Adversaries may use Windows logon scripts automatically executed at logon initialization to establish persistence. Windows allows logon scripts to be run whenever a specific user or group of users log into a system.(Citation: TechNet Logon Scripts) This is done via adding a path to a script to the HKCU\Environment\UserInitMprLogonScript Registry key.(Citation: Hexacorn Logon Scripts) Adversaries may use these scripts to maintain persistence on a single system. Depending on the access configuration of the logon scripts, either local credentials or an administrator account may be necessary.

Linked Issues

Issuelinks
Linktyp Issue
is related to Techniques
is blocked by Restrict Registry Permissions
is blocked by Detect Logon Script Modifications and Execution
is blocked by Least Functionality
is blocked by Remote Access
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