Re: Wireless keyboard security?



There was a presentation scheduled at Black Hat 2007 in Vegas on how to hack a wireless keyboard. During the presentation the presenter was unable to provide any evidence that he could hack a wireless keyboard. He did provide evidence on how to hack a Kensington Model#33374 wireless remote, used to control Power Point presentation.

If someone, saw him hack a wireless keyboard during the presentation please let me know, because maybe I was running low on caffeine.......

Here is the presentation that was scheduled:

Other Wireless: New ways of being Pwned
Luis Miras, Lead Vulnerability Researcher, Intrusion Inc

There are many other wireless devices besides Wifi and Bluetooth. This talk examines the security of some of these devices, including wireless keyboards, mice, and presenters. Many of these devices are designed to be as cost effective as possible. These cost reductions directly impact their security. Examples of chip level sniffing will be shown as well as chip level injection attacks allowing an attacker to control the target system. The hardware used in these devices will be examined along with an attacker toolkit consisting of low cost hardware and software.

Luis Miras is the lead vulnerability researcher at Intrusion Inc. He has done work for leading consulting firms and recently has done work for Chumby. His interests include vulnerability research, binary analysis, and hardware/software reversing. In the past he has worked in digital design, and embedded programming. When he isn't head down in IDA or a circuit board, you will likely find him boarding down some sweet powder.




natronicus wrote:
Additionally, there was a presentation at Defcon last year where the
presenter demonstrated how to reverse engineer an example rf
controlled wireless keyboard with $100 of equipment off of ebay.

I just visited the defcon media archives but couldn't find his
presentation.. maybe it was Blackhat 07 and not Defcon? It was a
small group of us in there; couldn't have been more than 20 people
attending the talk.

Anyway, since I can't find his presentation, his process was:

- Monitor the rf frequencies and dump them into software to analyze
- Figure out what is a 1 and what's a 0
- Guess the packet structure (header + payload + footer)
- Monitor payloads generated by using the device and generate a translation map

He found that all of the rf wireless devices he tested used
proprietary protocols with no encryption. It was simple to deduce the
protocol and command lists, making it possible to inject any command
into the receiver and monitor all traffic.

Bluetooth has its issues, but at least it's a known protocol that's
very difficult to sniff. Home grown protocols always make me twitchy.

natron

On Wed, Mar 26, 2008 at 10:51 AM, Sat Jagat Singh
<flyingdervish@xxxxxxxxx> wrote:
There's actually been quite a lot about these lately:

http://www.remote-exploit.org/advisories/27Mhz_Analyzing.pdf

http://www.dreamlab.net/download/articles/27_Mhz_keyboard_insecurities.pdf

Bluetooth hacking has also been demonstrated at
previous Blackhat conferences.



--- Eygene Ryabinkin <rea-sec@xxxxxxxxxxx> wrote:

> Good day.
>
> Can anyone point me to the papers/articles/research
> of the (in)security
> of wireless keyboards? Since many people want to
> use them now,
> there are some questions about their security --
> button clicks are
> transferred on the air and can be remotely
> interceptable.
>
> Thanks!
> --
> Eygene
>
>
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Relevant Pages

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