SHA-crypt hashes (newer versions of Fedora and Ubuntu).FreeBSD MD5-based (linux and Cisco IOS).Here is the list of encryption technologies found in JtR: JtR is primarily a password cracker used during pentesting exercises that can help IT staff spot weak passwords and poor password policies. JtR is included in the pentesting versions of Kali Linux. Since most people choose easy-to-remember passwords, JtR is often very effective even with its out-of-the-box wordlists of passwords. These wordlists provide JtR with thousands of possible passwords from which it can generate the corresponding hash values to make a high-value guess of the target password. JtR also includes its own wordlists of common passwords for 20+ languages. In our amazing Live Cyber Attack demo, the Varonis IR team demonstrates how to steal a hashed password, use JtR to find the true password, and use it to log into an administrative account. JtR autodetects the encryption on the hashed data and compares it against a large plain-text file that contains popular passwords, hashing each password, and then stopping it when it finds a match. JtR supports several common encryption technologies out-of-the-box for UNIX and Windows-based systems. Hacking is not necessarily criminal, although it can be a tool used for bad intentions.
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