Dumping credentials is a classic technique in information security. Dumping domain credentials is one of the well-known Active Directory techniques. This technique could be done with the help of a powerful utility named Mimikatz, which is developed by Benjamin Delpy. You can download it from its official GitHub repository https://github.com/gentilkiwi/mimikatz:
To build Mimikatz, you need to build it using Visual Studio. In my case, I am using Visual Studio 2015 Professional. If you want to use the binary directly, download it from https://github.com/gentilkiwi/mimikatz/releases/tag/2.1.1-20171203 ...