[MAGZine]

It is (un?) fortunately impossible to tell whether someone obtained some knowledge from leaked source or by reverse engineering. Especially when looking at assembly (or RE through other methods) could in theory produce the same bugs/quirks as the original.

[MaxBarraclough]

Sure, but I was speaking to whether it breaks the law, rather than whether you're likely to get caught. If you don't care about the law, why bother to go halfway to the clean-room methodology?