R2R NET

Card-shark.rar -

Using subtle physical marks to identify high-value cards during play.

Check for files transferred over the network that could contain the final flag. Step 4: Finding the Flag

Clue: The "Shark" in the name might hint at using if a .pcap file was hidden inside the archive. Step 3: Protocol Analysis (Wireshark) If the RAR contained a network capture file: Card-Shark.rar

Use the "Follow TCP Stream" feature in Wireshark to read plain-text communications.

Use ExifTool to look for hidden comments or GPS coordinates in the images. Using subtle physical marks to identify high-value cards

If an image is present, check for hidden data using Stegsolve or steghide .

Use the strings command to search for common flag formats (e.g., FLAG{...} or CTF{...} ). Step 3: Protocol Analysis (Wireshark) If the RAR

Confirm the file type using the file command to ensure it is a valid RAR archive.