Flipper Zero: Replay attack CC1101 "Normal Mode" (GFSK signals)
The Flipper Zero uses a CC1101 to capture Sub-GHz radio signals. We can do "Read RAW" of signals, using "Async mode" but by default can't capture/replay GFSK_9_99Kb "Normal mode" signals. Many Arduino/STM32/Pi projects also use a CC1101 for sending "Normal mode" messages between two devices. We create a "Custom Preset" so we can intercept, interpret and replay those signals!
I have a few Flipper Zero devices, so we are able to edit the "Normal mode" registers (for example, setting Manchester encoding, packet length, address, etc.) and then intercept the signal and see how it changes.
Once we have a "Custom Preset" it's also possible to write our own Sub-GHz protocol encoder/decoder (following steps from previous videos) to be able to display key data.
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Setup dev environment:
• Flipper Zero - Windows development en...
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Timeline:
0:00 - Introduction
1:11 - Subghz chat
2:19 - Custom preset
4:45 - Capture "Normal mode" signal
5:56 - Signal analysis
11:58 - PKTLEN/CRC
12:36 - Manchester encoding
13:13 - Signal analysis (Manchester encoded)
16:52 - Summary
Watch video Flipper Zero: Replay attack CC1101 "Normal Mode" (GFSK signals) online without registration, duration hours minute second in high quality. This video was added by user Derek Jamison 27 July 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 1,277 once and liked it 42 people.