US Patent 7584364 Overlapped code obfuscation

Patent 7584364 was granted and assigned to Microsoft on September, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Microsoft

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75843640

Patent Inventor Names

Matthias Jacob0

Mariusz H. Jakubowski0

Date of Patent

September 1, 2009

Patent Application Number

111253700

Date Filed

May 9, 2005

Patent Primary Examiner

‌

David Cervetti

Patent abstract

A method of code obfuscation includes receiving a code segment. The existing code of the code segment is modified and/or additional code injected to create overlapped code. The overlapped code performs a plurality of semantically different actions depending upon the content of execution. The resulting obfuscated code having overlapped code is then output.