rubber ducky

Using these devices we can inject keystrokes. A device which looks like an innocent flash drive to humans — abuses this trust to deliver powerful payloads, injecting keystrokes at superhuman speeds.

ATMEGA32U4

The equipment we provided for the use of the test, not for illegal purposes, or peril.
Microcontroller: ATmega32u4
Clock Speed: 16 MHz
Operating Voltage: 5V DC
Digital I/O Pins: 10
PWM Channels: 4
Analog Input Channels: 5
UART: 1
I2C: 1
Micro USB: 1
Flash Memory: 32 KB of which 4KB used by bootloader
SRAM: 2.5 KB
EEPROM: 1 KB

Package Included:
1 * BadUsb Beetle USB ATMEGA32U4 Development Board Module

HiLetgo BadUsb Beetle Bad USB Microcontroller ATMEGA32U4 Development Board Virtual Keyboard for Arduino Leonardo R3 DC 5V 16MHz

Attiny85 digispark

Install Arduino IDE

Software

Run the following command to add your user to the dialout group:

sudo usermod -aG dialout $USER

Download and install board specifications

ATMEGA32U4: Arduino Leonardo

Script to open a page (Ubuntu):

#include <Keyboard.h>

void setup() {
  // Begin the keyboard
  Keyboard.begin();
  
  // This delay gives you time to switch focus to the target machine
  delay(5000);

  // Open Terminal using the shortcut Ctrl+Alt+T
  Keyboard.press(KEY_LEFT_CTRL);
  Keyboard.press(KEY_LEFT_ALT);
  Keyboard.press('t');
  delay(100); // Wait for key press to register
  Keyboard.releaseAll();
  delay(1000); // Wait for the terminal to open

  // Type the command to open Firefox
  Keyboard.print("firefox xxxx.pt");
  Keyboard.press(KEY_RETURN);
  delay(100); // Wait for key press to register
  Keyboard.releaseAll();
}

void loop() {
  // The loop function is empty since the task is completed in setup()
}

Attiny85 digispark

Install digispark board

https://raw.githubusercontent.com/digistump/arduino-boards-index/master/package_digistump_index.json

Install Digistump AVR Baords.

Go to the tools and select:

• Board > Digistump > Digispark (Default - 16.5 mhz)

Script to open a page (Ubuntu):

#include "DigiKeyboard.h"

void setup() {
  // This delay gives you time to switch focus to the target machine
  DigiKeyboard.delay(5000);

  // Open Terminal using the shortcut Ctrl+Alt+T
  DigiKeyboard.sendKeyStroke(KEY_T, MOD_CONTROL_LEFT | MOD_ALT_LEFT);
  DigiKeyboard.delay(1000);

  // Type the command to open Firefox
  // The 'firefox &' command should be the same, but you might need to adjust based on the keyboard layout
  DigiKeyboard.print("firefox xxxxx.pt");
  DigiKeyboard.sendKeyStroke(KEY_ENTER);
}

void loop() {
  // The loop function is empty since the task is completed in setup()
}

Troubleshooting

Check Serial Port Permissions (Linux)

1. Open a terminal.

2. Check the permissions of the serial port:

   ls -l /dev/ttyACM0

   Ensure the output shows that the dialout group has read and write permissions:

   crw-rw---- 1 root dialout 166, 0 Jun 15 12:00 /dev/ttyACM0

Udev Rules (Linux)

If you still encounter issues, you may need to add a udev rule to set the correct permissions automatically.

1. Create a new udev rules file:

   sudo nano /etc/udev/rules.d/99-arduino.rules

2. Add the following line to the file:

   SUBSYSTEM=="tty", ATTRS{idVendor}=="2341", ATTRS{idProduct}=="8036", MODE="0666", GROUP="dialout"

3. Save the file and exit the editor (in nano, press CTRL + O to save, then CTRL + X to exit).

4. Reload the udev rules:

   sudo udevadm control --reload-rules
   sudo udevadm trigger

Reboot the Computer

Sometimes a simple reboot can resolve issues with USB devices and permissions.