ApexOne - Inbound remote access connection

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Id	6303235a-ee70-42a4-b969-43e7b969b916
Rulename	ApexOne - Inbound remote access connection
Description	Detects inbound remote access connection.
Severity	High
Tactics	LateralMovement
Techniques	T1021
Required data connectors	CefAma
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/Trend Micro Apex One/Analytic Rules/TMApexOneInboundRemoteAccess.yaml
Version	1.0.3
Arm template	6303235a-ee70-42a4-b969-43e7b969b916.json

KQL

TMApexOneEvent
| where EventSubType has "WB"
| where NetworkDirection == 1
| where ApplicationProtocol in ('15', '17', '20', '22', '23', '27', '36', '37')
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName

YAML

queryPeriod: 1h
description: |
    'Detects inbound remote access connection.'
kind: Scheduled
query: |
  TMApexOneEvent
  | where EventSubType has "WB"
  | where NetworkDirection == 1
  | where ApplicationProtocol in ('15', '17', '20', '22', '23', '27', '36', '37')
  | extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName  
tactics:
- LateralMovement
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneInboundRemoteAccess.yaml
id: 6303235a-ee70-42a4-b969-43e7b969b916
version: 1.0.3
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
triggerThreshold: 0
status: Available
relevantTechniques:
- T1021
name: ApexOne - Inbound remote access connection
severity: High
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
queryFrequency: 1h

ARM