Extracting the contents often reveals the "tool" or hidden flag.
Open the file in a hex editor like HxD or 010 Editor to look for corrupted headers or hidden strings at the end of the file (EOF).
Using 7z2john to extract the hash and cracking it with or Hashcat .
Extracting the contents often reveals the "tool" or hidden flag.
Open the file in a hex editor like HxD or 010 Editor to look for corrupted headers or hidden strings at the end of the file (EOF).
Using 7z2john to extract the hash and cracking it with or Hashcat .