Category Archives: programming

Installing pyscard with Python 3+ on macOS

By | April 29, 2023

In 2020, I did some reading and writing Python code to read NSICCS (National Standard for Indonesia Chip Card Specification) using USB SmartCard Reader Gemalto PC Twin Reader. This was possible using pyscard v1.9.9 with Python 2.7. I just realized that the library was installed on my old MacBook Pro Retina 2012 and has not… Read More »

Key to the sea – CTF Write Up

By | May 1, 2021

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 »

Disassembling Binary File with Python on Mac

By | August 7, 2020

I’m currently doing some exploration towards PE32 on my macOS. Some of interesting surface analysis, some of deep analysis. But sometimes, I need only to see what kind of instructions in a small chunk of PE32. It was begin with the this blog, that discussing PE32 using Python pefile module by Ero Carrera. Installing pefile… Read More »

Small Tune in macOS

By | May 27, 2020

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

By | April 2, 2020

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 »