1WHAT’S IN A ROOTKIT: THE TDL3 CASE STUDY

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In this chapter, we’ll introduce rootkits with TDL3. This Windows rootkit provides a good example of advanced control and data flow–hijacking techniques that leverage lower layers of the OS architecture. We’ll look at how TDL3 infects a system and how it subverts specific OS interfaces and mechanisms in order to survive and remain undetected.

TDL3 uses an infection mechanism that directly loads its code into the Windows kernel, so it has been rendered ineffective by the kernel integrity measures Microsoft introduced on the 64-bit Windows systems. However, the techniques TDL3 uses for interposing code within ...

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