: Host
fieldMappings:
- identifier: FullName
columnName: HostCustomEntity
triggerThreshold: 0
version: 1.0.1
id: 9757cee3-1a6c-4d8e-a968-3b7e48ded690
query: |
let lbperiod = 14d;
let lbperiod_24h = 24h;
let known_macs = UbiquitiAuditEvent
| where TimeGenerated between (ago(lbperiod) .. ago(lbperiod_24h))
| where DvcAction =~ 'JOIN'
| summarize makeset(SrcMacAddr);
UbiquitiAuditEvent
| where DvcAction =~ 'JOIN'
| where SrcMacAddr !in (known_macs)
| extend Device = SrcMacAddr
| extend HostCustomEntity = Device
status: Available
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiUnknownMacJoined.yaml
severity: Medium
{
"$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/9757cee3-1a6c-4d8e-a968-3b7e48ded690')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9757cee3-1a6c-4d8e-a968-3b7e48ded690')]",
"properties": {
"alertRuleTemplateName": "9757cee3-1a6c-4d8e-a968-3b7e48ded690",
"customDetails": null,
"description": "'Detects when device with unseen MAC Address joined AP.'\n",
"displayName": "Ubiquiti - Unknown MAC Joined AP",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostCustomEntity",
"identifier": "FullName"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiUnknownMacJoined.yaml",
"query": "let lbperiod = 14d;\nlet lbperiod_24h = 24h;\nlet known_macs = UbiquitiAuditEvent\n| where TimeGenerated between (ago(lbperiod) .. ago(lbperiod_24h))\n| where DvcAction =~ 'JOIN'\n| summarize makeset(SrcMacAddr);\nUbiquitiAuditEvent\n| where DvcAction =~ 'JOIN'\n| where SrcMacAddr !in (known_macs)\n| extend Device = SrcMacAddr\n| extend HostCustomEntity = Device\n",
"queryFrequency": "PT1H",
"queryPeriod": "P14D",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1133"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}