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Binary analysis: Concolic execution with Pin and z3


In a previous post, I talked about the concolic execution using Valgrind to the taint analysis and z3 to the constraint path solving. So why another blog post about this technique? Because recently my previous researchs was around Pin and because Pin is supported on Linux, Windows and Mac. I also wanted to see how it's possible to do it without IR - With Valgrind and z3 it was pretty easy because Valgrind provides an IR (VEX). Then, it can be useful for other people or it can be give some new ideas. :-).

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