Library Interposers

Few years ago I saw in a reverse engineering web site a trick using LD_PRELOAD to overhead the strcmp function, this way the guy found the password used by a program.

Today I found an interesting article explaning how to use the same approach (called Libray Interposers) to help debug software.

You can read the complete article here:
http://developers.sun.com/solaris/articles/lib_interposers.html

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