Remote Access Utility - ScreenConnect Potential Suspicious Remote Command Execution (via process_creation)

This rule detects potentially anomalous child processes launched via the ScreenConnect client service.

SigmamediumWindowsv1
sigma
title: Remote Access Utility - ScreenConnect Potential Suspicious Remote Command Execution (via process_creation)
id: d8abce51-5fb4-5680-876f-0b89dd9a319f
status: stable
description: This rule detects potentially anomalous child processes launched via the ScreenConnect client service.
references:
    - https://attack.mitre.org/techniques/T1219/002/
    - https://www.mandiant.com/resources/telegram-malware-iranian-espionage
    - https://docs.connectwise.com/ConnectWise_Control_Documentation/Get_started/Host_client/View_menu/Backstage_mode
    - https://www.huntress.com/blog/slashandgrab-screen-connect-post-exploitation-in-the-wild-cve-2024-1709-cve-2024-1708
    - https://www.trendmicro.com/en_us/research/24/b/threat-actor-groups-including-black-basta-are-exploiting-recent-.html
author: Huntrule Team
date: 2026-03-05
tags:
    - attack.command-and-control
    - attack.t1219.002
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        ParentCommandLine|contains|all:
            - ':\Windows\TEMP\ScreenConnect\'
            - 'run.cmd'
        Image|endswith:
            - '\bitsadmin.exe'
            - '\cmd.exe'
            - '\curl.exe'
            - '\dllhost.exe'
            - '\net.exe'
            - '\nltest.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\rundll32.exe'
            - '\wevtutil.exe'
    condition: selection
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.