Re: Analyze and Edit a Binary File

Hey Jason,

I would try opening the file in question with a hex editor.
I use vim when working on FreeBSD, and Hex Fiend when on OSX,
I imagine the version number will be in the first N bytes of the file OR
at the very end.

The file my also be made up of other things, just perhaps run it through
binwalk as well? I am by no means an experienced reverser, so I bet even
better advice will come from the list soon :)

On Mon, Feb 16, 2015 at 06:37:08PM -0800, Jason C. Wells wrote:
>
> I use some engineering software called Catia. The files produced by
> Catia encode a software version number. If the version number is
> greater than the version of the installed software, Catia refuses to
> open the file. This is annoying in the extreme. Especially if you want
> to share files in the spirit of open source. If the files that I create
> are newer than the Catia version of my audience, then my audience can't
> use my files.
>
> My question to my more knowledgeable computer geek friends: How do I
> analyze and edit an arbitrary binary file? I know this is a bigger topic
> than a quick response on -chat might allow. So really what I am asking
> is, What tools, topics, and keywords do I need to google in order to
> understand this task.
>
> Thanks in advance, Jason C. Wells
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