Once installed, Android keyloggers can record keystrokes, capture screenshots, and even send data to remote servers. They can also evade detection by hiding their presence or masquerading as system processes.
Implements a custom keyboard ( InputMethodService ) that records every key press before passing it to the target app. Advantage: No special permissions beyond BIND_INPUT_METHOD . Disadvantage: User must manually switch to the malicious keyboard in settings. Keylogger Github Android
GitHub cannot—and should not—ban all keyloggers. Security researchers need to study them. Red teams need to test defenses. But the current system of honor-based disclaimers is failing. Advantage: No special permissions beyond BIND_INPUT_METHOD
Some keyloggers on GitHub are marketed as "educational" or "research" tools, claiming to help users understand how keyloggers work. However, these tools often come with little to no warnings about their potential misuse. Others are more overtly malicious, with clear instructions on how to use them for nefarious purposes. Security researchers need to study them
This is the standard method used by both malware and legitimate apps (like password managers or automation tools).