Codem-chat.rar

codem-chat Category: Web / Forensics / Reverse Engineering File Provided: codem-chat.rar 1. Initial Reconnaissance

Found a .git folder inside the RAR? Use a tool like GitTools to recover deleted commits that might contain the flag.

In Node.js chat apps, check if the merge or clone functions are used on user-provided JSON, which could lead to Remote Code Execution (RCE). codem-chat.rar

Install the unrar utility via sudo apt install unrar and use unrar x 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)? codem-chat Category: Web / Forensics / Reverse Engineering

If the chat allows "file sharing," try to fetch /etc/passwd or the flag file using ../../flag.txt . 4. Conclusion & Flag

Examine the "private chat" feature. Can a user view messages from a room they aren't invited to by manipulating the roomID ? 3. Exploitation Path In Node

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