[TriEmbed] Possible Presentation: ARM disassembly & RE tool

[Jon Wolfe]

That sounds freaking awesome!

On March 4, 2020 2:28:23 PM Brian via TriEmbed <triembed at triembed.org> wrote:

> Hi friends,
>
> On the heels of seeing that this month's presentation will be about
> reverse engineering, I thought I'd pipe up and mention that I have some
> stuff that might be interesting.
>
> I have a commercially-produced MIDI controller that has some bugs, but
> is already obsoleted by the manufacturer.  Long story short, its CPU is
> an off-the-shelf ARM Cortex-M and the manufacturer didn't enable code
> protection so I was able to download its firmware image in the clear.
>
> In my journey to understand the existing code (in order to fix its bugs
> and/or write better code), I've been developing a GUI RE tool for
> Cortex-M machine code.  Its features include:
>
>  - Disassembly view with instruction-by-instruction room for labels and
> comments
>  - Emulation with single-step, breakpoints, and instruction skip
>  - Memory read/write watchpoints
>  - (limited) NVIC emulation
>  - (extremely limited) peripheral emulation
>
> I call it CorTexMex (for Cortex-M Explorer) and would be proud to
> demonstrate it at a meeting if enough folks are interested.  It's
> open-source, published on GitHub, and an ongoing work in progress.
>
> Whaddya think?
>
> -B
>
>
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