$20K BLE Sniffer in Action: Demystifying Advertising Packets Like a Pro!

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Novel Bits

Novel Bits

День тому

In this video, I use a $20,000 BLE Sniffer to analyze BLE advertisement packets in detail down to the byte and bit level. I also go over how to use and refer to the different Bluetooth specification documents to find the definitions for the different fields and values usually included in advertisement packets.
VIDEO CHAPTERS:
00:00 Intro
00:19 What is a BLE Sniffer?
00:33 Types of BLE Sniffers
03:19 Benefits of using a BLE Sniffer
03:42 Equipment used in this tutorial
04:35 Capturing BLE advertisement data
05:19 Link Layer Information
06:04 Link Layer Packet (PDU, Payload)
06:16 Advertising data packet format
06:57 Advertising PDU header
10:18 Advertising PDU payload
14:44 Scan Requests and Scan Responses
Be sure to SUBSCRIBE to the channel so you don't miss a single video. I try to read and respond to every single comment on my videos, so feel free to comment and let me know if you'd like me to cover a specific topic in BLE!
BLUETOOTH LOW ENERGY RESOURCES:
📚 Intro to Bluetooth Low Energy [Second Edition: PDF] - novelbits.io/intro-bluetooth-...
📚 Intro to Bluetooth Low Energy [First Edition: Kindle, Paperback] - amzn.to/3gKlkZ6
🧑🏻‍🤝‍🧑🏻 Bluetooth Developer Academy - academy.novelbits.io/
MY WEBSITE/BLOG:
🖥️ Novel Bits - www.novelbits.io
WHO AM I:
I'm Mohammad, Founder of Novel Bits. I help educate developers and engineers on Bluetooth Low Energy (BLE) and how to develop for the technology to deliver products to market faster and more efficiently.
MY VIDEO GEAR:
Camera: amzn.to/3z37MxT
Camera Filter: amzn.to/3xMDHm2
Lens: amzn.to/3rfyj8B
Mic: amzn.to/3B9E9wK
Lighting: amzn.to/3wI1gLG
PS: Some of the links in this description are affiliate links that I may get a kickback from.

КОМЕНТАРІ: 35
@dantecruzorozco8850
@dantecruzorozco8850 2 роки тому
man greetings from Mexico, I'm an intern at a company which is debeloping some proyects using BLE and your videos are so usefull, I'm a total freshman in this topic, so I would like to thank you for this
@TommyK-gz9if
@TommyK-gz9if Рік тому
I need your help. I have these implanted somewhere in me. I think maybe my eyes and I don't know who's doing this. I know that there's some people scanning me somehow. Things there. Any way you can help me figure out how they're doing this to me? I just learned of the RFID things and the BET sniffers recently
@ulysses_grant
@ulysses_grant Рік тому
Wow, this video is a gem! Thanks for sharing this, Mohammad!
@radhikabhat9480
@radhikabhat9480 2 роки тому
Excellent! Thanks a lot, keep it up!
@baconsledge
@baconsledge Рік тому
Thanks, Mohammed...great stuff.
@NovelBits
@NovelBits Рік тому
Glad you liked it!
@WiFiTube
@WiFiTube 2 роки тому
Thanks for this very nice overview! I thought WiFi tools are already really expensive, but a BLE Sniffer for a $20.000 is crazy.
@NovelBits
@NovelBits 2 роки тому
Yep, it sure is crazy! But they have to make up for the low volume sales to be able to cover the high engineering cost for the development of these tools. So I guess in a way it makes sense.
@GetSwifty
@GetSwifty 2 роки тому
@@NovelBits sounds like it’s an industry ripe for disruption.
@NovelBits
@NovelBits 2 роки тому
I agree 100%
@praveenk1051
@praveenk1051 Рік тому
Thanks for this video. Can you please let me know how to test Bluetooth protocol domain, coexistence/certification, and protocol compliance? Can you suggest any document or web link for bluetooth certification testing ?
@supadupahilton6848
@supadupahilton6848 Рік тому
Hello, Do you have a basic overview and setup tutorial for the BEX-400 sniffer? Just basic captures filtering by MAC address? Thanks!
@sharifulislamshagib4005
@sharifulislamshagib4005 2 роки тому
This is an excellent in depth tutorial. Can you share the captured packets that you demonstrated in the tutorial :) ? It will be really helpful. Please keep making such high quality and practical knowledge based tutorials. Best wishes for you and your future tutorial.
@NovelBits
@NovelBits 2 роки тому
Let me look into the best way to share the capture. The original format won’t be helpful unless you have the Ellisys Sniffer Software installed but there may be a better way to export the data. I’ll keep you posted!
@NovelBits
@NovelBits 2 роки тому
Here's a link to get the text version of the capture: bit.ly/2W2Jruq & CSV version: bit.ly/3B46wMj. I'll add them to the video description as well!
@sharifulislamshagib4005
@sharifulislamshagib4005 2 роки тому
@@NovelBits Thanks a lot. It is really helpful. I will try to interpret them in wireshark. Hoping to see future tutorials on Ble Link Layer and HCI.
@raghunadh6441
@raghunadh6441 2 роки тому
Thanks for giving valuable information. Nrf52480 sniffer device supports ble 5.0 and above? Please share other devices information in low cost for sniffing.
@NovelBits
@NovelBits Рік тому
Yes it does support 5.0 and above. There’s one called the Ubertooth that may be helpful but it doesn’t support 5.0 or above I believe.
@user-jr5cp5xd7c
@user-jr5cp5xd7c 2 роки тому
Thanks for your videos! Tell me please what is different between ubertooth one and nrf52840? Is it possible to use nrf52840 to detect devices that are in invisible mode?
@NovelBits
@NovelBits 2 роки тому
The Ubertooth One is meant as a dedicated sniffer device and the sniffer firmware is open source. However it can be reprogrammed with other firmware with different behavior. The nRF52840 on the other hand is meant as a generic development kit. Nordic does provide firmware for the nRF52840 to operate as a sniffer but the source code is not available.
@user-jr5cp5xd7c
@user-jr5cp5xd7c 2 роки тому
@@NovelBits thanks for your answer! And what about invisible bluetooth devices? How i can find them? It's very interesting
@mohammadafaneh3481
@mohammadafaneh3481 2 роки тому
@@user-jr5cp5xd7c What exactly do you mean by invisible devices? In BLE there is a Central and a Peripheral. The Central mainly is invisible because its role is to discover and connect to Peripheral devices and Peripheral devices usually advertise in the open so they can be discovered by Central devices. What exactly is your concern with invisible Bluetooth devices?
@user-jr5cp5xd7c
@user-jr5cp5xd7c 2 роки тому
@@mohammadafaneh3481 you see, I am wondering if it is possible to detect any type of BLE device, be it central or peepheral, if they do not send out advertising packets. We can say that they are "invisible" to other devices. Is it even possible to detect such devices using Ubertooth One or nRF52840 or someting else?
@NovelBits
@NovelBits 2 роки тому
If a device does not advertise or send any BLE messages (for example, in active scanning mode the Central sends a scan request message), then there’s not really a way to discover it (at least not traditionally). The device in that case probably just has the radio on to receive BLE packets, which is not feasibly detectable by other devices.
@NB-fx9xe
@NB-fx9xe 2 роки тому
Please don’t add BGM for your videos. Nice work thanks 😊
@NovelBits
@NovelBits 2 роки тому
Was it distracting? or too loud?
@wlgrd7052
@wlgrd7052 2 роки тому
@@NovelBits a little too loud at least. Distracts from the actual content, which is REALLY good
@efarid
@efarid 2 роки тому
​@@NovelBits On the loud side. You really don't need it. Your voice has a good tune for such nice videos.
@NovelBits
@NovelBits 2 роки тому
No more background music from now on 🙂
@Daniel-jb5dw
@Daniel-jb5dw Рік тому
I really appreciate for making this video! Just a small suggestion, please decrease the volume of the background audio.
@NovelBits
@NovelBits Рік тому
Noted! And I’ve stopped including background audio completely. Will be doing a new video soon on using the nRF sniffer and the nRF52840 dongle (just $10)
@wliterow
@wliterow 2 роки тому
nice work however at $20K is a bit expensive to get into
@NovelBits
@NovelBits 2 роки тому
It is. I’ll be covering the nRF Sniffer ($10!) in the near future!
@wliterow
@wliterow 2 роки тому
@@NovelBits looking forward to your great lectures - keep up the good work ..
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