![]() ![]() It has to wait until the device tells it what kind it is. In fact, the OS knows nothing about the connected device. Without thinking, we plug the USB into the socket and the OS automatically determines the type of device and loads the required drivers.īut how does it do it? How flash drives work Just think how many devices we connect it to and how many devices it works with! Mouses, keyboards, printers, scanners, gamepads, modems, access points, web cameras, telephones, etc. PrerequisitesĪ USB is a really universal interface. All this suggested that the same trick could also be played with flash drives. The device disguised itself as a regular USB flash drive. If we search the magazine's archives, we can find an article on a similar topic describing the technique of using a special Teensy device to control a PC running Windows 7 (actually, with any OS). It's a sin not to use the fact that the OS trusts devices connected to a USB interface. Similar ideas for using HID devices for malicious purposes have been around for a while. ![]() ![]() The attack was called BadUSB, but later jokes appeared on the Internet referring to USBola, comparing this attack to the well-known virus. One of the most discussed was a report on the fatal vulnerability of USB devices, which allows regular USB flash drives to be turned into a tool for spreading malware. Last year's Black Hat was full of many interesting reports. Don't forget that making the described changes to your USB flash drive may not only void the device's warranty but may also kill it.
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