2 Software ‘GSM breaker’ Ready SPREAD
A security researcher demonstrated how to break and are ready to tap phone calls nearby. Two software supporting the action that was ready to be disseminated.
If the application is needed that has spread, tapping phone calls going into the game the script kiddies can be done by anyone who wants, simply by downloading software available on the internet.
“GSM Hacking has entered the stage of script kiddie, just like Wi-Fi Hacking few years ago when people everywhere easily breaking into neighbor’s Wi-Fi,” said Karsten Nohl, a cryptography and security researchers at Security Research Labs, as quoted from TheRegister, Thursday (29/07/2010).
According to Nohl, with more spread of software that, it hoped the industry will switch to a more secure encryption. “Just as Wi-Fi, when they switch to WPA encryption. Hopefully it will also occur in GSM,” he said.
What software used? Here are two of them:
- Kraken, this software will be released at the Black Hat Security Conference in Las Vegas. Usefulness of this tool is to take the secret key in an SMS message encryption and voice conversation in less than 30 seconds. Developer is none other than Frank A. Stevenson, known as breaker CSS encryption on DVDs.
- AirProbe, the latest version of this software will also be distributed at the same event. AirProbe is capable of recording a digital signal that ‘passing’ between the tower base stations with mobile phones. Combined with GNU radio, AirProbe can retrieve data in real time and store only the required packages for tapping.
In addition, security and computer forensics investigators TheGrugq have explained the existence of weaknesses in the GSM system. And certain weaknesses can be exploited even by using just a handheld device.
Through the attack named RACHell, the perpetrator could be showered with RAC BTSs Request to ‘crash’ (not functioning). Another technique, called IMSI detach, can prevent certain mobile phone to receive SMS and voice calls over the mobile phone number was unknown.
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