The provided file is a . After downloading, the first step is to check its contents without fully extracting to see the file structure. Command: unrar l codem-chat.rar
Use The Unarchiver or the brew command brew install unrar . codem-chat.rar
Look for how the application handles incoming messages. Is there a lack of sanitization that could lead to XSS (Cross-Site Scripting)? The provided file is a
If the challenge is a "White Box" (source code provided), we look for common vulnerabilities in the chat logic: codem-chat.rar
Found a .git folder inside the RAR? Use a tool like GitTools to recover deleted commits that might contain the flag.
Check for API keys or database passwords in config.js or .env .