Good Discussion on Protected Processes

Down at the Disparity Bit, Dan Armak has a very good discussion on why exactly he thinks protected processes are bad, and a sort of addendum to my post on the subject. Check out “Making it Clear Just Why Protected Processes are a Bad Idea.” for a more detailed explenation on the problem.

A few people have started to reverse engineer the binary I posted, and some have come up with some partial explenations and analysis. I just wanted to clear up a few things: Yes, the method uses a driver. It’s based on the Microsoft documentation which says “Please don’t use a driver to bypass this”, which led me to believe that it would be possible to do this (which wouldn’t work on 64-bit Vista, of course).

Secondly, almost everything inside the binary I provided is a low-level obfuscation to confuse any kiddies that might try to grab a hold of the expanded driver and use it for the own purposes. It was not meant for, nor is it an example of, proper techniques to obfuscate/protect a program against advanced reverse engineers.

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