ApexOne - Suspicious connections

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Id	9e3dc038-67b7-11ec-90d6-0242ac120003
Rulename	ApexOne - Suspicious connections
Description	Detects suspicious connections.
Severity	High
Tactics	CommandAndControl
Techniques	T1102
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/TMApexOneSuspiciousConnections.yaml
Version	1.0.3
Arm template	9e3dc038-67b7-11ec-90d6-0242ac120003.json

KQL

TMApexOneEvent
| where EventMessage has "Suspicious Connection"
| where NetworkDirection == 1 
| where DvcAction in ('1', '3')
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName

YAML

query: |
  TMApexOneEvent
  | where EventMessage has "Suspicious Connection"
  | where NetworkDirection == 1 
  | where DvcAction in ('1', '3')
  | extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName  
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
- entityType: Account
  fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
triggerThreshold: 0
name: ApexOne - Suspicious connections
severity: High
relevantTechniques:
- T1102
queryPeriod: 1h
tactics:
- CommandAndControl
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
queryFrequency: 1h
version: 1.0.3
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneSuspiciousConnections.yaml
id: 9e3dc038-67b7-11ec-90d6-0242ac120003
kind: Scheduled
description: |
    'Detects suspicious connections.'
status: Available
triggerOperator: gt

ARM