Boot or Logon Autostart Execution: Re-opened Applications
Other sub-techniques of Boot or Logon Autostart Execution (12)
Adversaries may modify plist files to automatically run an application when a user logs in. Starting in Mac OS X 10.7 (Lion), users can specify certain applications to be re-opened when a user logs into their machine after reboot. While this is usually done via a Graphical User Interface (GUI) on an app-by-app basis, there are property list files (plist) that contain this information as well located at
An adversary can modify one of these files directly to include a link to their malicious executable to provide a persistence mechanism each time the user reboots their machine .
|Disable or Remove Feature or Program||
This feature can be disabled entirely with the following terminal command:
Holding the Shift key while logging in prevents apps from opening automatically. 
Monitoring the specific plist files associated with reopening applications can indicate when an application has registered itself to be reopened.