The function then uses the built-in Shell function to run the following command, which effectively executes the .sct file stored in 12-B-366.txt:       regsvr32.exe /s /n /u /i:%TEMP%\12-B-366.txt scrobj.dll     The use of the legitimate regsvr32.exe application to run a .sct file is an AppLocker bypass technique originally discovered by Casey Smith (@subtee), which eventually resulted in a Metasploit module