Because this vulnerability is frequently used in learning environments like Metasploitable 2, there are numerous implementations available on GitHub:
While there is no widely documented "vsftpd 2.0.8" backdoor exploit, your search likely refers to the famous . This specific version was compromised at the source level in 2011, making it one of the most well-known exploits in cybersecurity history. The Infamous vsftpd 2.3.4 Backdoor vsftpd 208 exploit github link
: When the "smiley face" username was detected, the server would open a root shell on TCP port 6200 . Because this vulnerability is frequently used in learning
: The backdoor was triggered by sending a username that contained the characters :) during an FTP login. vsftpd 208 exploit github link