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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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Reconnaissance

In this section, we will discuss reconnaissance, as well as enumeration. We will briefly cover how to identify SCCM only with network access and then dive deeper into the assume breach scenario.

To identify SCCM infrastructure from a non-domain-joined machine, the attacker may perform a simple port scan looking for TCP ports 8530 and 8531 (Software Update point), 10123 (Management point), and 4022 and 1433 (SQL Server). Also, the UDP port 4011 might be an indicator of the Preboot Execution Environment (PXE) boot media being offered. SCCM can be deployed with or without a PXE offering called Operating System Deployment (OSD). We do not have PXE deployed in our lab, but there are some promising vectors to consider.

To check whether PXE is available in the environment, there is a tool called PXEThief[11]. This tool sends a DHCP discover request to search for PXE servers and fetch PXE boot files. If PXE media is encrypted, then the attacker needs to guess or crack...

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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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