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Created: Wednesday, March 28 2007 15:06.45 CDT

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What do IDA pro and fuzzing have to do with one another?

Author:

camill8

# Views: 1767

Why does IDA pro exist?  Simply stated, because humans can look at assembly and make more sense out of it better than a program can decompile it.  And the prevalence of IDA pro means people think this isn't going to change anytime soon.

So, what does this have to do with fuzzing?  Well, a lot of time has been spent recently discussing how to make fuzzers "smarter".  By this people generally mean either 1) more protocol aware or 2) cabable of incorporating runtime information into it's decisions, i.e. by looking at code coverage.

The fundamental question comes, like in IDA pro, as to whether this is a job more suited to a human or a program.  I'm starting to lean toward the former - mostly because I've seen how hard it is to do the latter!  If you start to believe this is always going to be a human endevor, it makes sense to start building tools which make it easier for a human to interact and change the way a fuzzer behaves, much like IDA makes it easier for a human to understand a disassembled program.

To this end, I've started writing a program VisFuzz which helps an analyst describe a protocol to a "fuzzer" in an intuitive way.  Then the fuzzer can take this information and fuzz the target.  The important fact being the focus is not on "fuzzing" but the interaction between the user and the fuzzer.

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