Which of the following tools should the penetration testers use to learn more about the content of this file?

A company has a team of penetration testers. This team has located a file on the company file server that they believe contains cleartext usernames followed by a hash.

Which of the following tools should the penetration testers use to learn more about the content of this file?
A . Exploitation framework
B . Vulnerability scanner
C . Netcat
D . Password cracker

Answer: D