[HTB] Valentine — Writeup

bigb0ss
7 min readFeb 17, 2021

This was an easy difficulty box. Good learning path for:

  • OpenSSL Heartbleed Vulnerability
  • OpenSSL RSA Private Key Decrypt
  • Tmux Running as Root Privilege Escalation

Initial Recon

Nmap

Let’s begin with an initial port scan:

$ nmap -Pn --open -sV -sC -p
bigb0ss

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