Analytic rule catalog
UniFi Site Manager ISP SLA Breach
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| Id | fecd4ab1-b24e-8413-9164-e3621c8d7caa |
| Rulename | UniFi Site Manager: ISP SLA Breach |
| Description | Identifies when ISP uptime falls below the SLA threshold. Useful for tracking SLA compliance and supporting ISP accountability conversations. |
| Severity | Medium |
| Tactics | Impact |
| Techniques | T1499 |
| Required data connectors | UniFiSiteManagerConnectorDefinition |
| Kind | Scheduled |
| Query frequency | 1h |
| Query period | 1h |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/UniFi%20Site%20Manager%20%28CCF%29/Analytic%20Rules/UniFiCloudISPSLABreach.yaml |
| Version | 1.0.1 |
| Arm template | fecd4ab1-b24e-8413-9164-e3621c8d7caa.json |
// UniFi ISP SLA Breach Detection
let SLAThreshold = 99.9;
Unifi_SiteManager_ISPMetrics_CL
| where TimeGenerated > ago(1h)
| mv-expand period = Periods
| extend
metricTime = todatetime(period.metricTime),
uptime = todouble(period.data.wan.uptime),
downtime = toint(period.data.wan.downtime),
ispName = tostring(period.data.wan.ispName),
ispAsn = tostring(period.data.wan.ispAsn),
siteIdStr = tostring(SiteId)
// De-duplicate Periods: each poll returns the same hour buckets, so collapse to latest value per metricTime
| summarize arg_max(TimeGenerated, uptime, downtime, ispAsn) by siteIdStr, ispName, metricTime
| where metricTime > ago(1h)
| summarize
AvgUptime = round(avg(uptime), 3),
MinUptime = round(min(uptime), 3),
TotalDowntimeSeconds = sum(downtime),
MeasurementCount = count()
by SiteId = siteIdStr, ispName, ispAsn
| where AvgUptime < SLAThreshold
| extend
TimeGenerated = now(),
SLATarget = SLAThreshold,
UptimeGap = round(SLAThreshold - AvgUptime, 3)
| project
TimeGenerated,
SiteId = SiteId,
ISPName = ispName,
ISPAsn = ispAsn,
AvgUptimePct = AvgUptime,
MinUptimePct = MinUptime,
SLATargetPct = SLATarget,
UptimeGapPct = UptimeGap,
TotalDowntimeSeconds,
MeasurementCount
subTechniques:
- T1499.002
incidentConfiguration:
groupingConfiguration:
lookbackDuration: P1D
reopenClosedIncident: false
matchingMethod: AllEntities
enabled: true
createIncident: true
name: 'UniFi Site Manager: ISP SLA Breach'
triggerOperator: gt
query: |
// UniFi ISP SLA Breach Detection
let SLAThreshold = 99.9;
Unifi_SiteManager_ISPMetrics_CL
| where TimeGenerated > ago(1h)
| mv-expand period = Periods
| extend
metricTime = todatetime(period.metricTime),
uptime = todouble(period.data.wan.uptime),
downtime = toint(period.data.wan.downtime),
ispName = tostring(period.data.wan.ispName),
ispAsn = tostring(period.data.wan.ispAsn),
siteIdStr = tostring(SiteId)
// De-duplicate Periods: each poll returns the same hour buckets, so collapse to latest value per metricTime
| summarize arg_max(TimeGenerated, uptime, downtime, ispAsn) by siteIdStr, ispName, metricTime
| where metricTime > ago(1h)
| summarize
AvgUptime = round(avg(uptime), 3),
MinUptime = round(min(uptime), 3),
TotalDowntimeSeconds = sum(downtime),
MeasurementCount = count()
by SiteId = siteIdStr, ispName, ispAsn
| where AvgUptime < SLAThreshold
| extend
TimeGenerated = now(),
SLATarget = SLAThreshold,
UptimeGap = round(SLAThreshold - AvgUptime, 3)
| project
TimeGenerated,
SiteId = SiteId,
ISPName = ispName,
ISPAsn = ispAsn,
AvgUptimePct = AvgUptime,
MinUptimePct = MinUptime,
SLATargetPct = SLATarget,
UptimeGapPct = UptimeGap,
TotalDowntimeSeconds,
MeasurementCount
queryFrequency: 1h
description: |
Identifies when ISP uptime falls below the SLA threshold. Useful for tracking SLA compliance and supporting ISP accountability conversations.
id: fecd4ab1-b24e-8413-9164-e3621c8d7caa
triggerThreshold: 0
queryPeriod: 1h
version: 1.0.1
kind: Scheduled
status: Available
severity: Medium
requiredDataConnectors:
- connectorId: UniFiSiteManagerConnectorDefinition
dataTypes:
- Unifi_SiteManager_ISPMetrics_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/UniFi%20Site%20Manager%20%28CCF%29/Analytic%20Rules/UniFiCloudISPSLABreach.yaml
relevantTechniques:
- T1499
tactics:
- Impact
entityMappings:
- fieldMappings:
- identifier: HostName
columnName: SiteId
entityType: Host
- fieldMappings:
- identifier: Name
columnName: ISPName
entityType: CloudApplication
{
"$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/fecd4ab1-b24e-8413-9164-e3621c8d7caa')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/fecd4ab1-b24e-8413-9164-e3621c8d7caa')]",
"properties": {
"alertRuleTemplateName": "fecd4ab1-b24e-8413-9164-e3621c8d7caa",
"customDetails": null,
"description": "Identifies when ISP uptime falls below the SLA threshold. Useful for tracking SLA compliance and supporting ISP accountability conversations.\n",
"displayName": "UniFi Site Manager: ISP SLA Breach",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "SiteId",
"identifier": "HostName"
}
]
},
{
"entityType": "CloudApplication",
"fieldMappings": [
{
"columnName": "ISPName",
"identifier": "Name"
}
]
}
],
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": true,
"lookbackDuration": "P1D",
"matchingMethod": "AllEntities",
"reopenClosedIncident": false
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/UniFi%20Site%20Manager%20%28CCF%29/Analytic%20Rules/UniFiCloudISPSLABreach.yaml",
"query": "// UniFi ISP SLA Breach Detection\nlet SLAThreshold = 99.9;\nUnifi_SiteManager_ISPMetrics_CL\n| where TimeGenerated > ago(1h)\n| mv-expand period = Periods\n| extend\n metricTime = todatetime(period.metricTime),\n uptime = todouble(period.data.wan.uptime),\n downtime = toint(period.data.wan.downtime),\n ispName = tostring(period.data.wan.ispName),\n ispAsn = tostring(period.data.wan.ispAsn),\n siteIdStr = tostring(SiteId)\n// De-duplicate Periods: each poll returns the same hour buckets, so collapse to latest value per metricTime\n| summarize arg_max(TimeGenerated, uptime, downtime, ispAsn) by siteIdStr, ispName, metricTime\n| where metricTime > ago(1h)\n| summarize\n AvgUptime = round(avg(uptime), 3),\n MinUptime = round(min(uptime), 3),\n TotalDowntimeSeconds = sum(downtime),\n MeasurementCount = count()\n by SiteId = siteIdStr, ispName, ispAsn\n| where AvgUptime < SLAThreshold\n| extend \n TimeGenerated = now(),\n SLATarget = SLAThreshold,\n UptimeGap = round(SLAThreshold - AvgUptime, 3)\n| project\n TimeGenerated,\n SiteId = SiteId,\n ISPName = ispName,\n ISPAsn = ispAsn,\n AvgUptimePct = AvgUptime,\n MinUptimePct = MinUptime,\n SLATargetPct = SLATarget,\n UptimeGapPct = UptimeGap,\n TotalDowntimeSeconds,\n MeasurementCount\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1499"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}