![]() ![]() Kerberos is a network authentication protocol that works on the principle of issuing tickets to nodes to allow access to services/resources based on privilege level. Mitigation / Defending Constrained Delegationīut First Let’s talk about Kerberos and how it really works.S4U2Self / S4U2Proxy & Protocol Transition. ![]() Mitigation / Defending Unconstrained Delegation.Kerberos User Enumeration and Brute Force.Mitigation / Defending against AS-REP Roasting.Mitigation / Defending against Kerberoast.I will also try my best to outline how to carry out these attacks from both a domain joined Windows box & an external Linux VM i/e an attackers platform. In this article I will discuss all the primary attacks on Kerberos, how to enumerate for them & finally how to exploit them using a wide range of toolsets. And if you do not understand something feel free to drop me a DM and I will do my best to help :) I want to start with article by saying I set out to learn Kerberos in greater detail and I figured that writing this would help cement my existing knowledge and give me reason to learn along the way, I am no Kerberos expert I am simply learning as I go along and getting my head around all the different terminologies so if you notice something amiss feel free to DM me and put me right. ![]()
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