UniFi Site Manager WAN uptime below 99 | Microsoft Sentinel Analytic Rules

Back


Id	2bb29f25-833a-5544-4a8e-9bf6c4d8da56
Rulename	UniFi Site Manager: WAN uptime below 99%
Description	Identifies when site WAN uptime falls below 99 percent, an SLA-grade availability problem. Combine with the ISP Downtime rule for root-cause attribution.
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/UniFiCloudWANuptimebelow99.yaml
Version	1.0.1
Arm template	2bb29f25-833a-5544-4a8e-9bf6c4d8da56.json

KQL

Unifi_SiteManager_Sites_CL
      | where TimeGenerated > ago(1h)
| extend wanUptime = WanUptimePct
      | where isnotnull(wanUptime) and wanUptime < 99.0
      | summarize arg_max(TimeGenerated, *) by SiteId, SiteName
      | extend Activity = strcat('WAN uptime ', round(wanUptime, 2), '% (below 99% SLA threshold)')
      | project TimeGenerated, SiteId, SiteName, Activity, WanUptimePct = round(wanUptime, 2)

YAML

subTechniques:
- T1499.002
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: PT5H
    reopenClosedIncident: false
    matchingMethod: AllEntities
    enabled: true
  createIncident: true
name: 'UniFi Site Manager: WAN uptime below 99%'
triggerOperator: gt
query: |
  Unifi_SiteManager_Sites_CL
        | where TimeGenerated > ago(1h)
  | extend wanUptime = WanUptimePct
        | where isnotnull(wanUptime) and wanUptime < 99.0
        | summarize arg_max(TimeGenerated, *) by SiteId, SiteName
        | extend Activity = strcat('WAN uptime ', round(wanUptime, 2), '% (below 99% SLA threshold)')
        | project TimeGenerated, SiteId, SiteName, Activity, WanUptimePct = round(wanUptime, 2)
queryFrequency: 1h
description: |
  Identifies when site WAN uptime falls below 99 percent, an SLA-grade availability problem. Combine with the ISP Downtime rule for root-cause attribution.
id: 2bb29f25-833a-5544-4a8e-9bf6c4d8da56
triggerThreshold: 0
queryPeriod: 1h
version: 1.0.1
kind: Scheduled
status: Available
severity: Medium
requiredDataConnectors:
- connectorId: UniFiSiteManagerConnectorDefinition
  dataTypes:
  - Unifi_SiteManager_Sites_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/UniFi%20Site%20Manager%20%28CCF%29/Analytic%20Rules/UniFiCloudWANuptimebelow99.yaml
relevantTechniques:
- T1499
tactics:
- Impact
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: SiteId
  - identifier: DnsDomain
    columnName: SiteName
  entityType: Host

ARM

{
  "$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/2bb29f25-833a-5544-4a8e-9bf6c4d8da56')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2bb29f25-833a-5544-4a8e-9bf6c4d8da56')]",
      "properties": {
        "alertRuleTemplateName": "2bb29f25-833a-5544-4a8e-9bf6c4d8da56",
        "customDetails": null,
        "description": "Identifies when site WAN uptime falls below 99 percent, an SLA-grade availability problem. Combine with the ISP Downtime rule for root-cause attribution.\n",
        "displayName": "UniFi Site Manager: WAN uptime below 99%",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "SiteId",
                "identifier": "HostName"
              },
              {
                "columnName": "SiteName",
                "identifier": "DnsDomain"
              }
            ]
          }
        ],
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/UniFi%20Site%20Manager%20%28CCF%29/Analytic%20Rules/UniFiCloudWANuptimebelow99.yaml",
        "query": "Unifi_SiteManager_Sites_CL\n      | where TimeGenerated > ago(1h)\n| extend wanUptime = WanUptimePct\n      | where isnotnull(wanUptime) and wanUptime < 99.0\n      | summarize arg_max(TimeGenerated, *) by SiteId, SiteName\n      | extend Activity = strcat('WAN uptime ', round(wanUptime, 2), '% (below 99% SLA threshold)')\n      | project TimeGenerated, SiteId, SiteName, Activity, WanUptimePct = round(wanUptime, 2)\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"
    }
  ]
}