🌐 Unminify
A detailed write-up of the Web challenge 'Unminify' from PicoCTF - 2024
Contents
📊 Challenge Overview
Category Details Additional Info 🏆 Event PicoGym Event Link 🔰 Category Web 🌐 💎 Points Out of 500 total ⭐ Difficulty 🟢 Easy Personal Rating: 0/10 👤 Author Jeffery John Profile 🎮 Solves 40.820 solve rate 📅 Date 28-01-2025 PicoGym 🦾 Solved By mH4ck3r0n3 Team:
📝 Challenge Information
I don’t like scrolling down to read the code of my website, so I’ve squished it. As a bonus, my pages load faster! Additional details will be available after launching your challenge instance.
🎯 Challenge Files & Infrastructure
Provided Files
1
Files: None
🔍 Initial Analysis
First Steps
Initially, the website appears as follows:
The website itself hinted that once the page was viewed, I would also obtain the flag, so I immediately thought of inspecting the page source.
🎯 Solution Path
Exploitation Steps
Exploitation
It was enough to inspect the page source and enable word wrap, or use
CTRL+F
to search the page forpicoCTF{
.
Flag capture
🛠️ Exploitation Process
Approach
The exploit makes a GET request to the page and extracts the flag using a regex.
🚩 Flag Capture
Flag
Proof of Execution
🔧 Tools Used
Tool Purpose Python Exploit
💡 Key Learnings
Skills Improved
- Binary Exploitation
- Reverse Engineering
- Web Exploitation
- Cryptography
- Forensics
- OSINT
- Miscellaneous
📊 Final Statistics
Metric | Value | Notes |
---|---|---|
Time to Solve | 00:00 | From start to flag |
Global Ranking | Challenge ranking | |
Points Earned | Team contribution |
Created: 28-01-2025 • Last Modified: 28-01-2025 *Author: mH4ck3r0n3 • Team: *