GSM Sniffing: SMS Decryption - Software Defined Radio Series #10
In this video I show how to capture GSM traffic over the air, and decrypt our own SMS!
It's highly recommended to check out the previous videos, in case this is the first time you're doing GSM sniffing and decryption.
Topics covered:
Switching USB mode on a Samsung Galaxy phone
ARFCN conversion to downlink and uplink frequencies
Testing the GSM downlink frequency
Capturing RTL-SDR GSM traffic for later use
Decoding RTL-SDR GSM traffic
GSM packets (Immediate Assignment, Cipher Mode Command, etc.)
Decrypting GSM traffic with a known Kc (symmetric encryption key)
Tools:
usbswitcher (https://github.com/ud2/advisories/blo...)
minicom
kalibrate-rtl (kal)
grgsm_livemon
grgsm_capture
grgsm_decode
wireshark
Hardware requirements:
RTL-SDR (Default antenna)
Cellphone that has an AT interface you can access.
Stay tuned and subscribe for more upcoming videos showing actual hacks!
Twitter: @CrazyDaneHacker
Facebook: / crazydanishhacker
Patreon: / crazydanishhacker
Many thanks to RTL-SDR.com for sharing the GSM Sniffing & Hacking video playlist!
(http://www.rtl-sdr.com/gsm-sniffing-a...)