Questions tagged [usb]
USB (Universal Serial Bus) is an industry standard defining the connectors, cables, and protocols used for communication and power supply between multiple devices.
57
questions
1
vote
0
answers
128
views
How to reverse engineer a USB sump pump controller that is not designed to connect to a computer
I have a sump pump monitor / controller that is USB-enabled. The USB port on the side is designed to hook to a WiFi module or a once-promised, now-canceled, never-produced Z-wave module (which is what ...
- 111
1
vote
0
answers
38
views
Reading/writing flash ROM connected to OMAP L138 without JTAG
I have a product that uses an OMAP L138 with a flash rom. There are a couple different models of this product available, but they all share the same hardware with the only difference being the ...
- 141
3
votes
1
answer
161
views
Exact copy of USB flash drive
I have a USB flash drive, with 2 partitions : one is read only and contains a Windows software, and the second is read/write for user data.
In order to not damage this precious key, I want to do a ...
- 141
2
votes
0
answers
21
views
Analyze/RE device through usb ports
Hi, I disassembled my old smart TV and found the wifi card pretty interesting.
On the internet i found a minimal manaual datasheet...
It was simple to recognise that there is usb pins layout on there ...
3
votes
1
answer
174
views
Where is the CRC16 checksum in a USB BULK IN transfer?
I'm looking at how MITM works on USB devices.
This website states that:
Bulk transfers provide error correction in the form of a CRC16 field on the data payload and error detection/re-transmission ...
- 105
3
votes
0
answers
308
views
Is it possible to dump firmware of a device via USB port?
I have a device which can be connected via USB port. The vendor of this device provides a tool for upgrading firmware of this device via USB port.
lsusb command says that this device has following ...
3
votes
2
answers
185
views
How should I go about reversing this USB crypto dongle?
I have some kind of authentication token device delivered by a bank (that I do not expect to use for its initially-intended purpose any more). I’d like to learn how it works and whether I can recycle ...
- 131
1
vote
0
answers
178
views
Reversing Logitech G933 Battery Charge Values
I have a Logitech G933 headset. I replaced the stock battery with a larger capacity. The headset now lasts many hours longer than it was originally designed, and the software is configured to give ...
- 11
1
vote
1
answer
154
views
analyze how data is read in android usb device
I've a huawei envizion 360, which doesn't provide any API for other application. But I want to read raw data from this device, to an android or to a raspberry-pi for debugging and development purpose. ...
- 111
1
vote
1
answer
4k
views
Bypass USB key activation of a software
(The software is Chinese and contains malware. I do not know if I could upload it here, so temporarily, please let me describe it)
I am asked by a spa store to "do something" to make a ...
- 11
1
vote
1
answer
904
views
How can I see when a library is being called in Android?
Apologies for a beginner-esque question, but I am reverse engineering an Android application, that is most probably using the libusbhost.so library to interface with USB devices via Java Native ...
- 143
0
votes
1
answer
60
views
Encoding of 64-bit double
I'm in the process of reverse engineering a USB driver, and I'm having problems finding a way to decode the binary representation of double values. The values don't seem to be encoded in IEEE-754 ...
- 3
2
votes
2
answers
955
views
Where to get started with reverse engineering a usb video device on Windows?
I have a piece of proprietary hardware that I'm trying to reverse engineer and write a cross-platform open-source driver for. This device has an IR camera on it, and it seems to be using the UVC ...
- 183
1
vote
1
answer
169
views
Unknown (and unowned) USB device
I rarely run Windows, but have some Windows software I'd like to take a look at. This doesn't require a security "dongle", but won't start without the presence of a particular USB-connected ...
2
votes
1
answer
356
views
Reverse engineer an HID device - recreate using arduino
I have an HID device that I'm trying to re-create using Arduino, I have captured the USB packets and I have pretty much analyzed all the data I need to operate the device, the only thing I'm not ...
- 21
1
vote
0
answers
88
views
Same USB packet (Python/user vs C/kernel) but different result
I'm making a Linux module (my first one) for a closed-source, enclosed (no hardware access) device.
Using Wireshark I found what to send and where, so I tried the following command in user space ...
- 11
1
vote
0
answers
165
views
Intercepting packets from Electron App to keyboard in Linux
I have a USB keyboard which has an Electron app to set the macros on the keyboard. I unpacked the app.asar file, and the JS files seem to indicate that it is a ReactJS app, and is a minified ...
1
vote
1
answer
166
views
Interact with a network-less Chinese MP3 player running a modified version of Linux
My friend gave me this cheap little chinese MP3 player. I'm curious about exploring it learning more about the hardware, and potentially seeing if I could expand it's functionality in some way or run ...
- 111
1
vote
0
answers
1k
views
USB packet capture; understanding the communication
Good Day-
I have captured via Wireshark some data and am attempting to understand it as well as the communication protocol for USB.
This one capture contains the sequence 02010c, which tells me the ...
- 168
0
votes
2
answers
233
views
Touch screen driver module - Determine comunication protocol
I have taken apart an old non-functional Lenovo IdeaCentre (B320) computer.
I would like to get the glass touch panel to 'work' (I would consider anything from simply being able to sniff the x,y ...
0
votes
1
answer
220
views
Misterious USB dongle
I have this USB stick that seems to have a slot for a SIM and for a SD card. I don't know nothing else about this module. Searching the codes on internet I didn't find anything.
How could I find ...
- 71
0
votes
0
answers
929
views
Samsung A520F usb type-c uart debug mode
I'm trying to create UART cable for A520F phone with USB type-c. Seems, there is no UART debug modes S8+ either. On Samsung phones with micro USB one may access UART JIG mode with 619K resistor, ...
1
vote
0
answers
183
views
Alternative for Wireshark for USB packet sniffing
I'm looking for alternative for Wireshark, with this requirements:
Cross-platform (Windows and Linux)
USB packet sniffing
Easy creation of dissectors
Wireshark is great, but Lua API for writing ...
- 141
1
vote
0
answers
346
views
Export logic analyzer data to protocol analyzer
Probably I'm little ot but I'm unsure where to ask this.
Is there any easy (already working) way to export my logic analyzer data (vcd format) to a protocol analyzer like Wireshark? I'm analyzing an ...
- 111
0
votes
0
answers
130
views
Does anyone recognise following (USB,HID?) encoding method?
Im reverse engineering a Keyborard RGB LED Control Software and there is a Library called "HidServ.dll" that seems to be the interface between the Keyboard and the Software. Every Function of that ...
- 153
1
vote
0
answers
57
views
USB 3G Stick changing frequency bands [closed]
I have 4 different types of USB 3G modems from Europe. They're not operator locked. I'm trying to use them on an American network for 3G connectivity.
Even though they state "850, 900, 1800, 1900 MHz"...
- 111
8
votes
0
answers
3k
views
Identifying a USB device for a forensics CTF challenge (with no GET DESCRIPTOR)
I'm currently enjoying a forensics CTF challenge. We were provided a PCAPNG file. When opened in Wireshark, the file contains a sequence of URB_INTERRUPT packets from two devices - but no ...
- 363
2
votes
0
answers
1k
views
Hidden Features of a USB RFID Reader
I recently bought a KKmoon Portable RFID 125KHz Proximity Smart EM Card USB ID Reader from Amazon. I'm not currently able to locate a datasheet for the device. It reads tag IDs and prints them in ...
- 121
1
vote
1
answer
302
views
Reverse engineering a USB Fight Stick
I am completely new to reverse engineering. I have a Razer Atrox Xbox One Fight Stick that I purchased recently. It does not work with windows 10 with the drivers installed by Microsoft version (10....
- 21
2
votes
4
answers
13k
views
Extract firmware from a usb device like for example a USB stick
I am breaking my head the last few days over how you should extract the firmware from a USB device I searched all over the internet but I could not find a straight forward way to do it.
Just to ...
6
votes
3
answers
6k
views
Reverse engineering USB peripheral driver
I'm looking to reverse engineer a Windows driver for a printer I have here. I found out a bit about USB sniffing but I don't think Snoopy runs on Windows 7. I know the driver is on my computer ...
- 71
1
vote
3
answers
4k
views
Where should I put my breakpoint? (USB dongle protected software, probably marx)
I'm trying to bypass the license validation process of a very old program called COSIMIR. It uses a USB dongle (which we have) however I don't have access to it, because it belongs to my university.
...
- 13
5
votes
1
answer
996
views
Need help with a USB gaming mouse
I have a Chinese USB gaming mouse (04d9:a070) which has 4 color modes and 4 light levels. I know for a fact that this mouse is capable for showing at least 5 different color so it must be an RGB led (...
- 53
0
votes
1
answer
336
views
RE USB-Serial device driver [Canon ES-E1 for EOS-1V]
I've got an old film camera that uses a cable to connect to a PC. The camera records information like shutter speed, lens used, flash fired, focal length, etc. I'd like to download this information ...
2
votes
4
answers
10k
views
Determine NAND Flash chip type and dump contents
I have a USB stick with a NAND Flash chip that has only a few unhelpful markings on the chip. I desoldered the chip and I have a universal programmer, but I'm having trouble using it with my NAND ...
- 171
1
vote
1
answer
224
views
Control a black box "Traffic Light" type device using USB
I have a black box device with three LED's that can be turned on and off, and an also black box application that has six buttons that turn each individual LED on and off. I don't know the source code ...
- 11
1
vote
3
answers
1k
views
The Nokia CA-50 cable has a longer USB port. Does it hide any kind of chip?
Here's the attached image:
(source: gsmsolutions.ie)
The CA-50 was used by Nokia to program newer phones. Nokia phones from around 2008-2011 feature this port for flashing.
I noticed the USB side is ...
2
votes
0
answers
1k
views
Ducky Mini Firmware Hacking
This is my first reverse engineering project! I recently bought a Ducky Mini keyboard, which is controlled by an ARM Cortex-M3 SoC (to be specific, a Holtek HT32F1655,) and noticed that other ...
1
vote
0
answers
94
views
How can I control a USB device if I have a driver for it, but no application?
I have a Apogee filter-wheel which is connected via USB and the driver for it.
However, as far as I could find out the device only comes with a driver but no application to control it. The filter ...
katzenversteher
10
votes
3
answers
17k
views
Where do I find a cheap hardware USB sniffer
I wanto to capture and then process the USB data that is sent from a computer to a USB printer.
I know that there are several software sniffers like Wireshark that can do that. But I need a hardware ...
- 441
1
vote
0
answers
366
views
Discovering byte array obfuscation function
I'm in the middle of reverse engineering SafeNet (formerly Rainbow) iKey 1000 USB dongle protocol, in order to create Linux driver for it. I'm using Windows as guest in virtual machine on Linux host ...
- 11
1
vote
0
answers
184
views
Trying to replicate a serial protocol
Spent the last few weeks reading, typing, testing, rinse & repeat to no avail in solving a problem.
Problem: Trying to reverse engineer a serial protocol at work. Instrument is currently being ...
- 111
2
votes
1
answer
829
views
Best 3G USB Modem for Reverse Engineering?
My idea is to automate the process of keeping in touch with my server in a portable and internet independent manner. The most optimal solution in my case is an SMS Gateway/Relay because I travel a lot ...
- 29
0
votes
1
answer
2k
views
Possible to Bypass V-Safe100 USB encryption?
I have a Verbatim flash drive that I do not know my password for. Most of my searching for a solution has led to me to answers like "take the loss and reformat the drive" (losing all encrypted data). ...
- 11
2
votes
1
answer
974
views
Reverse engineering a PXP3 Slimstation
I've been given a PXP3 Slimstation. It's a mysterious undocumented portable games console, running 16bit Sega Genesis games. It has a mini USB connector on it.
I'd like to try to find out more about ...
- 121
1
vote
1
answer
534
views
Replaying packets with pyusb does not have the expected output
Working on my Logitech G105 keyboard, to hopefully implement a userspace driver to activate some of its specialized features.
I've captured the usb traffic it outputs when using a windows vm with the ...
- 131
2
votes
1
answer
3k
views
Microsoft Sidewinder Strategic Commander (USB Device) - Any open source drivers or tools? [closed]
I have an old USB gaming device called the Strategic Commander. It was handy for strategy games like Age of Empires - allowing for easy left hand to control of scrolling, panning, zooming and using a ...
- 121
2
votes
1
answer
181
views
How to connect to embedded device via charge-only USB?
For research purposes (vulnerability-analysis), I would like to connect to an embedded Linux-based device via USB. The USB is only intended for the (re)charging (according to the manufacturer of ...
- 21
1
vote
0
answers
94
views
Work out packet structure from usb capture
Im hoping to understand the way a auto diagnostics tool is reporting data over usb.
I've made a usb capture to look for changes according to known changes to the input it measures.
The measurement is ...
- 111
2
votes
0
answers
1k
views
USB not showing up on QNX in Qemu
I have spent some time reverse engineering a QNX 6.5.0 based system. I am pretty new to the Linux (Ubuntu) world and definitely new to QNX, Qemu, and embedded systems.
Since the hardware is fairly ...
- 21