![]() ![]() The STL file is also available for download from Thingiverse and you can print your own casing using it.Īfter the print was done, I proceeded with assembling the project set up in a permanent enclosure for future use. ![]() Once it was done, my design looked something like this:Īfter I was satisfied with the design, I exported it as an STL file, sliced it based on printer settings, and finally printed it. Next, measure the dimensions of the setup using vernier to design a casing. So follow our previous tutorial on How to Program ATtiny85 IC through USB.Īfter soldering all the components on the perf board, it will look something like below: Note: It is necessary to upload a boot-loader on ATtiny85 to program it using the USB. ![]() These protection diodes are not necessary, so you can remove them if you want to build a more compact circuit than this. The R3 is a pull-up resistor that is connected between Vcc and PB3 pins of IC while the Zener Diodes (D1-D2) are added for total USB interface protection. The schematic for the ATtiny85 Rubber Ducky USB is given below. 3 Diodes (2×Zener Diode & 1×IN5819 Diode ).Components Required for Building USB Rubber Ducky To upload boot-loader on ATtiny85, follow our previous tutorial on How to Program ATtiny85 IC through USB. This project consists of two parts, first is uploading a boot-loader on ATtiny85 IC and the second is connecting a USB type male connector with ATtiny85. So in this project, we are going to build a Digispark Rubber Ducky using ATtiny85 Microcontroller IC. The USB Rubber Ducky is not easily available in every country and it is also very costly. The most important feature of a USB Rubber Ducky is that it cannot be detected by any Anti-Virus or system Firewall as it acts as an HID device. It can be programmed to inject keystroke and binary files into a system, get the cached password to hack a system, steal the victim's essential and credential data, and can inject rubber ducky payload to the victim’s system. The USB Rubber Ducky allows attackers to program microcontrollers in USB devices to perform various tasks. ![]() The USB Rubber Ducky or Bad USB is a famous attack tool that looks like a USB pen drive but acts like a keyboard when plugged into any unlocked device. ![]()
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