Blacklisting Applications
I had an email from a partner of ours who was looking to stop a user from changing the time on a Windows Mobile device.
I discovered that this can be achieved quite easily by modifying the following registry key. HKLM\Software\Microsoft\Clock\AppState
If it’s 11 hex they can change the time – if it’s 10 hex the clock applet won’t run.
This then lead to a broader discussion of whether it is possible to prevent certain applications from being run. My colleague Rabi Satter directed me to a great blog article he has written which describes how to setup a list of programs that are not allowed to run regardless of whether they have valid certificates or in ROM.
https://www.satter.org/2007/03/lets_shell_some.html
Comments
Anonymous
June 23, 2007
Ever wondered how you can stop someone from changing the time on a Windows Mobile device? No? Me eitherAnonymous
June 27, 2007
Jason, very interesting, however, I don't see any of these options on a mobile 6 device. Can we do the same on 6. When I tried nothing happened and after a reset one of my registry edits was removed. All the best, PianoSam.