ApexOne - Inbound remote access connection

Back


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

name: ApexOne - Inbound remote access connection
id: 6303235a-ee70-42a4-b969-43e7b969b916
description: |
    'Detects inbound remote access connection.'
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
version: 1.0.3
triggerOperator: gt
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
kind: Scheduled
queryFrequency: 1h
severity: High
queryPeriod: 1h
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneInboundRemoteAccess.yaml
relevantTechniques:
- T1021

ARM