No WIFI!! no problem, we have GSM
Our IOT devices have WIFI and GSM connectivity.
It will try first send data WIFI, if no connection, it will start the GSM!!
gr-gsm GSM traffic in wireshark!!! IMSI catcher
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...
Comentarios
Publicar un comentario