Table des matières
How to monitor a GSM network
Gather basic informations about Cell IDs, frequencies
- contributive database of cell IDs http://opencellid.org/
- find the frequency in fonction of the country / the operator http://spectrummonitoring.com/frequencies/
- report on the evolution of the gsm network an potentiel threats http://gsmmap.org/
IMSI Catcher or Stingray Tracking Devices detector on android
From F-Droid
- Android-IMSI-Catcher-Detector https://secupwn.github.io/Android-IMSI-Catcher-Detector/
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From Google play
- Stingwatch (seen at IFF) https://www.stingraymappingproject.org/
Investigation on the electromagnetic landscape
Using an rtl-sdr usb stick
- RTL_SDR : DVB-T dongles based on the Realtek RTL2832U can be used as a cheap SDR http://sdr.osmocom.org/trac/wiki/rtl-sdr
- A nice software to listen to frequencies on Linux and Macos : GQRX http://gqrx.dk
- For other softwares / OS, see http://sdr.osmocom.org/trac/wiki/rtl-sdr#KnownApps
- Shop in France to buy the good device https://www.passion-radio.com/fr/recepteurs-sdr/recepteur-sdr-88.html
Other devices to listen to electromagnetic fields or to play with radio signals
- BladerRF http://www.nuand.com/
- HackRF : HackRF One from Great Scott Gadgets is a Software Defined Radio peripheral capable of transmission or reception of radio signals from 10 MHz to 6 GHz http://greatscottgadgets.com/hackrf/
- USRP : Different products of Software-Defined Radio devices that can cover from VLF up to 6GHz http://www.ettus.com/
- GENESIS : NSA toy https://en.wikipedia.org/wiki/File:Nsa-ant-genesis.jpg from ant division
- PSDR : portable HF/Shortwave Software Defined Transceiver https://www.kickstarter.com/projects/1703258614/psdr-pocket-hf-sdr-transceiver-with-vna-and-gps
More artistic :
- Detektor : Martin Howse http://www.1010.co.uk/org/detektor.html
- Limen : Mario de Vega and Victor Mazon http://r-aw.cc/-/devices/limenia/
- The Electrosmog Detector - MW1 : http://emfield.tripod.com/
Monitoring, recording and decoding GSM signals
- Using Gnuradio http://gnuradio.org
- Live USB stick : http://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioLiveDVD
- To record and decode GSM signals : gr-gsm https://github.com/ptrkrysik/gr-gsm/wiki/Usage
- which can be combine with wireshark https://www.wireshark.org/ see https://github.com/ptrkrysik/gr-gsm/wiki/Usage:-Decoding-How-To
- SITCH : Situational Information from Telemetry and Correlated Heuristics, software and hardawre to monitor GSM networks http://sitch.io/
