Banco Santander Academy

 Thanks to the Santander Bank for creating academy and accepting me.

IoT introduction course completed.




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gr-gsm GSM traffic in wireshark!!! IMSI catcher

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 gr-gsm is a powerful library that in conjuntion with any GSM receptor, give lot of utilities for playing. Below the link for the utilities: GitHub - ptrkrysik/gr-gsm: Gnuradio blocks and tools for receiving GSM transmissions Today, in some minutes, we have been able to scan: grgsm_scan and locate a connected gsm device. You can note the frequence, and then in a second command you can type: grgsm_livemon  -f 927.8M That will show in console the different GSM packets received, Finally in a third window you can filter into wireshark to execute with the filter gsmtap. wireshark -k -Y '!icmp && gsmtap' -i lo We got very surprise to be able to get GSM traffic in the wireshark, ready to be analysed. We have been reading different times about the imsi catcher. Today we have been able to check how easy is to capture IMSIs, in 5 seconds, we have capture lot of imsi of different persons. No need to say this is just for learning purposes. Note, all instructions are in the in...
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Yes, our linux board is able to send APDUs to the UICC

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 YES!! AT+CSIM commands are working fine. Our linux board is able to send APDUS to the simcard with success. Below commands to read standard file ICC. Until here is the work I can publish. Complex communications with javacard applets falls inside the intelectual property of my company and I cannot publish. This will be published in internal company confluence pages. We have also been able to send text sms, but that is easy peasy :)
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