Use the strings command to search for common flag formats (e.g., FLAG{...} or CTF{...} ).
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
A classic con involving rapid card switching. Use the strings command to search for common flag formats (e