
title: Suspicious Debugger Registration Cmdline
author: Florian Roth, oscd.community, Jonhnathan Ribeiro
date: 2019/09/06
description: Detects the registration of a debugger for a program that is available
  in the logon screen (sticky key backdoor).
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    CommandLine: '*\CurrentVersion\Image File Execution Options\\*'
  SELECTION_3:
    CommandLine:
    - '*sethc.exe*'
    - '*utilman.exe*'
    - '*osk.exe*'
    - '*magnify.exe*'
    - '*narrator.exe*'
    - '*displayswitch.exe*'
    - '*atbroker.exe*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- Penetration Tests
id: ae215552-081e-44c7-805f-be16f975c8a2
level: high
logsource:
  category: process_creation
  product: windows
references:
- https://blogs.technet.microsoft.com/jonathantrull/2016/10/03/detecting-sticky-key-backdoors/
status: experimental
tags:
- attack.persistence
- attack.privilege_escalation
- attack.t1546.008
- attack.t1015
ruletype: SIGMA
