I'm writing a program to create an alternate way to log on to windows (instead of a password, you have to win a tron lightcycle type game). Where do I go in windows to change the entry box to this game? I know it's possible, because I've seen those display models in best buy with facial recognition logins from the webcam.
Love, Anon
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Anonymous2010-02-19 16:22
On XP/2003 you need to write an gina replacement. This receives requests from the Winlogon, and it can do what it wishes with them, and often can just load the msgina.dll and forward requests to that.
On Vista/7/2008, I'm not sure if it would be possible. The GINA/Winlogon stuff is replaced with Credential Providers. It's something I'm scheduled to do research into soon for work. (Not to provide a game for logon, but to provide a additional passcode box for two factor authentication.
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Anonymous2010-02-19 17:04
Anywhere that I could go to learn about this? I've tried technet, but I was unable to find anything useful (though I may just have tard search skills).
>>3
MSDN has a pretty complete list of APIs involved. You can find some demos/implementations of this on google as well. I even recall a few msgina trojans which were provided with source.