Aleksa Zatezalo – Medium

Home

Following

Library

Reading history

Stories

Stats

Aleksa Zatezalo

Published in
InfoSec Write-ups

Creating a Code Obfuscation Program For C

Imagine you’re trying to sneak past a security guard. If you walk right up wearing a mask and carrying suspicious stuff, you’ll get caught…

Feb 11

Creating a Code Obfuscation Program For C

Feb 11

Published in
InfoSec Write-ups

Brute Forcing Financial Apps With HackerOne

About a month ago, I identified my first vulnerability — a SQL injection in a financial application. That discovery marked the beginning…

Feb 5

Brute Forcing Financial Apps With HackerOne

Feb 5

Get an email whenever Aleksa Zatezalo publishes.

By signing up, you will create a Medium account if you don’t already have one. Review our Privacy Policy for more information about our privacy practices.

Medium sent you an email at to complete your subscription.

Published in
InfoSec Write-ups

Finding my First SQL Injection On HackerOne

SQL injections have been a persistent aspect of web application security, maintaining their position on OWASP’s top 10 vulnerabilities year…

Jan 19

Finding my First SQL Injection On HackerOne

Jan 19

Published in
InfoSec Write-ups

Exploring HTTP Shells With CVE-2020–14882

The Setup

Jan 8

Exploring HTTP Shells With CVE-2020–14882

Jan 8

Published in
Level Up Coding

Clippy the Microsoft Vulnerability Scanner

Recently, I completed an internal penetration test as part of a client engagement, where I gained remote access to multiple PCs using old…

Dec 12, 2024

Clippy the Microsoft Vulnerability Scanner

Dec 12, 2024

The 500 Hour Rule

We’ve all heard of the 10,000-hour rule — a guideline for achieving mastery in a skill. But what about the journey before mastery? If…

Dec 10, 2024

The 500 Hour Rule

Dec 10, 2024

Published in
Level Up Coding

Creating An AI That Plays Snake In C

Building the classic Snake game in C is a project every programmer should try at least once. It’s a fun way to dive into game development…

Nov 14, 2024

Creating An AI That Plays Snake In C

Nov 14, 2024

Published in
InfoSec Write-ups

Exploring The Impersonator Shell

The Impersonator Shell was a program aimed at giving a reverse shell the ability to manipulate and abuse Windows access tokens through the…

Oct 27, 2024

Exploring The Impersonator Shell

Oct 27, 2024

Published in
Level Up Coding

Scraping LinkedIn Data With Python

Gathering Data For Red Team Engagements

Apr 7, 2024

Scraping LinkedIn Data With Python

Apr 7, 2024

Published in
Level Up Coding

Creating an Async and Multi-Threaded Port Scanner

An Introduction to creating open source cyber security tools

Jan 23, 2024

Creating an Async and Multi-Threaded Port Scanner

Jan 23, 2024

Published in
Level Up Coding

Huffman Encoding in Python

Creating a lossless compression tool

Dec 12, 2023

Huffman Encoding in Python

Dec 12, 2023

Published in
Offensive Security Library

Creating a Steganography Tool in Python

What is Steganography

Oct 26, 2023

Creating a Steganography Tool in Python

Oct 26, 2023

Published in
Offensive Security Library

What was the Cult of The Dead Cow

Who Were They

Sep 9, 2023

What was the Cult of The Dead Cow

Sep 9, 2023

Published in
Offensive Security Library

OSCP Proving Grounds Walkthrough: Pebbels

Pebbles is a vulnerable machine on Offensive Securities Proving Grounds. It’s catagorized as a machine of level “Warm Up” with a community…

Aug 30, 2023

OSCP Proving Grounds Walkthrough: Pebbels

Aug 30, 2023

Published in
Offensive Security Library

OSCP Proving Ground Walkthrough: Bratarina

Introduction

Aug 7, 2023

OSCP Proving Ground Walkthrough: Bratarina

Aug 7, 2023

Published in
Offensive Security Library

Creating a Vulnerability Scanner in Python

Penetration Tests

Jun 20, 2023

Creating a Vulnerability Scanner in Python

Jun 20, 2023

Published in
Offensive Security Library

Building a TCP Proxy

Creating your cyber security tool kit with python3

May 16, 2023

Building a TCP Proxy

May 16, 2023

Published in
Offensive Security Library

Recreating Netcat with Python

An Introduction to TCP/IP Programing in Python3

May 16, 2023

Recreating Netcat with Python

May 16, 2023

Published in
Better Programming

Creating Conway’s Game of Life in C++

A step-by-step guide to creating a memory-efficient game

Feb 21, 2023

Creating Conway’s Game of Life in C++

Feb 21, 2023

Published in
Offensive Security Library

The Basics of Zero Trust

Learning the Lingo of Zero Trust

Feb 6, 2023

The Basics of Zero Trust

Feb 6, 2023

Aleksa Zatezalo

Aleksa Zatezalo

Interested in the intersection of Cloud, Cyber Security, and Artificial Intelligence. Continually striving towards mastery of my domain. Forever an Apprentice.

Following

Help
Status
About
Careers
Press
Blog
Privacy
Rules
Terms
Text to speech