GPEN · Question #127
Which of the following password cracking tools can work on the Unix and Linux environment?
The correct answer is D. John the Ripper. John the Ripper is the correct answer because it is an open-source, cross-platform password cracker with native support for Unix and Linux systems.
Question
Which of the following password cracking tools can work on the Unix and Linux environment?
Options
- ABrutus
- BCain and Abel
- COphcrack
- DJohn the Ripper
How the community answered
(40 responses)- A5% (2)
- B15% (6)
- C8% (3)
- D73% (29)
Why each option
John the Ripper is the correct answer because it is an open-source, cross-platform password cracker with native support for Unix and Linux systems.
Brutus is a Windows-only GUI-based network authentication brute-forcing tool and has no native support for Unix or Linux operating systems.
Cain and Abel is a Windows-only tool designed to crack Windows LM/NTLM hashes and sniff network credentials; it does not run on Unix or Linux.
Ophcrack is primarily a Windows-focused tool that uses precomputed rainbow tables to crack Windows NTLM and LM hashes; it is not designed for Unix or Linux password formats.
John the Ripper was originally developed specifically for Unix/Linux environments and supports a wide range of Unix password hash formats including DES, MD5, and SHA-crypt. It offers multiple attack modes - dictionary, brute-force, and incremental - and runs natively on Unix, Linux, macOS, and Windows, making it the definitive choice for Unix/Linux password auditing.
Concept tested: Cross-platform password cracking tool - Unix/Linux support
Source: https://www.openwall.com/john/
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