Decoding Skynet: Unveiling the Enigmatic Cybernetic Labyrinth

This blog article covers a recent penetration testing journey in which I dived into the depths of a system known as Skynet. The path involves extensive reconnaissance, exploiting flaws, and eventually acquiring access to both user and root rights.

Initial Reconnaissance

Nmap Scan:

sudo nmap -sV -sS -A <IP>

Open Ports

• 22/tcp: OpenSSH 7.2p2 Ubuntu 4ubuntu2.8
• 80/tcp: Apache httpd 2.4.18 (Ubuntu)
• 110/tcp: Dovecot pop3d
• 139/tcp: Samba smbd 3.X — 4.X
• 143/tcp: Dovecot imapd
• 445/tcp: Samba smbd 4.3.11-Ubuntu

Gobuster:

gobuster dir …

thm-writeup