DragonOS Noble: Detecting, Decoding & Decrypting Meshtastic with Meshtastic-Sniffer (hackRF, LoRa)
well. Picking things back up with a fresh project: meshtastic-sniffer
running on DragonOS.
Meshtastic-Sniffer is a standalone C decoder for the …Meshtastic LoRa
network. One binary, polyphase channelizer built in, no GNU Radio
runtime required. With a wide-enough SDR it covers every channel slot
across the US band (902-928 MHz, 104 LongFast slots), simultaneously.
Big credit up front to Josh Conway (crankylinuxuser on GitLab), whose
meshtastic_sdr project a year back was the first practical
SDR approach to Meshtastic. Different shape, same family of problem.
In this video: brief history, live clone + build on DragonOS, first
run with a HackRF, an honest look at HackRF bandwidth limits, what to
look out for on the RF side, and what’s coming next.
Topics: SDR – LoRa – Meshtastic – DragonOS – HackRF – Polyphase
Channelizer – TDOA – Multi-Station Receiver
LEARN MORE
meshtastic-sniffer (this video):
https://github.com/alphafox02/meshtastic-sniffer
Josh Conway’s meshtastic_sdr (original credit):
https://gitlab.com/crankylinuxuser/meshtastic_sdr
DragonOS:
https://cemaxecuter.com
Meshtastic project:
https://meshtastic.org
Previous meshtastic_sdr coverage on this channel:
https://www.youtube.com/watch?v=5Fr1mZBI4Rw&t=1s
Other recent projects referenced in the video:
iridium-sniffer – https://github.com/alphafox02/iridium-sniffer
inmarsat-sniffer – https://github.com/alphafox02/inmarsat-sniffer
blue-dragon – https://github.com/alphafox02/blue-dragon
HARDWARE
HackRF One
Meshtastic device
DragonOS
BUILD COMMANDS FROM THE VIDEO
git clone https://github.com/alphafox02/meshtastic-sniffer.git
cd meshtastic-sniffer
mkdir build && cd build
cmake ..
make -j$(nproc)
./meshtastic-sniffer –hackrf –presets=all –keys=default
Optional libs (MQTT + ZMQ + encrypted ZMQ for fusion):
sudo apt install libmosquitto-dev libzmq3-dev libsodium-dev
COMING UP NEXT
Loading channel keys and watching encrypted payloads decrypt live
Evidence tab walkthrough (timeline + per-event replay)
Two stations into the meshtastic-fusion daemon for live multi-station TDOA
Pointing it at a real mesh out in the wild
Thanks for sticking around while I was off building the thing. Drop a
comment if you spin it up, happy to help if anything’s odd on your
setup. Subscribe if you want the follow-up.
See you in the next one.
WarDragon Pro (when in stock):
https://cemaxecuter.com/?product=wardragon-pro-kit
Repo updates:
https://github.com/alphafox02
Updates on X:
https://x.com/cemaxecuter
Support the channel:
https://www.patreon.com/cemaxecuter
#Meshtastic #SDR #LoRa #DragonOS #HackRF #RadioHacking #OpenSourceShow More
DragonOS Noble: Detecting, Decoding & Decrypting Meshtastic with Meshtastic-Sniffer (hackRF, LoRa)
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