Adversaries may modify plist files to automatically run an application when a user logs in. When a user logs out or restarts via the macOS Graphical User Interface (GUI), a prompt is provided to the user with a checkbox to "Reopen windows when logging back in".[1] When selected, all applications currently open are added to a property list file named com.apple.loginwindow.[UUID].plist within the ~/Library/Preferences/ByHost directory.[2],[3] Applications listed in this file are automatically reopened upon the user’s next logon.
Adversaries can establish Persistence by adding a malicious application path to the com.apple.loginwindow.[UUID].plist file to execute payloads when a user logs in.
References
- Apple. (2016, December 6). Automatically re-open windows, apps, and documents on your Mac. Retrieved July 11, 2017.
- Patrick Wardle. (2014, September). Methods of Malware Persistence on Mac OS X. Retrieved July 5, 2017.
- Patrick Wardle. (n.d.). Chapter 0x2: Persistence. Retrieved April 13, 2022.
Свързани задачи
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