https://toannguyen3107.github.io/Minh ToanThis blog is dedicated to sharing my knowledge and experiences in technology, cyber security, and penetration testing. Here you'll find articles, tutorials, and insights aimed at helping others learn and stay updated in the ever-evolving world of IT and security. 2026-07-15T13:49:39+07:00 Minh Toan https://toannguyen3107.github.io/ Jekyll © 2026 Minh Toan /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png Hack The Box: Jeeves Walkthrough2026-04-17T00:00:00+07:00 2026-07-15T13:47:46+07:00 https://toannguyen3107.github.io/posts/HTB-Jeeves/ toancse Reconnaissance I began with a full TCP port scan. The target exposed HTTP, MSRPC, SMB, and an unknown web service on port 50000. cat nmap_tcp.txt # Nmap 7.95 scan initiated Thu Apr 16 11:30:08 2026 as: /usr/lib/nmap/nmap --privileged -Pn -sT -p- -oN nmap_tcp.txt 10.129.228.112 Nmap scan report for 10.129.228.112 Host is up (0.24s latency). Not shown: 65531 filtered tcp ports (no-response) POR... Hack The Box: Fluffy Walkthrough2026-04-12T00:00:00+07:00 2026-07-15T13:27:21+07:00 https://toannguyen3107.github.io/posts/HTB-Fluffy/ toancse Description As is common in real life Windows pentests, you will start the Fluffy box with credentials for the following account: j.fleischman / J0elTHEM4n1990! Nmap scan cat nmap_services.txt # Nmap 7.95 scan initiated Sat Apr 11 09:30:34 2026 as: /usr/lib/nmap/nmap --privileged -sV -sC -p 53,88,139,389,445,464,593,636,3268,3269,5985,9389 -oN /home/kali/htb/Fluffy/nmap_services.txt 10.129.2... Lost In Hyperspace2025-08-01T07:00:00+07:00 2026-07-15T13:24:19+07:00 https://toannguyen3107.github.io/posts/HTB-Lost-in-Hyperspace/ toancse Introduction This is a medium-difficulty Hack The Box challenge in the AI - ML category. Challenge Description A cube is the shadow of a tesseract cast onto three dimensions. I wonder what other secrets the shadows may hold. Solution Install the required visualization and machine-learning libraries: %pip install seaborn scikit-learn First, load the supplied .npz file and inspect its two... First Blog2025-07-22T07:00:00+07:00 2025-07-22T07:00:00+07:00 https://toannguyen3107.github.io/posts/First-Blog/ toancse Welcome to My First Blog Post This is my first post using the Jekyll Chirpy theme. Stay tuned for more updates and tutorials!