RATs are remote administration programs that have been embedded into an unsuspecting victim's computer. Top 10 RATs (remote administration tool) Listed below are the top key loggers reported. Key logging allows a prospective hacker to gain access to the user name, passwords, and even ID numbers entered into sensitive online bank accounts or passwords to remote control programs. Key loggers, like the name suggests, are programs that record keystrokes from the computer keyboard and either logs it to the computer or sends it to its maker through a built in e-mail engine. Some of these programs were written for legitimate uses and are abused as a hacking tool. Most of these programs have been written and are freely distributed from 'Hacker' web sites. Hacker tools are programs written to access a computer system using known software vulnerability.