Hacking tools are computer programs used to gain unauthorized access to a computer system. The most common hacking tools include VIRUS, AXE, and BOLO. A VIRUS is a malicious software program that can replicate itself and spread from one computer to another. An AXE is a type of hacking tool that is used to break into a computer system by exploiting security vulnerabilities. Finally, a BOLO is a type of hacking tool that is used to search for specific information on a computer system.