- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Security

Kerberoasting with Rubeus
In this lab, you’ll practice Kerberoasting attacks using Rubeus and John the Ripper. When you’re finished, you’ll have the practical knowledge to extract and crack Kerberos service tickets, obtain credentials, and authenticate to an AD Service.

Lab Info
Table of Contents
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Challenge
Getting Started in the Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
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Challenge
Enumerating Service Principal Names
Globomantic's service accounts may have SPNs vulnerable to Kerberoasting. Using Rubeus, your task is to enumerate the service accounts in the Active Directory environment that have SPNs associated with them.
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Challenge
Obtaining the Service Ticket
Now that you've identified service accounts with SPNs, your next task is to obtain the service tickets associated with these accounts. These tickets will later be cracked to reveal plaintext credentials.
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Challenge
Cracking the Kerberos Ticket with John The Ripper
With the service tickets hashes in hand, it's time to crack them. Your colleague has prepared a wordlist for use with John the Ripper. You will now crack the tickets to recover plaintext passwords of service accounts.
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Challenge
The Last Challenge
Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.
About the author
Real skill practice before real-world application
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
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