TETSTACK. portfolio — 2026 / CH.00 PROLOGUE
CH.00 Prologue
A dossier by Kirubel

Tetstack.

Cybersecurity Researcher/Systems Engineer
Software Developer/Digital Designer

Addis Ababa, Ethiopia — Open to Remote
> whoami

(Kirubel)

Sup, I am a security researcher and a software engineer. I like researching about whatever I find intersting. So just look around and see what I do.

root@tetstack-core:~ (i386 · busybox · real kernel)
awaiting operator CLICK TO TYPE
/root/ └─
CH.01 The Work

Break it, learn it build it.

Everything I've made (The Undeleted Ones), audited, or contributed to is open-source. Click any project to view its repository on GitHub.

CH.02 The Craft

Anything esle I do that no one cares about.

Poster Design 02
Poster Design 02
Poster Design 03
Poster Design 04
Poster Design 04
Poster Design 07
Live Render — The-Donut Spinning
C++ · ASCII · 1.7 KB 80 × 22 chars Z-buffered torus View Source
PicasoTheDeal's Isometric Commit Calendar

Other stuffs: I make posters which I thinks are cool or remake designs I find interesting.

CH.03 Live Signals

Stuff I wrote about or made (run of stuff to say).

Chaos Engine Streaming
Controlled Chaos Seed — — today View Source
CH.04 The Arsenal

Tools and language I use(know and partially know)

Languages
C
C++
C#
Assembly x86 / arm
Python
Go
Kotlin
Rust
TypeScript
JavaScript
Bash
Offensive & Research
Sliver C2
Nmap
Burp Suite
Metasploit
AFL++ Fuzzing
Ghidra
IDA Pro
GDB / ptrace
Wireshark
Frameworks & DBs
React / Next.js
Node.js
FastAPI
Three.js / WebGL
PostgreSQL / SQLite
Systems & DevOps
Arch / Debian
Docker
Git CI/CD Pipelines
CMake / Make
Vim / VS Code
CH.05 The Record

The part where I tell you what I've done.

ALX

African Championship Hackathon

Competitor

Competed in the ALX African Championship Hackathon - A DSA.

ALX · Kuriftu

Kuriftu-Sponsored ALX Hackathon

Competitor

Participated in ALX hackathons sponsored by Kuriftu — teams based hackathon to make a product for kuriftu.

Want to work togetherTo build or research?

Open to remote research, systems engineering and full-stack contracts.

Get in touch