// MITRE ATT&CK
T1546.002 · Screensaver
Sub-technique of T1546 · Event Triggered Execution.
Adversaries may establish persistence by executing malicious content triggered by user inactivity. Screensavers are programs that execute after a configurable time of user inactivity and consist of Portable Executable (PE) files with a .scr file extension.(Citation: Wikipedia Screensaver) The Window...
How to detect & mitigate it
Detecting Screensaver starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.
Related techniques
T1546.013
PowerShell Profile T1546.006
LC_LOAD_DYLIB Addition T1548.002
Bypass User Account Control T1548.003
Sudo and Sudo Caching T1546.011
Application Shimming T1611
Escape to Host T1546.005
Trap T1548
Abuse Elevation Control Mechanism
PowerShell Profile T1546.006
LC_LOAD_DYLIB Addition T1548.002
Bypass User Account Control T1548.003
Sudo and Sudo Caching T1546.011
Application Shimming T1611
Escape to Host T1546.005
Trap T1548
Abuse Elevation Control Mechanism
Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.