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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi Steve,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Within regards to the crypto - this is actually quite useless on 2G/GSM.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">You setup your IMSI Base station / sniffer and set the encryption to A0 which<br>
means connect with no encryption – 9 times out of 10 phones will just connect <br>
and use the base station anyway.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The phones themselves are quite dumb and let the carrier decide all the settings
<br>
each time they connect to a tower or a IMSI base station </span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D;mso-fareast-language:EN-US">J</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">By law there is supposed to be a warning but all carriers have this disabled as it would
<br>
be constantly warning users of unsecured networks when roaming in countries that do
<br>
not have crypto enabled.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><br>
These warnings would be displayed each time the phone connects to a new tower.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">This only works on GSM which is 2G.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Cheers<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Shaun</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-GB" style="font-family:"Arial",sans-serif;color:#4D4D4F"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><img width="288" height="157" id="_x0000_i1031" src="http://www.rackcentral.com.au/signature/RackCentral.png" alt="http://www.rackcentral.com.au/signature/RackCentral.png"></span><span style="font-size:11.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:9.0pt">
<span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F">Shaun McGuane |
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#D32027">CIO</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"><o:p></o:p></span></p>
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<span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><img width="11" height="11" id="_x0000_i1030" src="http://www.rackcentral.com.au/signature/t.png" alt="http://www.rackcentral.com.au/signature/t.png"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"> +613
9020 3470 [AU]</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><br>
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><img width="11" height="11" id="_x0000_i1029" src="http://www.rackcentral.com.au/signature/t.png" alt="http://www.rackcentral.com.au/signature/t.png"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"> +64
9887 7188 [NZ]<br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"><img width="11" height="11" id="_x0000_i1028" src="http://www.rackcentral.com.au/signature/e.png" alt="http://www.rackcentral.com.au/signature/e.png"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="mailto:shaun@rackcentral.com.au"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#0563C1">shaun@rackcentral.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"><br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"><img border="0" width="11" height="11" id="_x0000_i1027" src="http://www.rackcentral.com.au/signature/w.png" alt="http://www.rackcentral.com.au/signature/w.png"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://www.rackcentral.com.au/"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#0563C1">www.rackcentral.com</span></a></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"><br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"><img border="0" width="11" height="11" id="_x0000_i1026" src="http://www.rackcentral.com.au/signature/a.png" alt="http://www.rackcentral.com.au/signature/a.png"></span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"> Unit
4/82 Trenerry Crescent, Abbotsford, 3067<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><img border="0" width="151" height="31" id="_x0000_i1025" src="http://www.rackcentral.com.au/signature/f.png" alt="http://www.rackcentral.com.au/signature/f.png"></span><span style="color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#4D4D4F"> </span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> AusNOG [mailto:ausnog-bounces@lists.ausnog.net]
<b>On Behalf Of </b>Steve Phillips<br>
<b>Sent:</b> Wednesday, 19 August 2015 4:29 PM<br>
<b>To:</b> Peter Fern <ausnog@0xc0dedbad.com>; ausnog@lists.ausnog.net<br>
<b>Subject:</b> Re: [AusNOG] SS7 hacked on 60 Minutes, an Australian Senators phone tapped from Germany<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">OK, so maybe not $30, but afaik, a hackrf would allow you to have bi-directional communications and pretend to be a cell tower.<br>
<br>
Cracking the crypto would be another issue, but I don't think the hardware is the barrier to entry really.<br>
<br>
-- <br>
Steve.<br>
<br>
On 19/08/2015 3:32 pm, Peter Fern wrote:<o:p></o:p></p>
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<p class="MsoNormal">On 19/08/15 15:28, Steve Phillips wrote:<o:p></o:p></p>
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<p class="MsoNormal">On 18/08/2015 10:34 pm, Jason Ross wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif">The IMSI Sniffers are pretty much redundant as they rely on GSM (2G) operation, once phone<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif">Is in 3G or 4G LTE Network it does not work as It is encrypted and the IMSI appears to be 2G only<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif">(The DIY) ones anyway. You can purchase ones for $$$$$$ which work on 3G apparently.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This is my understanding too.<o:p></o:p></p>
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<p class="MsoNormal">I guess some people see $30 as expensive ;-)<br>
<br>
<a href="http://hackaday.com/2013/10/22/cracking-gsm-with-rtl-sdr-for-thirty-dollars/">http://hackaday.com/2013/10/22/cracking-gsm-with-rtl-sdr-for-thirty-dollars/</a><o:p></o:p></p>
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<p class="MsoNormal"><br>
That specifically says GSM though.<br>
<br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>AusNOG mailing list<o:p></o:p></pre>
<pre><a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><o:p></o:p></pre>
<pre><a href="http://lists.ausnog.net/mailman/listinfo/ausnog">http://lists.ausnog.net/mailman/listinfo/ausnog</a><o:p></o:p></pre>
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<p class="MsoNormal"><o:p> </o:p></p>
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