the.com/metasploit
the aim-bot for computer security, if aiming meant politely breaking into every window in the building.
means an open-source framework for finding, exploiting, and validating security vulnerabilities in systems.
from built by hd moore in 2003 as a portable network tool in perl, rewritten in ruby by 2007, later acquired by rapid7 to become the industry-standard penetration testing platform.
module countthousands of ready-made exploits and payloads included
dual usesame tool for defenders and actual attackers
meterpreterits stealthy in-memory payload for post-exploitation control
free corecommunity edition open-source, pro version paid