Prior to running you need to make sure the ZENA device is “unbound” from any kernel drivers. A level of 0 implies no debugging default , 9 maximum verbosity. Newer Post Older Post Home. In this post I’ve documented reverse engineering efforts by myself and others and present a small C utility for pcap packet capture on the Linux platform. There is no support for Linux and cannot be used with powerful tools like Wireshark.
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ZENA Wireless Adapter – 2.4 GHz MRF24J40
The Zena sniffer can save a capture in a proprietary micfochip formatand can export selected frames to the clipboard in space-delimited hex bytes. I would love to be able to check for this and unbind programatically, but I don’t know how to go about it. Zena Sniffer Network Configuration Display.
You will find a new file in that directory.
Reversing the Microchip Zena ZigBee Sniffer
Skip to secondary content. Newer Post Older Post Home. You can specify a BMP background as a floorplan and move the nodes to their physical locations as well. I have updated this tool to manage the new hardware version based on the MRF24J40 chip.
Using the SnoopyPro USB snifferI was able to look at the USB packets, observing data from frames shown by the sniffer, as well as recording the configuration activity based on the channel I specified to capture on. With this information, it was straightforward to identify the USB endpoint 0x01 as the control channel for setting the channel and USB endpoint 0x81 as the data endpoint for delivering frames. Prior to running you need to make sure the ZENA device is “unbound” from any kernel drivers.
Random Tech Stuff: Using the Microchip ZENA ZigBee/ network analyzer with Linux
It is possible to check if a device is bound to a kernel driver and unbind it in libusb 1. This is how to “unbind” it: Posted by Joe Desbonnet at Update 20 Feb Zena Packet Capture Tool.
The Python script is available here. There is very little documentation available for the device hardware.
One line per 64 byte chunk. It comes with free Windows-only software. There is no support for Zeena and cannot be used with powerful tools like Wireshark. Now connect the ZENA.
This will be incorporated in the next release — version 0. With no Linux support, I decided to write my own user space Linux driver to capture packets with the goal of integrating it into libpcap captures and other tools including Kismet Newcore.
ZENA Wireless Adapter – MHz MRF89XA
Each chunk is prefixed with a timestamp obtained from the host computer -v will display version information and quit. Using PyUSB with the excellent Pymissle project by Scott Weston as an example, I quickly put together a tool that can set the channel number and capture frames from the Zena device, dumping the hex bytes to stdout. See comments near the top of the C file on how to compile and run. ZENA device not found or not accessible”, that is likely mcrochip problem.
Two output formats are supported: Make note of it. Linux Microchip Zena data, isn’t it beautiful?
On Ubuntu you can do sudo bash to avoid prefixing everything with “sudo”. You’ll probably need to be logged in as root to do all of these things.
In this post I’ve documented reverse engineering efforts by myself and others and present a small C utility for pcap packet capture on the Linux platform. Awesome work and thanks for making your tool available as open-source.