This article is provided for educational and security research purposes only. Unauthorized access to computer systems is illegal. The "vsftpd 2.0.8 backdoor" is a historical vulnerability. You should only test this in isolated lab environments or on systems you own.
Because this is a "classic" vulnerability used frequently in penetration testing labs (like Metasploitable), many security researchers have archived the exploit or created Python-based automation scripts for it on GitHub. How to locate scripts: vsftpd 208 exploit github install
vsftpd 2.0.8 does have a well-known remote code execution exploit. The famous vsftpd vulnerability is: Disclaimer: This article is provided for educational and
git clone https://github.com/rapid7/metasploit-framework.git cd metasploit-framework gem install bundler bundle install You should only test this in isolated lab
The vsftpd 2.3.4 backdoor is triggered by sending a username ending in , which opens a shell on port Download & Install
nc -nv 192.168.1.100 6200 id whoami
No password needed. No logs of successful exploit (in many configurations). Pure control.