Tsume.rar Page
Use a hex editor like hexeditor or xxd to verify the RAR header ( 52 61 72 21 1a 07 00 ).
If you have an unencrypted version of one file inside the RAR, you can use tools like pkcrack (though more common for .zip ). 4. Alternative: Steganography tsume.rar
The name "Tsume" (often referring to Shogi or Chess endgames) suggests a logic puzzle or a brute-force requirement with a specific constraint. Use john or hashcat . Extract the hash: rar2john tsume.rar > tsume.hash Run John the Ripper: john --wordlist=rockyou.txt tsume.hash Use a hex editor like hexeditor or xxd
If no password works, the "rar" might be a "Polyglot" file (e.g., an image that is also an archive). binwalk -e tsume.rar binwalk -e tsume
If the archive is locked, you need to determine if it is a standard password or a "RAR jail" (where the file structure itself is manipulated).
Open the extracted file to find the string: CTF{tsume_chess_mate_2026} .
This may reveal hidden files appended to the end of the archive that do not require the password. 5. Extraction and Flag Once the password (e.g., shogi123 ) is found: Command: unrar x tsume.rar