• views: 182
• date: 8 September 2026
• posted by: voska89

Use Codex and Claude Code to build, deploy, reverse engineer, security-test, and clone modern web applications

What you'll learn

⚡ Build web applications using codex and claude code
⚡ Deploy web applications for black-box analysis
⚡ Reverse engineer web applications without source code
⚡ Recreate or clone web applications locally
⚡ AI assisted penetration testing of web applications
⚡ Build and deploy web games for black-box testing
⚡ Reverse engineer web games and clone them locally
⚡ Using AI to drive chrome dev tools to inspect html, css and jаvascript
⚡ Using AI to analyze network traffic, APIs and browser storage
⚡ Using AI to discover authentication, session and application workflows and real-time communications
⚡ Using CDP and AI browser automation for web analysis
⚡ Using AI to run OWASP ZAP for automated web application ethical hacking
⚡ and more . . .

Requirements

❗ Basic familiarity with HTML, CSS and jаvascript
❗ Have at least ChatGPT Plus subcription so that you get access to Codex
❗ Having Claude Pro subscription is optional, but good to have if you want to also use Claude Code
❗ A Windows PC

Description

There are two broad categories of applications that we use every day. The first isnative applications, which must be downloaded and installed on a computer. The second isweb applications, which run in a browser and usually do not require installation. In this course, you will learn how to reverse engineer web applications and recreate their observable behaviour locally on your own computer. To make the learning process practical and engaging, we will first useCodex and Claude Code to build our own web applications and browser-based games. We will then approach those deployed applications as if we no longer have access to their original source code. Using AI coding agents, browser-development tools, and automation techniques, we will investigate how each application works and attempt to recreate it in a separate local project.
The course follows a practical and repeatable workflow
Build the application using Vibe Coding, deploy it, remove access to the original source code, reverse engineer its behaviour, and recreate it locally.
You will begin with simple applications built using HTML, CSS, and vanilla jаvascript. As the course progresses, the applications will become increasingly complex and may include browser storage, minified jаvascript, frontend frameworks, APIs, databases, authentication, real-time communication, and browser-based games.
By mastering this process, you will develop a practical workflow for understanding and recreating many different types of web applications.
Besides that, we will also be using AI to do penetration testing of Web Applications.

What You Will Learn

By the end of the course, you will be able to
✨ Use Codex and Claude Code to build, test, debug, and deploy web applications
✨ Investigate deployed applications without access to their original source code
✨ Use Chrome DevTools and AI browser integrations to inspect HTML, CSS, jаvascript, network traffic, and browser storage
✨ Discover and recreate APIs, authentication flows, WebSocket communication, and application behaviour
✨ Reverse engineer browser-based games, including their scores, timers, state, and validation logic
✨ Use CDP, Codex and Claude Chrome extensions to automate browser inspection and user workflows
✨ Recreate applications locally and compare them with the originals using automated tests
✨ Verify AI-generated apps, debug and fix errors
✨ Do penetration testing on web applications
What Makes This Course Different
Many web-development courses teach you how to build applications.
Many reverse-engineering courses teach you how to inspect existing software.
This course combines both processes.
You will
✨ Build the original application
✨ Deploy it
✨ Investigate it without access to the source repository - assuming it is running on the web.
✨ Reverse engineer its functions
✨ Recreate it locally
✨ Test the reconstruction
✨ Reveal and compare the original implementation
✨ Perform pentest (ethical hacking) on web applications
You will also see how modern AI coding agents can assist with both development and reverse engineering and cloning of web applications.
Join the Course
If you enjoy web development, reverse engineering, browser automation, AI coding agents, and AI assisted pentest or technical challenges, this course gives you the opportunity to combine all of them.
Join me as we use Codex and Claude Code to build, deploy, investigate, reverse engineer, pen-test and clone progressively more complex web applications and browser-based games.

Who this course is for

⭐ Anyone interested in web application reverse engineering
⭐ Anyone who want to clone web applications locally
⭐ Cybersecurity students, CTF participants
⭐ Anyone insterested in AI-assisted penetration testing or ethical hacking

Homepage

https://www.udemy.com/course/ai-reverse-engineering-of-web-apps

   
   
   

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