Follow the installation instructions for your operating system. On Linux, you can compile it from source or use a package manager. Create a configuration file to make sure John uses the right hash format. For Cisco type 5 hashes, you can use the cisco hash type. 5. Run John the Ripper Run JTR with the following command:
enable password 5 $1$mERr$hx5rVt7rNoS9fW5mI4JJi01 Or, more commonly, within the startup configuration file: cisco password 5 cracker
line vty 0 4 password 5 $1$eW2a$FadZcF8b0XcT6P0.TfMi01 Save the hashed password to a file, for example, cisco_hash.txt . Make sure you only have the hash in the file, without any additional text. without any additional text.