Zuhri's Notes

CVE-2025-29165: Privilege Escalation D-Link DIR-1253 via the Hardcoded Component

Thu, 12 Mar 2026 00:00:00 +0000

An issue in D-Link DIR-1253 MESH V1.6.1684 allows an attacker to escalate privileges via the etc/shadow.sample component by console TTY login, which will turn into another attack vector.

Installing Slurm as HPC Workload Scheduler on Set-Top-Box

Fri, 16 Jan 2026 00:00:00 +0000

Configure and Installing Slurm HPC Workload Scheduler on unconventional low-cost arm based server, and it successfully installed.

Human Slavery and Artificial Intelligence Dillema

Sat, 10 Jan 2026 00:00:00 +0000

This post is written in Bahasa.

Fencry is a Experimental Iterative Hash based Encryption Algorithm

Wed, 05 Mar 2025 00:00:00 +0000

F-Encry is a simple Iteration symetrics Hash based Encryption algorithm, where is the Decryption key are using Encrypted value itself. Idea behind is inspired by Money Heist, Mr. Robot, & Women Entropy.

Performing SAST on Dlink DIR-1253 Firmware (White version)

Thu, 27 Nov 2025 00:00:00 +0000

The second revelation, they have been released official support into this devices! but, its different. This firmware incompatible with DLINK DIR-1253 Black Version.

Turn Multiple Tvbox into LLM Clusters Supercomputer with Dllama

Sun, 15 Jun 2025 00:00:00 +0000

LLM stand for Large Language model, normies will never have access to giant horse power to runit, except our homies are part of Elite global! but this a poor man are really create those one with his Tvbox and turn it into supercomputer, see how!

Linux Server Hardening Guides: IDS and IPS with Fail2ban

Sat, 24 May 2025 00:00:00 +0000

Intrusion Detection and Prevention System or IDS & IPS used for hardening security purpose to make our machine more secure and reliable, by implementing this technique we can decrease few risk that can effecting our properties.

Utilizing Android Debug Bridge (ADB) for Android Data Acquisition

Wed, 14 May 2025 00:00:00 +0000

In DFIR progress, data acquisition is most important thing before jump to the next step, differences of media make it more challenges about how to perform data acquisition, but here i’ll try to explain how to perform data acquisition in android devices using ADB with prequisite.

Installing Large Language Model on Tvbox with llama.cpp

Fri, 09 May 2025 00:00:00 +0000

LLM is shorten of Large Language Model or in simple way that the brain of AI, as we see in GPT, Deepseek, or any else they working LLM in behind but the diffrent with our case we dont have giant horse-power, so! lets put on SBC.

Anti-forensics Demonstrate: Combination of Obscurity Methods

Mon, 05 May 2025 00:00:00 +0000

This page will explain about how to make the DFIR investigator more working harder and todo more complex problem to solve, before you start Terms are advice to read the author will not take any responsibility about what happen in the future.

Opensource Intelligent Cheatsheet with Google Search Engines

Sun, 27 Apr 2025 00:00:00 +0000

A comprehensive Opensource Intelegence cheatsheet using google dorking technique, find someone legally with this technique.

Built Cheap Overpower Router using Tvbox

Thu, 24 Apr 2025 00:00:00 +0000

This page will explain about how to build cheap over power router with single board computer (TV Box Tanix TX6), the absolutly good price come with ton of functionality i’ve done make to run webserver, even LLM it chaped at 1t/s at 0.3b.

Simulating File Recovery and Incident Responses Scenario

Fri, 11 Apr 2025 00:00:00 +0000

Anti-forensic is act how to prevent information being access or recovered, that suppose to escape from the investigator or it can be use for data protection in legitimates way. This post will explain with narative howto combined to make the reader more easier to understand, hope so works as i want.

Get-rid Bufferbloat and Speed Up your Network with SQM in Linux

Sat, 05 Apr 2025 00:00:00 +0000

This posts will explain how to eliminates network buffer (delay/lag) with free open source software called SQM (Smart Queue Management)

Comprehensive Nmap (Network Mapper) Cheatsheet

Wed, 26 Mar 2025 00:00:00 +0000

Nmap Network Mapper is an open source tool for network exploration and security auditing, and this a comprehensive nmap cheatsheet to analyze our network.

Installing OpenWrt Firmware on Mi Router 4A Gigabit

Sat, 15 Mar 2025 00:00:00 +0000

Get rid the default, embrace the new one for better privacy, installing Openwrt on Mi Router 4a Gigabit. penwrt is FOSS firmware that offers better flexibility, performance and security. Here we trying to install it on my own Router Xiaomi 4a Gigabit

Turn Bloated Debian Based Distro into Lightweight Dietpi

Thu, 06 Mar 2025 00:00:00 +0000

You can use DietPi as long as you need, its works even to your PC. The flexible OS you can install everywhere. This is not ads! but this OS just absolutly good, because if you using this, your limited RAM feel like still limited of course but it more free.

Installing Lightweight Dietpi for Orangepi Zero 3 Single Board Computer

Wed, 05 Mar 2025 00:00:00 +0000

Installing Dietpi the most lightweight OS for SBC on Orange Pi Zero 3, a lightweight debian base operating system, that OS are focus in Single Board Computer with limited resource.

Installing Armbian for Tanix TX6 Set-Top-Box

Mon, 03 Mar 2025 00:00:00 +0000

Installing armbian on TvBox, good for expensive SBC Raspberry Pi Alternative, and this my cute little server btw.

Guides to Installing Archlinux for Absolute Beginner

Sat, 01 Mar 2025 00:00:00 +0000

The edgy elitist OS (Archlinux). The user known as Elitist that because in long time ago Arch came with un-friendly installation, by who have successfully put this OS on their PC life heararchy will stonks goes to Mars. Then they are praying with ‘I use Arch BTW’ before everything.

Revelation: Performing SAST on Dlink DIR-1253 Firmware

Sat, 22 Feb 2025 00:00:00 +0000

Performing static firmware security analysis Dlink DIR-1253, but weird thing happen! I try to report vulnerability about this, that hit me with true revelation and the funny is, they dont realizing ever make it.

About

Mon, 01 Jan 0001 00:00:00 +0000

M. Saifuddin Zuhri #

Also known as Zuhri, born in 2004, live in Indonesia also Indonesian.

I’m a GNU/Linux Engineer who also doing codes for just fun, and mostly on shell script and rust. I’m copyleft oriented. I believe the philosophy Free and Open-source Software (FOSS) will accelerating human beings, so I stick with it.

Currently built Trondol Cluster and do Security R&D. I like todo things useful. Therefore, this site aims to conduct my passion and record about what I’ve done.