THE article discusses the ongoing popularity of webshells, particularly a new variant called ZypeerShell. This webshell, claimed to be 'the most powerful, undetectable, and feature-rich PHP webshell' is available on GitHub. The author, Xavier Mertens, notes that ZypeerShell offers traditional webshell capabilities and includes a function intended for connecting to a command-and-control server, though it is not activated in the version examined.
The repository also has an obfuscated version and ZypeerShell is mentioned on a Telegram channel as a red-team tool. The entry emphasizes the persistent issue of webshells in cybersecurity.