Unity3D protection in “AU2” dance games, part 2

kao

Last December I wrote a blog post explaining how some of the AU2 dance games were protected. Apparently, the protection author read the blog post and updated his protection. 🙂 This blog post will explain how the protection was changed and suggest several ways of dealing with the new features.

This analysis covers:

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April update of unpackers

kao

Molebox VS unpacker

This is a quite big update for Molebox VS unpacker. It fixes most of the bugs I'm aware of:

  • Supports Molebox GPL version
  • Removes "anti-hacking" protection
  • Supports BOX files in sub-directories
  • Shows embedded command-line
  • Main executable will be named {yourfile}_unpacked.exe
  • Fix calculation of SizeOfImage in edge cases
  • Fix decryption in edge cases

It's still not perfect and will fail in some situations - but I didn't want to postpone the release any longer. Please let me know if it crashes for you and I'll try to fix the problem. 🙂
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