Codem-chat.rar

Use The Unarchiver or the brew command brew install unrar .

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

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). Use The Unarchiver or the brew command brew install unrar

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 codem-chat.rar

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