Author

Oscar404

@Oscar404

articles: 10
total claps: 176
top claps: 65
avg read: 7.1 min
active: 2024-09-15 → 2025-12-12

Wiki topics

🔒 · Cybersecurity · 5 💻 · Programming · 3 EDU · Education & Learning · 2 👨‍👩‍👧 · Family & Parenting · 2 🔓 · Open Source · 2 🌐 · Web Development · 2 🎮 · Gaming · 1 💭 · Philosophy of Spirit · 1

Top tags

#reverse-engineering ·6 #gdb ·3 #picoctf ·2 #debugging ·2 #malware-analysis ·2 #malware ·2 #phishing ·2 #social-engineering ·2 #javascript ·2 #code-debugging ·1

OS Oscar404

JVM Reverse Engineering

In this article we are going to see how to vitally crack Java Programs to Learn Reverse Engineering for Java Virtual Machine bytecode..

Dec 12, 2025 · 16 min read · 65 claps #java #reverse-engineering #java-byte-code

HUM LIF

OS Oscar404

Cracking PicoCTF Challenge: GDB Baby Step 1

After learning how to use GDB, let’s now practice on some CTF challenges on PicoCTF website:

Sep 16, 2024 · 2 min read · 50 claps #gdb #picoctf #reverse-engineering

Cracking PicoCTF Challenge: GDB Baby Step 1

TCH

OS Oscar404

DNS Tunneling attack

Introduction to DNS Tunneling

Dec 14, 2024 · 6 min read · 16 claps #dns #malware #tunneling

TCH HUM SPR

OS Oscar404

Phishing Attack using JavaScript (for educational purpose only)

in this article i will show you how to create your own website to steal credentials for demonstration only!!

May 16, 2025 · 5 min read · 14 claps #phishing #social-engineering #javascript

Phishing Attack using JavaScript (for educational purpose only)

TCH

OS Oscar404

Collecting System and User Information using JavaScript

To collect system and browser information using JavaScript, you can use a variety of basic JavaScript methods, as well as web libraries and…

May 16, 2025 · 3 min read · 14 claps #phishing #javascript #scam

Collecting System and User Information using JavaScript

TCH

OS Oscar404

Anti-Debugging Techniques

Anti-debugging is a series of anti-reversing techniques used by malware (and even some legitimate programs) to hamper or prevent debugging.

Feb 11, 2025 · 8 min read · 10 claps #malware-analysis #malware #reverse-engineering

TCH

OS Oscar404

Building webserver using assembly (Linux) part1

in this article we will build a simple web server together using assembly x64 that’s going to work on Linux!

Jun 26, 2025 · 12 min read · 2 claps #assembly #assembly-language #web-server

Building webserver using assembly (Linux) part1

MDA TCH

OS Oscar404

Debugging with GDB

GNU Debugger (gdb) is the standard debugging tool for Linux systems and is widely used in the Linux community. gdb is often available by…

Sep 15, 2024 · 7 min read · 2 claps #gdb #debugging #reverse-engineering

LIF

OS Oscar404

Cracking PicoCTF Challenge: GDB Baby Step 2

You can find the challenge at the following link called GDB baby step 2:

Sep 17, 2024 · 3 min read · 2 claps #gdb #picoctf #reverse-engineering

Cracking PicoCTF Challenge: GDB Baby Step 2

TCH

OS Oscar404

Reverse Engineering Checklist

Reverse engineering is a crucial process in the world of cybersecurity, software development, and malware analysis. It involves…

Dec 23, 2024 · 8 min read · 1 claps #reverse-engineering #binary-analysis #binary-search