The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2011
Filed:
Jun. 06, 2006
Neill M. Clift, Kirkland, WA (US);
Jonathan D. Morrison, North Bend, WA (US);
Neill M. Clift, Kirkland, WA (US);
Jonathan D. Morrison, North Bend, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
A system and method for using asynchronous changes to memory to detect malware is disclosed. The technology initially receives a memory buffer location to be evaluated, the memory buffer location possibly having at least a portion of malware therein. The technology then performs a plurality of double fetches to the memory buffer location. The technology additionally compares a plurality of responses to the plurality of double fetches, wherein a plurality of similar responses to the plurality of double fetches indicates the portion of malware is not present and wherein at least two distinct responses to the plurality of double fetches indicates the portion of malware is present.