if len(sys.argv) != 2: print("Usage: %s <target_ip>" % (sys.argv[0])) sys.exit(1)
A malicious backdoor was intentionally added to the source code of version 2.3.4 between June 30 and July 1, 2011. How the Exploit Works
Set up required directories: sudo mkdir /usr/share/empty and sudo mkdir /var/ftp .
The exploit is publicly available on various platforms, including GitHub. However, note that using or distributing exploits can be against the law and can have serious consequences.
In a normal vsftpd login process, a client sends:
18;write_to_target_document1a;_TlbtacEe-Kq6vw_AyoLoBA_100;56; 0;996;0;61c; 0;26c;0;7f2; 0;fa4;0;273f; Installing & Exploiting Vulnerable FTP service on Ubuntu
You can clone a typical repository: