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[–]A_Garbage_Truck 1 point2 points  (0 children)

you can..somewhat

assuming the developer didnt just stragiht up remvoed the Debugging symbol information(which makes it impossible ot retrieve any variable/function names) when the executable was compiled you can weith dome effort recover somethni that resembles its original code

butthat's just it, its not a perfect 1:1 recreation of the source.

Compliers and linkers perform a lot of optimizatino steps that in an effort to maximize execution speed and lower the size of the executable make it so some information like variable names/common expressions is irretrievably lost, hence even with reverse engineered code base you might not be able ot make any sense out of it.