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At the conference represented by black hat to decipher conversations in gsmnetworks


Not so long ago I wrote about software "Kraken", which through the use of special cryptographic tables helps to crack the encryption algorithm A5 / 1 (he massively used by mobile operators) for the GSM-network. It is one thing - hacking algorithm, and more - complete decoding of the encoded signal.'s with this "to cheer" handle newly-minted software is also represented at the conference Black Hat. Generally speaking, this conference has brought a lot of things unexpected, from the very Kraken-a, and ending with burglary of ATMs . So, this time an expert on cryptography, Carsten Nogle introduced advanced software package Airprobe. According to the developer, the software is coupled with multiple components allows to simplify the task of decoding the signals transmitted by GSM-network (Airprobe allows you to record and decode the conversations and SMS ).

To become a real spy, who have access to all mobile talks, no longer need to be a member of any secret service. It is enough to buy a programmable radio module to a computer (somewhere around $ 1000) Plus get the same Kraken, mentioned in the beginning, plus get a cryptographic table for Kraken-a (same Nogle laid them back in August 2009, after the presentation at Black Hat), plus adopt himself set Airprobe, which the hacker also posted in the network after the presentation at the conference. Of course, we also need a PC or laptop.

Interestingly, most of the existing GSM-networks amenable to breaking through the said kit. The fact that there is a patch for mobile networks, which has been standardized in the U.S. and other countries two years ago. However, for various reasons, avaricious pays twice mobile operators in many countries still do not integrate this patch at home. As a result, anyone who has some technical skills, and a set of PC + software mentioned above, may try to decipher the signals your own mobile operator. Clearly, Nogle does not guarantee to decipher, but he argues that Airprobe fully operational.

I recall that early versions Airprobe not withstand any criticism, because they were very imperfect . And now, when Nogle got down to business, everything was fully functional. In general, the farther away - the more interesting, right? Maybe think about sending messages pigeons? Or is there to start building a tower to send smoke signals. All will be safer, than GSM. Of course, it's just a joke, an irony, but in every joke ... well, as you all know.

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