Take a look here, the site explains you better and more, than I could!
http://www.codeproject.com/KB/cpp/reversedisasm.aspx
And take a look at this, if you are not familiar with asembly.
http://en.wikipedia.org/wiki/Assembly_language
You'll find some good information there!
http://www.codeproject.com/KB/cpp/reversedisasm.aspx
And take a look at this, if you are not familiar with asembly.
http://en.wikipedia.org/wiki/Assembly_language
You'll find some good information there!