UniFi Site Manager WAN uptime below 99

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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 Site Manager (CCF)/Analytic Rules/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

entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: SiteId
  - identifier: DnsDomain
    columnName: SiteName
tactics:
- Impact
requiredDataConnectors:
- dataTypes:
  - Unifi_SiteManager_Sites_CL
  connectorId: UniFiSiteManagerConnectorDefinition
incidentConfiguration:
  groupingConfiguration:
    enabled: true
    lookbackDuration: PT5H
    reopenClosedIncident: false
    matchingMethod: AllEntities
  createIncident: true
id: 2bb29f25-833a-5544-4a8e-9bf6c4d8da56
severity: Medium
subTechniques:
- T1499.002
status: Available
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)  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/UniFi Site Manager (CCF)/Analytic Rules/UniFiCloudWANuptimebelow99.yaml
kind: Scheduled
queryPeriod: 1h
version: 1.0.1
name: 'UniFi Site Manager: WAN uptime below 99%'
queryFrequency: 1h
triggerThreshold: 0
relevantTechniques:
- T1499
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.
triggerOperator: gt

ARM