[A51] guesing frames

Karsten Nohl nohl at virginia.edu
Thu Dec 27 11:31:29 CET 2012

On Dec 27, 2012, at 11:23 , Sylvain Munaut wrote:

>> how does an empty frame look like? all 2b 's?
> No there is some lapdm header, I don't remember exactly.
>> i can't see any in wireshark while using the mobile app.
> You wouldn't see them. They're added in layer1 when layer2+3 doesn't
> have anything to say ... so they're not in wireshark.

Our presentation from 27C3 has more details:

Slide 17 discusses some guessable frames, slide 19 states that one example of an empty frame is "03 03 01 2b ..."



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