· 22 min insane Linux Brainfuck
HTB: Brainfuck
A six-step attack chain across WordPress, SMTP, POP3, a Flarum forum with Vigenere encryption, SSH key cracking, and RSA cryptanalysis delivers the root flag without ever gaining a root shell.
#htb
#linux
#wordpress
#smtp +4
· 20 min hard Linux Calamity
HTB: Calamity
A 32-bit Linux box with hardcoded credentials, a PHP code injection endpoint, audio steganography for SSH credentials, and an LXD group membership that provides a container escape to root.
#htb
#linux
#buffer-overflow
#audio-steganography +1