Ubiquiti - Unusual traffic

Back


Id	31e868c0-91d3-40eb-accc-3fa73aa96f8e
Rulename	Ubiquiti - Unusual traffic
Description	Detects unusual traffic masking as HTTP(S).
Severity	Medium
Tactics	CommandAndControl
Techniques	T1573
Required data connectors	CustomLogsAma
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/Ubiquiti UniFi/Analytic Rules/UbiquitiUnusualTraffic.yaml
Version	1.0.3
Arm template	31e868c0-91d3-40eb-accc-3fa73aa96f8e.json

KQL

UbiquitiAuditEvent
| where EventCategory =~ 'firewall'
| where DstPortNumber in ('80', '443')
| where NetworkProtocol !~ 'TCP'
| extend IPCustomEntity = SrcIpAddr

YAML

queryPeriod: 1h
kind: Scheduled
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
requiredDataConnectors:
- connectorId: CustomLogsAma
  dataTypes:
  - Ubiquiti_CL
description: |
    'Detects unusual traffic masking as HTTP(S).'
queryFrequency: 1h
triggerOperator: gt
query: |
  UbiquitiAuditEvent
  | where EventCategory =~ 'firewall'
  | where DstPortNumber in ('80', '443')
  | where NetworkProtocol !~ 'TCP'
  | extend IPCustomEntity = SrcIpAddr  
name: Ubiquiti - Unusual traffic
id: 31e868c0-91d3-40eb-accc-3fa73aa96f8e
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiUnusualTraffic.yaml
severity: Medium
version: 1.0.3
status: Available
relevantTechniques:
- T1573
triggerThreshold: 0
tactics:
- CommandAndControl

ARM