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Stegalyzer AS - Steganography Analyzer Artifact Scanner


Steganography Analyzer Artifact Scanner (StegAlyzer AS) is a digital forensic analysis tool designed to extend the scope of traditional digital forensic examinations by allowing the examiner to scan suspect media or forensic images of suspect media for known artifacts of steganography applications.

Artifacts may be identified by scanning the file system as well as the registry on a Microsoft Windows® system. StegAlyzer AS allows for identification of files by using CRC-32, MD5, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512 hash values stored in the Steganography Application Fingerprint Database (SAFDB). SAFDB is the largest commercially available steganography hash set. Known registry keys are identified by using the Registry Artifact Key Database (RAKDB) distributed with StegAlyzerAS.

StegAlyzer AS was found to be effective for identifying file and registry artifacts by the Defense Cyber Crime Institute (DCCI)1 and the CyberScience Laboratory (CSL)2.

Product highlights in StegAlyzer AS:

  • Case generation and management
  • Mount and scan forensic images of storage media in EnCase, ISO, RAW (dd), and SMART formats
  • Automated scanning of an entire file system, individual directories, or individual files on suspect media for the presence of steganography application file artifacts
  • Automated scanning of the Microsoft Windows® Registry for the presence of registry artifacts associated with particular steganography applications
  • File and registry artifact evidence viewers allow the examiner to view evidence according to the percentage of artifacts that were discovered for each steganography application detected
  • Scan summary viewer allows the examiner to quickly view a statistical summary of any previous scan performed during a particular examination
  • Extensive report generation in HTML format
  • Automated logging of key events and information of potential evidentiary value
  • Integrated help feature to explain specific features and functions