Patents by Inventor Karl Chen

Karl Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic reverse engineering of input formats
    Patent number: 8935677
    Abstract: Systems and methods for automatically reverse engineering an input data format using dynamic data flow analysis. Combining input data with a simulated execution of the binary program using the input data and analyzing the use of the data by the program to generate a BNL-like grammar representing the input data format. The input data can be application level protocols, network protocols or formatted files.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: January 13, 2015
    Assignee: Microsoft Corporation
    Inventors: Weidong Cui, Marcus Peinado, Karl Chen, Jiahe Helen Wang, Luis Irun-Briz
  • AUTOMATIC REVERSE ENGINEERING OF INPUT FORMATS
    Publication number: 20090254891
    Abstract: Systems and methods for automatically reverse engineering an input data format using dynamic data flow analysis. Combining input data with a simulated execution of the binary program using the input data and analyzing the use of the data by the program to generate a BNL-like grammar representing the input data format. The input data can be application level protocols, network protocols or formatted files.
    Type: Application
    Filed: April 7, 2008
    Publication date: October 8, 2009
    Applicant: MICROSOFT CORPORATION
    Inventors: Weidong Cui, Marcus Peinado, Karl Chen, Jiahe Helen Wang, Luis Irun-Briz