Potential Modification of Accessibility Binariesedit

Windows contains accessibility features that may be launched with a key combination before a user has logged in. An adversary can modify the way these programs are launched to get a command prompt or backdoor without logging in to the system.

Rule type: query

Rule indices:

  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100


  • Elastic
  • Windows

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

Rule queryedit

event.code:1 and process.parent.name:winlogon.exe and
process.name:(atbroker.exe or displayswitch.exe or magnify.exe or
narrator.exe or osk.exe or sethc.exe or utilman.exe)

Threat mappingedit


Rule version historyedit

Version 2 (7.7.0 release)

Updated query, changed from:

event.code:1 and process.parent.name:winlogon.exe and
(process.name:atbroker.exe or process.name:displayswitch.exe or
process.name:magnify.exe or process.name:narrator.exe or
process.name:osk.exe or process.name:sethc.exe or