evilMule in kernel mode – an analysis of the network functionality of Sirefef


Chun Feng

Microsoft, Australia
Editor: Helen Martin


Win32/Sirefef (a.k.a. ZeroAccess) is one of the most prevalent threats in the wild today. Its main component is a kernel-mode driver, which implements a kernel-mode P2P file distribution system to deploy new malware components and upgrade existing ones. Chun Feng describes the design and implementation of this P2P file distribution system.

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