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Privilege Escalation Techniques

You're reading from   Privilege Escalation Techniques Learn the art of exploiting Windows and Linux systems

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Product type Paperback
Published in Nov 2021
Publisher Packt
ISBN-13 9781801078870
Length 340 pages
Edition 1st Edition
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Author (1):
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Alexis Ahmed Alexis Ahmed
Author Profile Icon Alexis Ahmed
Alexis Ahmed
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Toc

Table of Contents (18) Chapters Close

Preface 1. Section 1: Gaining Access and Local Enumeration
2. Chapter 1: Introduction to Privilege Escalation FREE CHAPTER 3. Chapter 2: Setting Up Our Lab 4. Chapter 3: Gaining Access (Exploitation) 5. Chapter 4: Performing Local Enumeration 6. Section 2: Windows Privilege Escalation
7. Chapter 5: Windows Kernel Exploits 8. Chapter 6: Impersonation Attacks 9. Chapter 7: Windows Password Mining 10. Chapter 8: Exploiting Services 11. Chapter 9: Privilege Escalation through the Windows Registry 12. Section 3: Linux Privilege Escalation
13. Chapter 10: Linux Kernel Exploits 14. Chapter 11: Linux Password Mining 15. Chapter 12: Scheduled Tasks 16. Chapter 13: Exploiting SUID Binaries 17. Other Books You May Enjoy

Exploiting weak service permissions

This exploit involves leveraging improperly configured service permissions in order to elevate our privileges. The objective of this process is to identify services that run with SYSTEM or administrative privileges and use the improper permission configurations for the service to execute arbitrary commands through the BINARY_PATH_NAME parameter.

We can exploit this vulnerability to add a standard user to the local administrators group and consequently achieve an elevated state on the system.

The exploitation process can be performed by following these steps:

  1. The first step in the process involves identifying services and applications that standard users have access to. This can be facilitated through the use of the accesschk utility that is found in the Sysinternals suite. The accesschk executable can be downloaded from here: https://docs.microsoft.com/en-us/sysinternals/downloads/accesschk.
  2. After downloading the accesschk executable...
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