ApexOne - Suspicious commandline arguments

Back


Id	4d7199b2-67b8-11ec-90d6-0242ac120003
Rulename	ApexOne - Suspicious commandline arguments
Description	Detects suspicious commandline arguments.
Severity	High
Tactics	Execution
Techniques	T1059
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/TMApexOneCommandLineSuspiciousRequests.yaml
Version	1.0.3
Arm template	4d7199b2-67b8-11ec-90d6-0242ac120003.json

KQL

TMApexOneEvent
| where EventMessage has "Endpoint Application"
| where Command has_any ("whoami", "dpkg", "useradd", "sudo")
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName

YAML

name: ApexOne - Suspicious commandline arguments
severity: High
description: |
    'Detects suspicious commandline arguments.'
version: 1.0.3
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
tactics:
- Execution
relevantTechniques:
- T1059
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
triggerThreshold: 0
status: Available
queryPeriod: 1h
kind: Scheduled
triggerOperator: gt
query: |
  TMApexOneEvent
  | where EventMessage has "Endpoint Application"
  | where Command has_any ("whoami", "dpkg", "useradd", "sudo")
  | extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName  
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneCommandLineSuspiciousRequests.yaml
id: 4d7199b2-67b8-11ec-90d6-0242ac120003

ARM