Re: Jamming WiFi tracking beacons

[Rikairchy <blakcshadow () gmail com>]

I thought the B+ model was four ports, two controllers. I'm not interested
in modifying (or even providing) a connection so much as looking for
unrecognised devices. I had the idea of using them in a mesh, with only one
actually connected to a live network. I thought it might be a way of
listening to what other devices are already broadcasting when they search
for a Wi-Fi connection
On Jul 17, 2014 11:02 PM, "Eric Rand" <eric.rand () brownhatsecurity com>
wrote:

> R-pi doesn't come with a built-in wifi adapter, so you'll need to get
> some add-ons to do that--and keeping in mind that there's only one USB
> controller for all the networking and suchlike, there's a decided limit
> to the amount of bandwidth that they can handle.
>
> Listening for connects is very doable, though that's really more the
> province of the Pineapple
>
> [ http://wiki.wifipineapple.com/index.php/Main_Page ]
>
> and similar projects--the Pineapple also gives you various other
> functionalities, like spoofing and MITM facilitation.
>
> Right tool for the job and all that.
>
> On 07/17/2014 07:56 PM, Rikairchy wrote:
> > I'm thinking of picking up a few Raspberry Pis, I was wondering if they
> > could be used as a way to track devices that search for wifi (unless this
> > is passive only), and recognise "friendly" devices while notifying an
> > administrator of foreign devices detected. Could this have any real world
> > application?
> > On Jul 17, 2014 7:37 PM, "Eric Rand" <eric.rand () brownhatsecurity com>
> wrote:
> > > There's a project on github for just that kind of thing:
> > >
> > > https://github.com/DanMcInerney/wifijammer
> > >
> > > Regardless of the hardware you choose to use, however, keep in mind that
> > > you're going to be using a much higher fraction of the radio amplifier
> > > in the wifi adapter's time than normal use, so there will be
> > > proportionally greater power consumption.
> > >
> > > (Radio theory isn't really infosec, but is a design consideration for
> > > something like this; I can talk about it out-of-band if you need to
> know)
> > > On 07/16/2014 02:26 AM, Keira Cran wrote:
> > > > Hey,
> > > >
> > > > It's great that companies like Apple recognising the threat of tracking
> > > > people via their devices wifi cards' MAC addresses, by randomising
> them.
> > > > Naturally, I wondered i it was possible to jam the measurement beacon
> by
> > > > spoofing tons of wifi clients.  At one point in London, there was an
> > > > advertising firm with tracking bins [1] and I have a nice clip of a
> > > > technician looking puzzled at one beacon trying to figure out what's
> > > > wrong. (Unfortunately, it's bit too close to home (literally) to
> share.)
> > > > In the US I believe some ad "analytics" firms like SenseNetworks do
> > > > something similar. [2]
> > > >
> > > > Consider this a call to arms then, to put those unused raspberry pies
> > > > you have lying around to good use.
> > > >
> > > > best,
> > > > keira
> > > >
> > > > [1]
> http://www.theguardian.com/world/2013/aug/12/city-london-corporation-spy-bins
> > > > [2] http://sensenetworks.com/
> > > >
> > > >
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> > >
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