McDonagh Corp

Teensy Hardware Keylogger

By Thomas McDonagh
December 10, 2018

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Hardware keylogger that uses a Teensy 3.6 to capture keystrokes, write them to a micro sd card, and send the keystrokes through the micro usb port on the Teensy. Keystrokes can either be read off sd card by taking it out or holding shift + password (default is 7980) to dump contents of text file out to the keyboard. Code can be found here. Keyboard should be connected to female usb port and micro usb to male usb cable should be used to connect to computer. Pinout information.