<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>f1rst - Tech blog</title><description>f1rst the potato tech blog</description><link>https://blog.phannhat.com/</link><item><title>Tracing HuntPanel: a 2023 origin, a rebrand and a tenant fleet</title><link>https://blog.phannhat.com/blog/tech/huntpanel-origins/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/huntpanel-origins/</guid><description>The console behind the recruitment kit in part one ships onboarding material for its customers, increments a build constant and shares its code, its services and its configuration variables with a phishing operation documented in September 2023 as RedLungfish. This is what the capture record and the panel build support.</description><pubDate>Mon, 12 Oct 2026 00:00:00 GMT</pubDate></item><item><title>HTB - Mobile Challenge Writeup</title><link>https://blog.phannhat.com/blog/tech/htb-mobile-challenge-writeup/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/htb-mobile-challenge-writeup/</guid><description>Some writeup for a mobile challenge on Hack The Box Lab.</description><pubDate>Sat, 10 Oct 2026 00:00:00 GMT</pubDate></item><item><title>HTB - Web Challenge Writeup</title><link>https://blog.phannhat.com/blog/tech/htb-web-challenge-writeup/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/htb-web-challenge-writeup/</guid><description>Some writeup for a web challenge on Hack The Box Lab.</description><pubDate>Fri, 09 Oct 2026 00:00:00 GMT</pubDate></item><item><title>HuntPanel: a rented phishing kit with an operator on the socket</title><link>https://blog.phannhat.com/blog/tech/huntpanel-recruitment-kit/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/huntpanel-recruitment-kit/</guid><description>Technical analysis of a live General Motors careers phishing deployment and the kit behind it: cloned brand pages, a collection form, a fake identity provider, and a Socket.IO console that lets an operator steer the victim. 245 captures across 108 registrable domains, with detection opportunities and indicators.</description><pubDate>Wed, 07 Oct 2026 00:00:00 GMT</pubDate></item><item><title>A CTFd container plugin that fits on one machine</title><link>https://blog.phannhat.com/blog/tech/ctfd-docker-containers-plugin/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/ctfd-docker-containers-plugin/</guid><description>Notes on writing a lightweight CTFd container plugin for a university CTF, including per-team flags and flag sharing detection.</description><pubDate>Sun, 04 Oct 2026 00:00:00 GMT</pubDate></item><item><title>From CTF Flags to Real-World CVEs: The Art of Calculated Persistence</title><link>https://blog.phannhat.com/blog/tech/from-ctf-flags-to-real-world/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/from-ctf-flags-to-real-world/</guid><description>Reflections on solving SocratesPanel, the differences between CTFs and the real world, and how AI agents are changing the game for security researchers.</description><pubDate>Thu, 07 May 2026 00:00:00 GMT</pubDate></item><item><title>HTB Certified Penetration Testing Specialist (CPTS) Post-Exam Reflection</title><link>https://blog.phannhat.com/blog/tech/htb-cpts-review/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/htb-cpts-review/</guid><description>My post-exam reflection of the CPTS certification from Hack The Box</description><pubDate>Mon, 26 Jan 2026 00:00:00 GMT</pubDate></item><item><title>Pivoting with Ligolo-ng</title><link>https://blog.phannhat.com/blog/tech/network-pivoting-with-ligolo/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/network-pivoting-with-ligolo/</guid><pubDate>Tue, 16 Dec 2025 00:00:00 GMT</pubDate></item><item><title>Building My Blue Team Skills from the Ground Up</title><link>https://blog.phannhat.com/blog/tech/building-my-blue-team-skills-from-the-ground-up/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/building-my-blue-team-skills-from-the-ground-up/</guid><description>Documenting my journey to enhance my blue team skills step by step.</description><pubDate>Tue, 14 Oct 2025 00:00:00 GMT</pubDate></item><item><title>What I Learned After Passing the CEH Master Certification</title><link>https://blog.phannhat.com/blog/tech/what-i-learned-after-passing-the-ceh-master-certification/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/what-i-learned-after-passing-the-ceh-master-certification/</guid><description>CEH Master Certification Review: Theory, Practical, and My Experience</description><pubDate>Mon, 15 Sep 2025 00:00:00 GMT</pubDate></item><item><title>Prometheus: Authentication cho các endpoints</title><link>https://blog.phannhat.com/blog/tech/prometheus-authentication-cho-cac-endpoints/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/prometheus-authentication-cho-cac-endpoints/</guid><description>Hướng dẫn bảo vệ các metric endpoints của Prometheus bằng cách thêm authentication.</description><pubDate>Sat, 30 Nov 2024 00:00:00 GMT</pubDate></item><item><title>Trực quan hóa dữ liệu với Grafana</title><link>https://blog.phannhat.com/blog/tech/truc-quan-hoa-du-lieu-voi-grafana/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/truc-quan-hoa-du-lieu-voi-grafana/</guid><description>Hướng dẫn cài đặt và tích hợp Grafana với Prometheus.</description><pubDate>Sat, 30 Nov 2024 00:00:00 GMT</pubDate></item><item><title>Prometheus: Công cụ giám sát mạnh mẽ</title><link>https://blog.phannhat.com/blog/tech/prometheus-cong-cu-giam-sat-manh-me-va-de-mo-rong/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/prometheus-cong-cu-giam-sat-manh-me-va-de-mo-rong/</guid><description>Tổng quan về Prometheus và cách cài đặt cơ bản.</description><pubDate>Fri, 29 Nov 2024 00:00:00 GMT</pubDate></item><item><title>Openstack #2: Node và Networking trong openstack</title><link>https://blog.phannhat.com/blog/tech/openstack-2-node-network-trong-openstack/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/openstack-2-node-network-trong-openstack/</guid><description>Tiếp nối bài viết trước, hôm nay chúng ta sẽ cùng tìm hiểu về khải niệm Node và các loại Networking trong openstack</description><pubDate>Thu, 28 Nov 2024 00:00:00 GMT</pubDate></item><item><title>Openstack #1: Tổng quan khái niệm</title><link>https://blog.phannhat.com/blog/tech/openstack-1-tong-quan-khai-niem/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/openstack-1-tong-quan-khai-niem/</guid><description>Tổng quan khái niệm về Openstack.</description><pubDate>Tue, 26 Nov 2024 00:00:00 GMT</pubDate></item><item><title>Quản lý các host từ xa bằng Portainer Agent</title><link>https://blog.phannhat.com/blog/tech/quan-ly-cac-host-tu-xa-bang-portainer-agent/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/quan-ly-cac-host-tu-xa-bang-portainer-agent/</guid><description>Hướng dẫn quản lý các host từ xa bằng Portainer Agent.</description><pubDate>Thu, 19 Sep 2024 00:00:00 GMT</pubDate></item><item><title>Quản lý docker đơn giản với Portainer</title><link>https://blog.phannhat.com/blog/tech/quan-ly-docker-don-gian-voi-portainer/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/quan-ly-docker-don-gian-voi-portainer/</guid><description>Hướng dẫn cài đặt Portainer để quản lý Docker.</description><pubDate>Wed, 18 Sep 2024 00:00:00 GMT</pubDate></item><item><title>CTFd #2 - Theme và email</title><link>https://blog.phannhat.com/blog/tech/ctfd-2-theme-va-email/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/ctfd-2-theme-va-email/</guid><description>Hướng dẫn cài đặt theme và email cho CTFd.</description><pubDate>Fri, 08 Mar 2024 00:00:00 GMT</pubDate></item><item><title>Làm quen CLI dễ dàng với ZSH</title><link>https://blog.phannhat.com/blog/tech/lam-quen-cli-de-dang-voi-zsh/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/lam-quen-cli-de-dang-voi-zsh/</guid><description>Hướng dẫn cài đặt ZSH và Oh My Zsh.</description><pubDate>Sat, 03 Feb 2024 00:00:00 GMT</pubDate></item><item><title>CTFd #1 - Bước đầu setup</title><link>https://blog.phannhat.com/blog/tech/ctfd-1-buoc-dau-setup/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/ctfd-1-buoc-dau-setup/</guid><description>Bước đầu setup CTFd.</description><pubDate>Sat, 04 Nov 2023 00:00:00 GMT</pubDate></item><item><title>BKCTF 2023 - Metadata checker</title><link>https://blog.phannhat.com/blog/tech/bkctf-2023-metadata-checker/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/bkctf-2023-metadata-checker/</guid><description>A writeup for the Metadata checker challenge from BKCTF 2023.</description><pubDate>Fri, 18 Aug 2023 00:00:00 GMT</pubDate></item><item><title>RITSEC CTF 2023 Writeup</title><link>https://blog.phannhat.com/blog/tech/writeup-ritsec-ctf-2023/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/writeup-ritsec-ctf-2023/</guid><description>Writeup for the Web challenges of RITSEC CTF 2023.</description><pubDate>Fri, 18 Aug 2023 00:00:00 GMT</pubDate></item><item><title>The DEW - Space Heroes CTF</title><link>https://blog.phannhat.com/blog/tech/writeup-space-heroes-ctf/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/writeup-space-heroes-ctf/</guid><description>Writeup for The DEW challenge from Space Heroes CTF.</description><pubDate>Fri, 18 Aug 2023 00:00:00 GMT</pubDate></item><item><title>Writeup ångstromCTF 2023</title><link>https://blog.phannhat.com/blog/tech/writeup-angstromctf-2023/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/writeup-angstromctf-2023/</guid><description>Writeup for 2 challenges from ångstromCTF 2023.</description><pubDate>Wed, 26 Apr 2023 00:00:00 GMT</pubDate></item><item><title>Writeup Web 247CTF</title><link>https://blog.phannhat.com/blog/tech/writeup-web-247ctf/</link><guid isPermaLink="true">https://blog.phannhat.com/blog/tech/writeup-web-247ctf/</guid><description>Writeups for 247CTF web challenges: trusted client, secured session, compare the pair, and a race condition in ACID flag bank.</description><pubDate>Sat, 18 Feb 2023 00:00:00 GMT</pubDate></item></channel></rss>