Simple hardware keylogger storing keys at internal eeprom
Requirements:
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Arduino PRO micro 3.3V
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USB host shield
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IDE arduino: http://arduino.cc
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Basic keylogger example code: https://github.com/joelsernamoreno/hcon2019
Connect:
USB Host pinout:
Arduino ProMicro pinout:
Installation:
1.- Download the arduino IDE and this repository
2.- Copy the Keyboard library to the arduino library directory
3.- Copy the USB Host library to the arduino libary directory
4.- Open the arduino IDE
5.- Select the "LilyPad Arduino USB" board (Tools -> Board -> LilyPad Arduino USB)
5.- (Optional) Check the connection between ProMicro and USB Host is correct with the example board_qc (File -> Examples -> Custom library examples -> USB Host Shield Library 2.0 -> board_qr)
6.- Open sketch basic_keylogger.ino
7.- Compile and upload
Demo:
1.- When the code is uploaded, open the serial monitor
2.- Type Hello World with your physical keyboard connected to the USB Host module
3.- Open a notepad
4.- To view the previously saved Hello World, press the key combination: LEFT_CTRL + LEFT_ALT + A (Hello World should appear in notepad)
If you have any questions, you can contact us by twitter:
@JoelSernaMoreno @ernesto_xload