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You're reading from  Pentesting Active Directory and Windows-based Infrastructure

Product typeBook
Published inNov 2023
PublisherPackt
ISBN-139781804611364
Edition1st Edition
Concepts
Networking
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Author (1)
Denis Isakov
Denis Isakov
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Denis Isakov

Denis Isakov is a passionate security professional with 10+ years of experience ranging from incident response to penetration testing. He worked in various industries, including banking and consultancy. Denis is specialized in offensive security with particular focus on Active Directory and adversary malware. He has earned a Master's degree in Information Systems and Technologies in 2012. Additionally, Denis has achieved an array of industry certifications ranging from OSCP to GXPN. Outside of computers, Denis enjoys sports and discovering new places.
Read more about Denis Isakov

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Kerberos delegation

First of all, we need to discuss what delegation is and why it exists. Services within Active Directory sometimes need to be accessed by other services on behalf of the domain user. Think of a web server authenticating to the database on the backend on behalf of the user. There are three types of delegation available in Active Directory (AD) – unconstrained, constrained, and resource-based. Information about delegation can be found by using BloodHound, PowerView, or the AD module. We will cover the types of delegation in the following respective sections.

Note

For our lab, Mayfly prepared, as usual, a great walk-through to follow: https://mayfly277.github.io/posts/GOADv2-pwning-part10/.

Unconstrained delegation

We will start our journey with the oldest type of delegation. With unconstrained delegation enabled on the computer or user, it is possible to impersonate an authenticating user or computer to any service on any host. If we compromise the...

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Pentesting Active Directory and Windows-based Infrastructure
Published in: Nov 2023Publisher: PacktISBN-13: 9781804611364
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Denis Isakov

Denis Isakov is a passionate security professional with 10+ years of experience ranging from incident response to penetration testing. He worked in various industries, including banking and consultancy. Denis is specialized in offensive security with particular focus on Active Directory and adversary malware. He has earned a Master's degree in Information Systems and Technologies in 2012. Additionally, Denis has achieved an array of industry certifications ranging from OSCP to GXPN. Outside of computers, Denis enjoys sports and discovering new places.
Read more about Denis Isakov

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