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Firstly, Kerberos is an authentication protocol, not authorization. In other words, it allows to identify each user, who provides a secret password, however, it does not validates to which resources or services can this user access.\
Kerberos is used in Active Directory. In this platform, Kerberos provides information about the privileges of each user, but it is the responsability of each service to determine if the user has access to its resources.
### **To learn how to abuse Kerberos you should read the post about** [**Active Directory**](../../windows-hardening/active-directory-methodology/)**.**
Simply stated, the vulnerability enables an attacker to modify an existing, valid, domain user logon token (Kerberos Ticket Granting Ticket, TGT, ticket) by adding the false statement that the user is a member of Domain Admins (or other sensitive group) and the Domain Controller (DC) will validate that (false) claim enabling attacker improper access to any domain (in the AD forest) resource on the network.
Other exploits: [https://github.com/SecWiki/windows-kernel-exploits/tree/master/MS14-068/pykek](https://github.com/SecWiki/windows-kernel-exploits/tree/master/MS14-068/pykek)
Firstly, Kerberos is an authentication protocol, not authorization. In other words, it allows to identify each user, who provides a secret password, however, it does not validates to which resources or services can this user access.
Kerberos is used in Active Directory. In this platform, Kerberos provides information about the privileges of each user, but it is the responsability of each service to determine if the user has access to its resources.
- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**