Re: my idea of the day

[Dragos Ruiu <dr () kyx net>]

On March 17, 2007 02:33:18 am Dragos Ruiu wrote:
> On March 15, 2007 04:43:29 pm Chris Kuethe wrote:
> > It was a Yellowjacket.
> >
> > http://www.bvsystems.com/Products/WLAN/Yellowjacket/yellowjacket.htm
> >
> > CK
> >
> > On 3/15/07, Jonathan Wilkins <jwilkins () gmail com> wrote:
> > > Dragos had a little device that did this at CanSec a couple of
> > > years ago.  I'm not sure of the brand, but I seem to recall it was
> > > bright yellow and had a couple of directional antennas for
> > > triangulation.  I also think it was WinCE based.
> > >
> > > It could track clients as well as APs.
> > >
> > > Google's not turning up much after a quick search.  I'm sure
> > > someone on the list can provide a pointer.
> > >
> > > On 3/15/07, Dave Aitel <dave () immunityinc com> wrote:
> > > > -----BEGIN PGP SIGNED MESSAGE-----
> > > > Hash: SHA1
> > > >
> > > > So here's my idea of the day: I want relational triangulation in
> > > > SILICA. I want to be able to click "Find this AP" and then have
> > > > SILICA say "stay still . . . . signal is 99. Now take 5 steps to the
> > > > left.... signal is 91. Now take five steps forward....signal is 102"
> > > > and then interpolate in "steps" the distance and direction of the
> > > > access point.
> > > >
> > > > It'd make you look a little silly, but I think it'd be quite useful.
> > > > It's weird the things you find that are useful. For example, it's
> > > > nice to just know what OS every little tiny router is running.
> > > > Sometimes a router will try to "be every IP address", which is very
> > > > annoying.
> > > >
> > > > - -dave
>
> It was/is a yellowjacket. I've done lots of location tests and have some
> new ideas on the topic. Ping me when you are in Vancouver about this
> and I'll explain my current thoughts on the subject of locating wifi. :-)

And I guess to be a little less oblique.... In theory that should work well
Dave,  If everybody lived in a faraday-cage, rf aneochoic chamber 
above a perfect ground plane it would be very cool... In a real world 
office environment with metal girder construction the multipath 
interference and reflections is... a bitch. I've been working on 
solutions  for that in a number of applications. Maybe one of 
these days I can cut some time out to write a paper on this 
and the tests... :)

But right now I'm swamped... so you have to find me in 
some bar at the conference if you want  to get me to explain 
more :).

cheers,
--dr

-- 
World Security Pros. Cutting Edge Training, Tools, and Techniques
Vancouver, Canada    April 18-20 - 2007    http://cansecwest.com
pgpkey http://dragos.com/ kyxpgp
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