I invite you to test out Wireshark's USB capture with different USB devices, and post a comment with your findings.ī DidierStevensLabs. busTRACE bus and device analysis tool from busTRACE Technologies. AGG Software has the Advanced USB Port Monitor. USBPcap is an open-source USB analyzer for Windows. It's based on an earlier project called USB Snoopy. Which gives us the serial number in response: USB Sniffer is a free tool for monitoring USB traffic. With this information, Windows will perform a query to obtain the length of string descriptor 3 in US English:Īnd thus Windows can do a query for a 50 bytes long string descriptor with index 3 in US English: The language used for the string descriptors of the USB stick I inserted is US English (0x0409): Hardware vs Software sniffer Capture is done at a higher level (URB) Depends on the host PC hardware USB controller Can only monitor USB traffic from/to the. In this device descriptor, you can also see the indices for the Manufacturer, Product and SerialNumber string descriptors: 1, 2 and 3.Ī bit later in the capture, you'll see a request for a string descriptor (type 3) with index 0: that actually means an inquiry for the languages used for the string descriptors. This software-based USB protocol analyzer allows you to monitor the data transferred between USB applications and devices connected to your computer via USB interfaces. Maybe you've already come across VIDs and PIDs, like in this instance ID: USB\VID_0951
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