Winlogon Notify Key Logon Persistence

Title: Winlogon Notify Key Logon Persistence
Status: test
Description:Adversaries may abuse features of Winlogon to execute DLLs and/or executables when a user logs in. Winlogon.exe is a Windows component responsible for actions at logon/logoff as well as the secure attention sequence (SAS) triggered by Ctrl-Alt-Delete.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.004/T1547.004.md#atomic-test-3---winlogon-notify-key-logon-persistence---powershell
Author: frack113
Date: 2021-12-30
modified:2023-08-17
Tags:

• -'attack.privilege-escalation'
• -'attack.persistence'
• -'attack.t1547.004'

Logsource:

• category: registry_set
• product: windows

Detection:
  selection:
    TargetObject|endswith: '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon'
    Details|endswith: '.dll'
  condition:selection
Falsepositives:
  -Unknown
Level: high