IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
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 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
Tags:
- Elastic
- Windows
Rule version: 1
Added (Elastic Stack release): 7.6.0
Rule queryedit
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 process.name:utilman.exe)
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Accessibility Features
- ID: T1015
- Reference URL: https://attack.mitre.org/techniques/T1015/
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Accessibility Features
- ID: T1015
- Reference URL: https://attack.mitre.org/techniques/T1015/