If "BBBBBBBB" appears in the metadata as a recurring pattern, try converting it from Hex to ASCII. 0x42 is the ASCII for "B".
When analyzing the file structure, pay close attention to these specific keys: Download File BBBBBBBB.torrent
strings BBBBBBBB.torrent (A quick way to see if the flag is stored as plaintext). 3. Key Metadata Fields to Inspect If "BBBBBBBB" appears in the metadata as a