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Hacking Exposed Windows: Microsoft Windows Security Secrets by Joel Scambray

By Joel Scambray

It is not sensible that the writer are charging an identical expense for this digital model as their print edition...except for greed.

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Additional resources for Hacking Exposed Windows: Microsoft Windows Security Secrets and Solutions, Third Edition

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These default accounts include the local Administrator account, which is the most powerful user account in Windows. ) Table 2-1 lists the default built-in accounts on various versions of Windows. Note a few caveats about Table 2-1: • On domain controllers, some security principals are not visible in the default Active Directory Users and Computers interface unless you choose View | Advanced Features. • Versions of Windows including XP and later “hide” the local Administrator account by default, but it’s still there.

Perhaps the most obvious initial observation to make about the Windows architecture is that it is two-tiered. The most privileged tier of operating system code runs in so-called kernel mode and has effectively unrestricted access to system resources. User mode functionality has much more restricted access and must request services from the kernel in many instances to complete certain tasks, such as accessing hardware resources, authenticating users, and modifying the system. Based on this simple separation, we can contemplate two basic attack methodologies: attack the kernel, or attack user mode.

Instead, we’re going to provide a somewhat oversimplified description of the Windows security architecture, paying close attention to points that have been attacked in the past. Perhaps the most obvious initial observation to make about the Windows architecture is that it is two-tiered. The most privileged tier of operating system code runs in so-called kernel mode and has effectively unrestricted access to system resources. User mode functionality has much more restricted access and must request services from the kernel in many instances to complete certain tasks, such as accessing hardware resources, authenticating users, and modifying the system.

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