There is specifically targeting vsftpd version 2.0.8 . While this version is frequently encountered in Capture The Flag (CTF) challenges like Stapler on VulnHub or Hack The Box machines, its "vulnerability" is typically limited to anonymous login or general misconfigurations rather than a code defect.
While GitHub is a valuable resource for learning, users should exercise extreme caution when downloading and executing scripts found in public repositories. Malicious actors often disguise malware as "exploit scripts" to infect the machines of aspiring security researchers.
Understanding the VSFTPD 2.3.4 Backdoor Exploit and GitHub Repository Safety vsftpd 208 exploit github link
The term "vsftpd 208" is likely a misconception or typo resulting from a misunderstanding of the version or a specific lab scenario. The actual vulnerability is CVE-2011-2523, which affects VSFTPD version 2.3.4 released between June 30 and July 1, 2011. What is the VSFTPD 2.3.4 Backdoor?
The most common "exploit" searches for vsftpd on GitHub center around the following: PwnHouse/OSVDB-73573/README.md at master - GitHub There is specifically targeting vsftpd version 2
The exploit is remarkably elegant in its simplicity. When a user connects to the compromised FTP service, the daemon listens normally to incoming login credentials. However, the malicious code scans the provided username string.
The exploit is often referred to as CVE-2011-3468 and has been widely publicized in the security community. A proof-of-concept exploit was even published on GitHub, making it easily accessible to malicious actors. Malicious actors often disguise malware as "exploit scripts"
Hellsender01/vsftpd_2.3.4_Exploit: Python exploit for ... - GitHub
If a user logs into the FTP server and provides a username ending with a smiley face—specifically :) —the backdoor is triggered.
: The server opens a hidden listener on network port 6200 .