Patents by Inventor Chung Chang Liu

Chung Chang Liu 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 malware signature extraction from runtime information
    Patent number: 9876812
    Abstract: A computer system receives a file and instruments an original code of the file in memory. The resulting instrumented code allows for collection of runtime information of the original code. An unpacking routine that includes one or more instructions that execute several times, modify memory locations, and execute instructions in the modified memory locations is identified. The unpacking routine is deemed a malware signature and incorporated into a malware pattern. An unpacking behavior diagram can also be generated from the runtime information.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: January 23, 2018
    Assignee: Trend Micro Incorporated
    Inventor: Chung Chang Liu
  • Automatic malware signature extraction from runtime information
    Patent number: 9516055
    Abstract: A computer system receives a file and instruments an original code of the file in memory. The resulting instrumented code allows for collection of runtime information of the original code. An unpacking routine that includes one or more instructions that execute several times, modify memory locations, and execute instructions in the modified memory locations is identified. The unpacking routine is deemed a malware signature and incorporated into a malware pattern. An unpacking behavior diagram can also be generated from the runtime information.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: December 6, 2016
    Assignee: Trend Micro Incorporated
    Inventor: Chung Chang Liu