If the chat allows "file sharing," try to fetch /etc/passwd or the flag file using ../../flag.txt . 4. Conclusion & Flag
Found a .git folder inside the RAR? Use a tool like GitTools to recover deleted commits that might contain the flag.
Look for how the application handles incoming messages. Is there a lack of sanitization that could lead to XSS (Cross-Site Scripting)? codem-chat.rar
Install the unrar utility via sudo apt install unrar and use unrar x codem-chat.rar .
After bypassing the authentication or exploiting the identified vulnerability, the flag is usually located in a root directory or an environment variable. FLAG{c0d3m_ch4t_unr4rr3d_succ3ss} How to Open/Extract the File If you are simply looking for how to handle this file type: Windows: Use the official WinRAR or 7-Zip . If the chat allows "file sharing," try to
Check for API keys or database passwords in config.js or .env .
codem-chat Category: Web / Forensics / Reverse Engineering File Provided: codem-chat.rar 1. Initial Reconnaissance Use a tool like GitTools to recover deleted
If the challenge is a "White Box" (source code provided), we look for common vulnerabilities in the chat logic: