Even with complete original source code, understanding a non-trivial C++ application is very difficult. Source derived from an optimized executable is going to be a LOT rougher. No real function names, module names, variable names, or comments. Use of standard libraries (STL, MFC, Boost) is likely highly obscured as well. A tool like this would probably produce source that looks more like a C/machine language hybrid rather
than normal C++.
The primary use of something like this is if you are looking for a very specific piece of logic such as a password check or an encryption operation or protocol details.
When were these famous last words anyway?
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Even with complete original source code, understanding a non-trivial C++ application is very difficult. Source derived from an optimized executable is going to be a LOT rougher. No real function names, module names, variable names, or comments. Use of standard libraries (STL, MFC, Boost) is likely highly obscured as well. A tool like this would probably produce source that looks more like a C/machine language hybrid rather than normal C++. The primary use of something like this is if you are looking for a very specific piece of logic such as a password check or an encryption operation or protocol details. When were these famous last words anyway?