Category Archives: programming

Suspicious Code Repository for Job Seeker (Part 3)

This is the third part of dissecting the obfuscated NodeJS code. Just in case you missed1. Part 1, you can read it here: https://tintinnya.com/2024/09/suspicious-code-repository-for-job-seeker-part-1/ and 2. Part 2 here: https://tintinnya.com/2024/10/suspicious-code-repository-for-job-seeker-part-2/ Function P(), ot(), rt() are called if the victim is using ‘linux’ platform. Section 3.1.2 function P()Let’s see what is this function do At glance,… Read More »

Suspicious Code Repository for Job Seeker (Part 2)

This is the second part of dissecting the obfuscated NodeJS code. Just in case you missed the Part 1, you can read it here: https://tintinnya.com/2024/09/suspicious-code-repository-for-job-seeker-part-1/ From the first dropper discussed in the Part 1, I found another obfuscated NodeJS file named test.js which was downloaded from the IP address and port number hiding in the… Read More »

Key to the sea – CTF Write Up

It takes 14 minutes to read this blog.Updated May 2nd, 2021: adding some clarity on several parts. It’s been a long time since I played my last CTF. Most of the CTFs I played were on the weekend and it was only 24 hours. But this CTF is special because it runs internally. Kinda fun,… Read More »

Small Tune in macOS

I usually did these steps when having a newly installed macOS. This post also serves as my personal notes on how to do several things such as:1. Changing the terminal appearance with colorful prompt.2. Finder shows hidden folders/files.3. Changing default folder of Screenshot file 1. Changing the terminal appearance with colorful prompt. 2. Finder shows… Read More »

Odd CSV File

As a lecturer, I wanted to register my students into my Ubuntu machine. I wanted it done in a fancy way: scripting. Then I began to download the list of my students from our system, opened it with Microsoft Excel sheet format, and saved it as CSV format. It was just another script to parse… Read More »