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13th USENIX Security Symposium — Abstract
Pp. 179–194 of the Proceedings
Copilot—a Coprocessor-based Kernel Runtime Integrity Monitor
Nick L. Petroni, Jr., Timothy Fraser, Jesus Molina, William A. Arbaugh, University of Maryland
Abstract
Copilot is a coprocessor-based kernel integrity monitor for commodity systems. Copilot is designed to detect malicious modifications to a host's kernel and has correctly detected the presence of 12 real-world rootkits, each within 30 seconds of their installation with less than a 1% penalty to the host's performance. Copilot requires no modifications to the protected host's software and can be expected to operate correctly even when the host kernel is thoroughly compromised - an advantage over traditional monitors designed to run on the host itself.
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