It only takes a minute to sign up. 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 clarify I am trying to do this over the USB connection it self but if this isn't possible then that is just fine. Sorry that I do not have enough reps to comment. So writing this as an answer instead. The answers to these two questions seem to be be relevant to what you are asking as well.
Have a look at them :. How do I extract a copy of an unknown firmware from a hardware device? How to dump flash memory with SPI? I know its SPI but some of the answers still could be relevant to your situation.
If it has a Cypress FX3 then it will double enumerate in Device Manager when you plug in the device, if that helps. The firmware is loaded FROM the driver and then the device will enumerate again. Usually there's some way to switch the usb drive into programming mode. In most cases switching to this programming mode requires to connect specific pins on the usb drive board.
Or it automatically switches to the programming mode when usb drive firmware gets corrupted. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 2 years, 7 months ago. Active 2 years, 6 months ago. Viewed 7k times. Misunderstood Salad Misunderstood Salad 21 1 1 silver badge 3 3 bronze badges. Did you open it and look at the components inside? Does the manufacturer provide firmware updates? Active Oldest Votes.The Chinese tech giant Huawei builds a massive range of smartphones for all of high- mid- and low-end segments.
But when it comes to software updates, not everybody receives the latest update from Huawei at the same time — whether that be Face Unlock update, or Android Oreo itself — which is why you may want to install the update all by yourself. Regional restrictions can keep you away from receiving the OTA notification for weeks, and even months. Since firmware files are easily available online, you can always flash the Huawei update files yourself.
But in order to do so, you need to extract firmware first. If you find this useful, you may want to thank him. Before you head over to the Huawei firmware database linked above, you will need to find out the build number of your device.
So now you can simply use the firmware version of your Huawei device and use the firmware database to find and download the necessary files. APP folder when flashing on Android 7. Did this guide help you find the right firmware file for your Huawei device and flash it successfully?
Reverse Engineering Stack Exchange is a question and answer site for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation. It only takes a minute to sign up. Appreciate it's a broad question, but despite days of Googling I haven't found straight forward explanation of the general principle of how to "capture" or copy an unkown firmware from a piece of hardware.
I gather once you have it you can begin to use various tools to analyse it, but what I want to understand is how to get it in the first place. As you may suspect, it very much depends on the hardware.
UART is just a serial port, so what interface or options it provides if any is entirely up to the developer who created the system; most bootloaders e. You then would need to parse the hexdump and convert it into actual binary values. Such interfaces are usually proprietary, and may or may not be documented Microchip's is well known.
For devices such as microcontrollers that have the flash chip built-in i. Personally, since I don't deal much with microcontroller based systems, dumping the flash chip directly is usually my go-to for grabbing a copy of the firmware from the device.
Extracting the content of a hardware chip is known as " snarf "ing. That term may help with your Google searches. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. How do I extract a copy of an unknown firmware from a hardware device?
Ask Question. Asked 6 years, 8 months ago. Active 2 years, 1 month ago. Viewed 56k times. I want to buy this tool. Active Oldest Votes. Try searching the web for a device that was - with design specifications and all - available under NDA but is no more. Speaking from experience. Jason Geffner Jason Geffner Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.
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The Overflow Bugs vs. Featured on Meta. Responding to the Lavender Letter and commitments moving forward. Linked Related 3. Hot Network Questions.Compact, lightweight, and fast, ExtractNow manages to do more with less than other freeware archive utilities: less system resources, less desktop real estate, and less fuss. ExtractNow integrates with Windows Explorer context menus. Recent updates include improved RAR file test mode and extraction. Light and fast: At just 1. When it's set up to your satisfaction, ExtractNow can unzip files with a single click.
Plain but efficient: ExtractNow's user interface is nothing more than a list view with three buttons: Settings, Clear, and Extract. But many options can be configured from a Windows-style tabbed settings dialog, including a Drag-and-Drop Exclusion List, Directory Monitoring, and Passwords.
Help: Help includes an extensive Web-based manual with documentation, screenshots, and more. Help button: The Help button is on the Settings dialog, not the main interface, which could be frustrating for some users, though perhaps placing it under Settings will prompt users to explore ExtractNow's options and maybe even answer their questions.
ExtractNow is about as far from flashy as freeware gets, but it impresses with performance, not a fancy layout.
It's a no-nonsense performer that more than holds its own against far more complex programs that somehow don't seem to do more than ExtractNow does. ExtractNow supports encrypted archives as well. In addition, you can use password lists to iterate through a list of passwords to find the one that works right for your encrypted archive. It supports advanced shell integration with Windows Explorer through the user of file type associates and context menus.
Whoever said this program doesn't work is just plain stupid. You don't drag and drop anything right click and set it up. I extracted gb continually over 3 days with NO HICCUPS and extraction within extraction while monitoring a directory for archives, auto deleting after extraction and archives within archives. Great little tool that I have used for years and just installed it on my new Surface Pro 4 running Windows 10 with no issues. I read all the reviews - PEOPLE first realize that the publisher of the software is not the one that is bundling all the ad type programs.
If you use the direct download link for the author of the software no additional software is included. If you have problems its because you are not following directions. I have literally installed this program on probably close to 1, workstations at various client sites and have never had any issues.JTAG is a physical hardware interface that makes it possible, among other things, to extract the firmware image from electronic devices.
This process of extracting the firmware image is also called dumping or snarfing. Extracting and analyzing the firmware image can be a viable option to understand its operation. You may want to improve or change the behavior of the device. Without access to the source code, one possibility is to extract the firmware to make the necessary changes and then update the device.
What if you forgot your credentials and lost access to the device? One possibility to regain access is to extract and change the firmware image. If you are a security researcher, you may want to extract the firmware of the device to look for vulnerabilities in the software. And what if the device is very old and is no longer being manufactured or sold by the vendor?
You may want to clone it, and extracting the firmware image will be essential in this process. As we can see, there are many situations that can motivate us to extract the firmware from an electronic device. Many device manufacturers such as routers and cameras publish updated firmware images on their websites, so that customers can download and update the device. In this case, the effort to extract the firmware is zero! We can identify and remove the memory chip from the board, solder it on another board and extract the firmware.
It works, but can be quite painful and maybe a little risky there is a possibility of burning the memory chip during the extraction process. Likewise, with access to a command line terminal in the operating system serial, ssh, etc. As we can see, different techniques can be used to extract the firmware from a device, depending on the situation. In this system, the PCB was designed with several test points to be connected to a test board.
And this test board performed several checks on the connections and electronic components of the board. As the complexity of a PCB increased, it started to get difficult and complicated to design a bed-of-nails for it.
Over time, JTAG has become one of the most popular interfaces to test electronic circuits, getting other features like debugging and burning flash devices. The TAP interface implements a finite state machine 16 states that allows access to a group of registers IRDR to instrument the chip. Through this state machine, it is possible to select an operation via the IR register Instruction Register and pass parameters or check the result via the DR register Data Register.
The size of the IR register and the number of instructions supported is defined by the chip manufacturer.
For example, a 5-bit IR register will support up to 32 instructions. Each instruction has its own DR Data Registerwhich has a variable size. In addition to the instructions defined by the standard, the chip manufacturer can implement other instructions as needed.
As we can see in the line 29, the JTAG interface of this microcontroller supports up to 32 instructions 5 bits. With JTAG we can control the execution of the firmware stop the execution, inspect the memory, configure breakpoints, execute the code step-by-step, etc.
How to extract Huawei firmware and its UPDATE.APP file
As we can see, the JTAG interface is perfect for inspecting the execution of the firmware, find vulnerabilities and exploit the device. Because the JTAG interface is very convenient for the development and production of the hardware!IoT security is an exciting field that opens up the doors to a lot of interesting research. However, knowing where to start can be confusing and difficult, so we will help you get started by showing you how to dump firmware from IoT device.
One of the basic steps when pentesting an IoT device is to analyze the firmware of the device. There are several reasons for doing this, but mainly:. Often, you can find the firmware for various flash chips online by performing simple Google searches; however, the firmware may not always be available online.
This is when things get interesting, as you have to manually extract the firmware from the device by opening it and connecting to the flash chip. In any case, even if you are not conducting an assessment, extracting and analyzing the firmware of a device can be a lot of fun. Is that cliche? In this blog post, I will guide through the process of dumping firmware from a flash chip. I will not assume that you have any previous experience with hardware.
The Sricam IP camera has a number of vulnerabilities that make it an ideal device for learning IoT exploitation.
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Note that the same steps we are about to follow would apply to almost any other device. The first step is to open the device. Then, with your shiny new screwdriver kit in hand or the one screwdriver you found in your garage open the device and examine the different chips on the board.
This is what the IP camera looks like when opened up:. Device firmware lives in flash memory chips, which often have eight pins connecting it to the board. They are also relatively small. With those clues alone, we know that the flash memory chip must be the one on the bottom side of the picture above.
After some quick Googling, we determine that the chip with part number labeled MX25LF is the flash chip containing the firmware for the device. SPI is nothing more than a protocol for communications in an embedded system. SPI allows for fast, synchronous, serial communications between different components on a board, and each pin serves a different purpose for SPI communications. You can learn a lot about SPI and how it works here.
The next step is to figure out what each pin on the chip does. Since we have identified the component number for the firmware chip, we can search for the datasheet for the chip online linked above. On page 7, we see a diagram for the chip. We want to look for the following pins so that we can connect to the chip and dump the firmware:. Alright, now the question is: how do we know which pin is which in our device? Well, see that dot on the top left corner of the chip diagram? Look for that same dot on the chip to identify pin 1.
In the previous picture, you can see the dot in the top-left corner. To dump the firmware, we need a microcontroller that can communicate with SPI chips. We have a few options, including:. To make our job more comfortable, we can use a SOIC Small Outline Integrated Circuit clip to make the connections from the flash chip to our microcontroller. A SOIC clip looks like this:. The way you use a SOIC clip is relatively simple: look for the red cable to identify the end that should make contact with pin 1 of the SPI chip.Awesome guide, it really helped!
Sent from my X10 using xda app-developers app. How do u convert a backup to a ROM? I have dsiXda's kitchen on Linux Mint 15, will that work? XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? Terms of Service. Hosted by Leaseweb. GeekyDroid OP Aug Something special is coming on October 27th… October 9, These are the Best Chromebooks you can buy right now!
October 7, An early build of LineageOS Thanks Meter : In this guide I will show you how to build a flashable zip from Stock Firmware. It's my first guide on XDA so please leave feedbacks and comment it below!
What you need: 1. A stock ROM of your device 2. It will fix your status 0 error, if you follow properly! Let's go: 1. Open Cygwin kitchen folder 2. Copy system. Open Kitchen 4.Intro to Hardware Reversing: Finding a UART and getting a shell
Select Option "1" 5. Type "1" 6. Now it will create a working folder in kitchen folder and an updater-script will be added 7. Now select Option "99" 8. Please leave Feedbacks I'm happy for every Feedback and don't forget to hit thank you if you like it! Junior Member. Join Date: Joined: Jan Nice Guide bro y. OP Senior Member. Join Date: Joined: Dec