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Download e-book for kindle: Advances in Information and Computer Security: 9th by Maki Yoshida, Koichi Mouri

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By Maki Yoshida, Koichi Mouri

ISBN-10: 331909842X

ISBN-13: 9783319098425

ISBN-10: 3319098438

ISBN-13: 9783319098432

This publication constitutes the refereed court cases of the ninth overseas Workshop on defense, IWSEC 2014, held in Hirosaki, Japan, in August 2014. The thirteen standard papers awarded including eight brief papers during this quantity have been rigorously reviewed and chosen from fifty five submissions. the point of interest of the workshop used to be at the following subject matters: method safety, threshold cryptography, safety, beginning, and encryption.

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Additional resources for Advances in Information and Computer Security: 9th International Workshop on Security, IWSEC 2014, Hirosaki, Japan, August 27-29, 2014. Proceedings

Example text

DKSM attack is one of an attack patching kernel text area [7]. To patch kernel text area, manipulation of CR0 is required. Because kernel text area is write protected ordinarily, adversaries manipulate CR0 to remove write protect of kernel text area. In fully virtualized environment with VT-x, access to control registers causes VM exit. Therefore, the VMM can detect patching of kernel text area by monitoring access to CR0. This monitoring ensures kernel code integrity and functionality of above access control model.

The IDS offload method without modification is an effective approach. However, it is difficult to apply to general application because the method involves the emulation of each system call. To completely offload the IDS, it is necessary to emulate all system calls. However, complete emulation is difficult to implement. Even though effective VMM-based methods have been proposed, many of them cannot use existing software without modification. Moreover, exporting existing functions used by anti-virus software to a VMM is difficult.

However, replacement under Policy (1) requires many more replacement copies leading to overall performance degradation. Replacement under Policy (2) results in less overhead than Policy (1). However, the strategy suggested under Policy (2) requires that we survey what information is used by malware for identifying the attack target. Understood merely as a countermeasure to adversarial attack, replacement under Policy (1) is preferable. However, practical utility requires the efficient suppression of any superfluous performance overhead.

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Advances in Information and Computer Security: 9th International Workshop on Security, IWSEC 2014, Hirosaki, Japan, August 27-29, 2014. Proceedings by Maki Yoshida, Koichi Mouri


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