Re: Firefox Addon: KeyScrambler

[Christian Sciberras <uuf6429 () gmail com>]

> I tried installing this plugin to Firefox 3.6.12 in a virtualbox XP32(SP3)
environment and it is incompatible.
> I may wait for an update to the plugin and analyse its behaviour,
providing my curiosity doesn't wane in the meantime.

Alternatively, you can just decompress the XPI (it's in fact a zip) and
inspect the js files and/or decompress any binaries.
I suppose they are distributing some form of driver, so you'd find
IDA/ollydbg useful.



Chris.



On Thu, Dec 9, 2010 at 11:23 AM, mrx <mrx () propergander org uk> wrote:

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> On 08/12/2010 11:30, Tim Gurney wrote:
> > Hi
> >
> > This seems to contradict itself somewhat. A plugin to firefox should
> > have no way to encrypt things at a driver level within the kernel, that
> > would require installing seperate software at the root level, a plugin
> > should not be able to do this and i would be VERY worried and surprised
> > if it could as it would mean bypassing the security of the OS.
>
> I tried installing this plugin to Firefox 3.6.12 in a virtualbox XP32(SP3)
> environment and it is incompatible.
> I may wait for an update to the plugin and analyse its behaviour, providing
> my curiosity doesn't wane in the meantime.
>
> I am not a professional, I do this kind of research as a hobby and for
> educational purposes, when I have some free time.
>
>
> > Also if the driver is encrypting the key strokes and the plugin is
> > decrypting, what about all the keystrokes that are not in firefox, like
> > email, word processing, programming, there is nothing to decrypt these
> > so you would end up only ever being able to use firefox on the machine
> > and nothing else every again.
>
> The devs do state that it only encrypts keystrokes in Firefox and not other
> applications, although they do sell a version that supposedly works
> "in over 160 browsers and applications".
> > personally I would not touch this with a barge pole and I would do a lot
> > more more digging and checking into this.
>
> Yes, I am sceptical of claims, hence the post to this list.
>
>
>
> > regards
> >
> > Tim
>
>
> Thanks for your input
> Dave.
>
>
> > On 08/12/10 11:12, mrx wrote:
> > > Hi list,
> >
> > > Is anyone familiar with the firefox addon KeyScrambler? According to
> developers this encrypts keystrokes.
> > > Quote:
> > > "How KeyScrambler Works:
> > > When you type on your keyboard, the keys travel along a path within the
> operating system before it arrives at your browser. Keyloggers plant
> > > themselves along this path and observe and record your keystrokes. The
> collected information is then sent to the criminals who will use it to
> > > steal from you.
> >
> > > KeyScrambler defeats keyloggers by encrypting your keystrokes at the
> keyboard driver level, deep within the operating system. When the encrypted
> > > keystrokes reach your browser, KeyScrambler then decrypts them so you
> see exactly the keys you've typed. Keyloggers can only record the
> > > encrypted keys, which are completely indecipherable."
> >
> > > Can this be trusted? As in trusted I mean not bypassed.
> >
> > > Input from the professionals on this list would be much appreciated.
> >
> > > Thank you
> > > regards
> > > Dave
> >
> >
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/