Ubiquiti - SSH from external source

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Id	0998a19d-8451-4cdd-8493-fc342816a197
Rulename	Ubiquiti - SSH from external source
Description	Detects remote to local (R2L) SSH connection to internal host.
Severity	Medium
Tactics	InitialAccess
Techniques	T1133
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/UbiquitiR2LSSH.yaml
Version	1.0.2
Arm template	0998a19d-8451-4cdd-8493-fc342816a197.json

KQL

UbiquitiAuditEvent
| where EventCategory =~ 'firewall'
| where ipv4_is_private(SrcIpAddr) == 'False'
| where ipv4_is_private(DstIpAddr)
| where DstPortNumber == '22'
| extend IPCustomEntity = DstIpAddr

YAML

name: Ubiquiti - SSH from external source
severity: Medium
description: |
    'Detects remote to local (R2L) SSH connection to internal host.'
version: 1.0.2
requiredDataConnectors:
- dataTypes:
  - Ubiquiti_CL
  connectorId: CustomLogsAma
tactics:
- InitialAccess
relevantTechniques:
- T1133
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
triggerThreshold: 0
status: Available
queryPeriod: 1h
kind: Scheduled
triggerOperator: gt
query: |
  UbiquitiAuditEvent
  | where EventCategory =~ 'firewall'
  | where ipv4_is_private(SrcIpAddr) == 'False'
  | where ipv4_is_private(DstIpAddr)
  | where DstPortNumber == '22'
  | extend IPCustomEntity = DstIpAddr  
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiR2LSSH.yaml
id: 0998a19d-8451-4cdd-8493-fc342816a197

ARM