Possible Remote Access Utility - ScreenConnect Remote Command Execution (via process_creation)

title: Possible Remote Access Utility - ScreenConnect Remote Command Execution (via process_creation)
id: de24f571-4a6b-5703-a8db-3f201563d50b
status: stable
description: This rule detects the execution of a system command via the ScreenConnect RMM service.
references:
    - https://attack.mitre.org/techniques/T1059/003/
    - https://github.com/SigmaHQ/sigma/pull/4467
author: Huntrule Team
date: 2026-04-25
tags:
    - attack.execution
    - attack.t1059.003
logsource:
    category: process_creation
    product: windows
detection:
    selection_parent:
        ParentImage|endswith: '\ScreenConnect.ClientService.exe'
    selection_img:
        - Image|endswith: '\cmd.exe'
        - OriginalFileName: 'Cmd.Exe'
    selection_cli:
        CommandLine|contains: '\TEMP\ScreenConnect\'
    condition: all of selection_*
falsepositives:
    - Unknown
level: low