PG Algernon Writeup — SmarterMail Deserialization RCE (2026)
Proving Grounds box — anonymous FTP, SmarterMail on a weird port, .NET deserialization RCE straight to SYSTEM. No privesc needed.
Proving Grounds box — anonymous FTP, SmarterMail on a weird port, .NET deserialization RCE straight to SYSTEM. No privesc needed.