Linux Keylogger

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A keylogger for Linux written in C.

Requires root to run. The keylogger can be run in the following modes:

• Debug: captures key strokes and prints their key codes onto the screen.
• Map generation: asks the user to enter certain keys and generates a map file which can later be used in a capture session.
• Capture: provided a map file and a log file, the keylogger starts a capture session and saves every captured key into the given log file.

To enter debug mode, run the keylogger as follows:

keylogger debug

To generate a key map for your keyboard, run the following command:

keylogger generate mykey.map

Once you have generated a key map, you are ready to proceed with keylogging. To start a capture session, issue the following command:

keylogger mykey.map out.log

The logged key strokes will be saved in out.log. The keylogger will append the strokes to the log file if it already exists. A timestamp is inserted for each capture session.