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19th Large Installation System Administration Conference—Abstract

Pp. 23–30 of the Proceedings

Fast User-Mode Rootkit Scanner for the Enterprise

Yi-Min Wang and Doug Beck, Microsoft Research, Redmond


User-mode resource hiding through API interception and filtering is a well-known technique used by malware programs to achieve stealth. Although it is not as powerful as kernel-mode techniques, it is more portable and reliable and, as a result, widely used. In this paper, we describe the design and implementation of a fast scanner that uses a cross-view diff approach to detect all user-mode hiding Trojans and rootkits. We also present detection results from a large-scale enterprise deployment to demonstrate the effectiveness of the tool.
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