26C3 - 26C3 1.15

26th Chaos Communication Congress
Here be dragons

Dieter Spaar
Day Day 3 - 2009-12-29
Room Saal2
Start time 16:00
Duration 01:00
ID 3608
Event type Lecture
Track Hacking
Language used for presentation English

Playing with the GSM RF Interface

Doing tricks with a mobile phone

This talk will show what can be done by taking control of the GSM RF part of a mobile phone, for example performing a DoS attack to the GSM network or using the phone as a sniffing device.

If the RF hardware of a mobile phone can be controlled, lots of things are possible, for example:

  • Sending continuous Channel Request which can lead to a huge load for a GSM cell and could be considered as a DoS attack to the GSM network.
  • Use a mobile phone as a cheap GSM receiver for sniffing the air traffic somehow similar to what can be done with the USRP.
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