This Python script is a tool designed to recover the master password of a WinSSHTerm vault using the keyfile from WinSSHTerms's config directory. The script iterates through a provided wordlist, attempting to decrypt the keyfile with each password.

• The WinSSHTerm vault uses a combination of a user-defined password, a static salt, and a pepper for its encryption.
• The script utilizes PBKDF2 HMAC with SHA1 for key derivation and AES in CBC mode for decryption.
• The keyfile is decrypted using each password from the wordlist in conjunction with the static salt and pepper until the correct password is found.
• The SALT and SUFFIX are hardcoded in the .NET assembly of the application, while the PEPPER can be dynamically derived by debugging the application.

The ability to recover passwords from WinSSHTerm vaults should not be seen as a flaw in WinSSHTerm's design. It primarily highlights the crucial role of password strength. The security of encrypted data in such systems greatly depends on the complexity of the user's chosen password. Weak or common passwords are often the most significant vulnerability in these scenarios.

While the focus on password strength is crucial, it's also worth noting that encryption methodologies continually evolve. The method used by WinSSHTerm for encrypting the master password, involving hardcoded elements like salts and peppers, is effective but leaves room for advanced techniques. Implementing dynamic cryptographic practices could further enhance security. Nonetheless, the primary responsibility for safeguarding data in WinSSHTerm vaults lies in choosing robust, complex passwords by the users.

usage: winsshterm_vault_recovery.py [-h] [-d] keyfile wordlist_file

Recover the master password of a WinSSHTerm vault using a keyfile from the config directory.

positional arguments:
  keyfile        Path to the keyfile (encrypted master password)
  wordlist_file  Path to the wordlist file

options:
  -h, --help     show this help message and exit
  -d, --debug    Enable debug mode

The script is for informational and educational purposes only. The author and contributors of this script are not responsible for any misuse or damage caused by this tool.