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Aku Satria Ady Pradana. Seorang reverse engineer dan konsultan yang biasa disebut sebagai xathrya.

Beberapa bulan yang lalu, tepatnya bulan Februari, kami mendirikan sebuah komunitas kecil bernama Reversing.ID. Reversing.ID adalah sebuah komunitas berbasis kesamaan minat yang berfokus pada pembahasan segala hal berkaitan dengan Reverse Engineering. Dengan kata lain, ini adalah wadah bagi peminat RE untuk berkreasi dan berdiskusi serta membongkar segala macam hal yang menarik.

Tujuan kami sederhana, memasyarakatkan Reverse Engineering dan mengumpulkan orang untuk dapat saling berbagi dan bertukar pikiran tentang Reverse Engineering.

Reverse Engineering kadang dianggap sebagai sesuatu hal yang tabu, ilmu hitam, dan dekat dengan dunia underground. Hal ini tidak sepenuhnya benar. Reverse Engineer dapat digunakan oleh seorang programmer untuk mempelajari program jadul dan melakukan porting ke platform yang baru. Reverse Engineer juga dapat digunakan untuk mempelajari alur program untuk menemukan bug terutama security. Pada akhirnya, semua ilmu bergantung kepada sang pengguna.

Apa yang kami lakukan?

  • Berbagi challenge dan pembahasannya
  • Berbagi materi dan bahan bacaan
  • Diskusi tentang suatu materi
  • Kulgram (kuliah telegram) yang membahas topik tertentu.

Bergabung bersama kami di

Sister Site

January 1, 2017 | News | No Comments

Hi, Xathrya’s here.

Two years ago I was palling to spin off some sister sites. It’s not abandoned yet, just forgotten for awhile. This time, I will gradually maintained them as well as this main site.

Again, why should I create them and not using this site? At first I don’t have particular reason. Really I just want to create it and organize focused materials on them while maintaining broader things here. But now I add a new goal. To build community with people sharing about mutual interest.

But the main fact: it sounds cool to collect all domain related to yourself as a single name :p

So far, the sister sites are not changes. The main site will acts as umbrella project. These sisters will be part of NEST, which again it sounds cool. Currently I’m searching for contributor and content writers to help me direct the sites. I plan not to palce ads to these sites as well as main site.

OK, so here is the list:

Xathrya’s CF

Xathrya’s CF or Xathrya’s CodeFrontier, focus on programming, algorithm, code, and also competitive programming.

Things you need to know:

  • No, it’s not about Online Judge.
  • It’s also not about code repository.
  • Sometimes it will discuss software engineering, but not much.
  • No I’m not good coder as IOI or ICPC coder do or that kind of stuffs, nor reach their level.

I set this site as a place for me to write article and stuffs related to programming. The place where I can learn and share what I know about programmings. The place where I can have fun with programming.

Xathrya’s GA

Xathrya’s GA

OK, I don’t know what to do yet.

Xathrya’s GQ

Xathrya’s GQ

Again, still don’t know yet.

Xathrya’s TK

Xathrya’s TK.

Yes, again.

Xathrya’s ML

Xathrya’s ML or Xathrya’s Malware Labs focus on malware dissects, analysis, and reverse engineering. A free knowledge sharing about malware.

Also, watch out, I don’t take any responsible.

End of News

For the three sites (.GA, .GQ, and .TK) I will think something useful. When time comes, I will update this article.

Thanks for your support and let me know if you have idea for making this site better. Or maybe you want to suggest me a name?

Being Member of DracOS Developer Team

July 24, 2016 | News | No Comments

Hi everyone.

Have you ever heard DracOS Linux. Let me tell you, it is a cool stuff. You better check this out. It is a Linux distribution focusing on penetration testing. The coolest part of it is, it is built from scratch (see Linux From Scratch (LFS) for reference), unlike other similar theme distribution. The hardest and the most challenging part is of course master the beast.

Yeah, apparently the Devs are crazy and brilliant enough to run this project.

And not so long ago  I join the bandwagon project. My team is focusing on Operating System development. Yeah, we have some team, such as Tools Creation team, Maintainer team, etc. So as part of insider, I will also post some stuffs about our project here. Maybe some sneak peek of upcoming version? No, just wait 😉

The next DracOS is DracOS codename Leak (pronounce Le-yak).

Just you know, Leak is a demon. We use demon as weapon. Dare to ride? Release the Leak!


I Passed MTCNA Certification

April 24, 2016 | News | No Comments

Yesterday I got my first certification. It was MikroTik Certified Network Associate (MTCNA) with certificate #1604NA936.

I was so glad I pass this with score 85%. It is said that if your score is above 75% you can take a license to be a trainer. Though I will consider it later.

Next, I plan to get other certification. Wish me luck.

Paper Publication

December 5, 2015 | News | No Comments

After such long day I haven’t update this site (actually just a few days) and now I have written three articles. Thanks for reading my site.

Another news I want to tell you is that category named “Publication” is officially released now. In this category I post some papers, notes of research, photos, videos, everyhitng which is not fall to article or news.

Some papers are waiting to be posted. Mostly these papers are the paper I made for several lecture. Of course it is not a paper as advanced as paper on international journal (such as IEEE, ACM, etc) or event national journal. But, yeah… I am proud I have written it and now I am glad to share them to you.

Satria Ady Pradana a.k.a Xathrya

Still Moving to New Site

December 5, 2015 | News | No Comments

Hello there,

Thank you very much for your visit.

It’s been two months since is up. There are still many things to do. I didn’t know if moving contents to new site is tiresome. Yeah, I can’t write new things until all articles are up.

Most of the sitemap has not changed compared to old site. Even though there are some changes, they are not major.

Ok, that’s all. Thanks for reading my site.



New World, New NEST!

October 13, 2015 | News | No Comments

Hello, Internet!

I’m Xathrya and this is my new NEST.

If you ever know my old NEST ( and got here because of that, thank you! This new NEST will serve as continuation of old NEST. I will fix some things and make the content back here. Recreating is not easy but I will do my best.

I would be pleased if you can help me by suggesting contents or help me spread the fame.

Outside of writing articles, I also studying reverse engineering and playing some CTFs. If you ever know Dago Cybernesha or Sabertooth Ganesha, please say hi. You can also recruit me for CTF if you want 😀


Last, thanks for all of my friends who keep me doing my best (and push me to back in action).

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