HWP Vulnerability Scanning Tool

HwpScan is a solution that can check various HWP document files for vulnerabilities,
and based on the information analysis technology inside the HWP file format, it can analyze malware insertion and vulnerabilities in HWP files.

Key features

Analyzing the structure of HWP documents

  • Verify OLE File Structure (Storage, Stream)

  • Check and extract hex content of Streams

  • Support for decompressing compressed OLE Streams

  • Ability to view saved images inside documents

  • View JavaScript inside the document

  • Viewer for strings present in BinData storage sub-streams

  • Viewing Tag information inside a document

Diagnosing vulnerabilities in HWP (5.x, 3.x) documents

  • Exploit.HWP.Generic.XX (TagID error)

  • Exploit.HWP.Generic.SC (contains shellcode)

  • Trojan.PS.Agent (malicious Dropper attack using PS)

  • JS.Heuristic (contains new JavaScript)

  • Exploit.HWP.Heuristic (adds shellcode using compression)

  • Exploit.RTF.Heurisitc (adds unknown RTF vulnerabilities)

  • Exploit.RTF.CVE-2010-3333

  • Exploit.RTF.CVE-2014-1761

Malware scanning

  • VirusTotal.com integration for malware scanning.

  • Malwares.com integration for malware scanning.

  • Malware scanning for DocInfo.

Usage environment

Minimum specifications
  • Operating system
  • Windows 7, 8(8.1), 10 (32bit/64bit)
  • CPU
  • Intel Dual Core or higher
  • Memory
  • Above 4GB
  • Hard disk
  • More than 5GB of free space
Recommended specifications
  • Operating system
  • Windows 7, 8(8.1), 10 (32bit/64bit)
  • CPU
  • Intel Core i3 2.9GHz or higher
  • Memory
  • Above 8GB
  • Hard disk
  • More than 10GB of free space

※ Internet connection is required for 3rd party API integration.

Case study of vulnerabilities in HWP documents

Stream 취약점 검사

Internal Stream vulnerability check for entire HWP documents.

비정상적인 문단

Exploit.HWP.Generic.43 (Abnormal paragraph text).

숨겨진 자바스크립트

JS.Heuristic (Form with hidden JavaScript).

EXE 파일을 가진 형태

Format containing EXE files (Discovery of major Windows APIs like _CreateFile).