Patents by Inventor Woung Jang

Woung Jang 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).

  • Apparatus, system and method for detecting and preventing malicious scripts using code pattern-based static analysis and API flow-based dynamic analysis
    Patent number: 9680848
    Abstract: Provided are an apparatus, a system and a method for detecting and preventing malicious scripts. The apparatus for detecting and preventing malicious scripts includes a signature management unit managing a first signature including code pattern information of previously-detected malicious scripts, a script analysis unit receiving the first signature from the signature management unit and analyzing a first script, which is included in a web page, using the first signature, and a script processing unit receiving analysis result data from the script analysis unit and processing the first script according to the analysis result data.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: June 13, 2017
    Assignee: Korea Internet & Security Agency
    Inventors: Hwan Kuk Kim, Jong Hun Jung, Han Chul Bae, Hyun Rok Choo, Woung Jang, Sang Hwan Oh, Soo Jin Yoon
  • APPARATUS, SYSTEM AND METHOD FOR DETECTING AND PREVENTING MALICIOUS SCRIPTS USING CODE PATTERN-BASED STATIC ANALYSIS AND API FLOW-BASED DYNAMIC ANALYSIS
    Publication number: 20160359875
    Abstract: Provided are an apparatus, a system and a method for detecting and preventing malicious scripts. The apparatus for detecting and preventing malicious scripts includes a signature management unit managing a first signature including code pattern information of previously-detected malicious scripts, a script analysis unit receiving the first signature from the signature management unit and analyzing a first script, which is included in a web page, using the first signature, and a script processing unit receiving analysis result data from the script analysis unit and processing the first script according to the analysis result data.
    Type: Application
    Filed: January 23, 2015
    Publication date: December 8, 2016
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Hwan Kuk Kim, Jong Hun Jung, Han Chul Bae, Hyun Rok Choo, Woung Jang, Sang Hwan Oh, Soo Jin Yoon