[HTB] Unattended — Writeup (OSWE-Prep)

bigb0ss
10 min readApr 13, 2021

Unattended was a medium difficulty Linux box. Good learning path for:

  • Nginx off-by-slash Attack
  • SQLi (boolean-based Blind)
  • SQLi → LFI (Abusing Existing <?php include(); ?>)
  • LFI → PHP Session Poisoning → RCE
  • Socket TTY Shell
  • Linux initrd Exploit

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bigb0ss

OSWE | OSCE | OSCP | CREST | Lead Offensive Security Engineer — All about Penetration Test, Red Team, Cloud Security, Web Application Security