It shows an old-school Mac desktop: Mount Image With the ROM in the same directory, it loads to this:Ĭontinuing from the start page, I’ll download the System Startup file ( here), and drag it onto Mini vMac. The start page for Mini vMac recommends the file vMac.ROM, which can be found on this GitHub. On running it, it complains that it needs a ROM: I’ll download Mini vMac from their downloads page. Nur geträumt.img: Apple DiskCopy 4.2 image Nur getr\212umt, 1474560 bytes, MFM CAV dshd (1440k), 0x2 format
#MINI VMAC FOR MAC OS X MAC OS#
It was tested on a great many machines and emulators, and validated to run well on Mac OS from 6.0.8 through 10.4. This application was written on a Power Macintosh 7300 using CodeWarrior Pro 5, ResEdit, and Resourcerer (my old setup from roughly 1997, still alive!).
The setup of the emulation environment is part of the challenge, so few spoilers live here, but if you want to save yourself some headaches, Mini vMac is a pretty good choice that doesn’t take much effort to get up and running compared to some other options. This application can be run on any Macintosh emulator (or any real Macintosh from as far back as a Mac Plus running System 6.0.x up to a G5 running Classic). Super ResEdit, an augmented version of Apple’s ResEdit resource editor which adds a disassembler, is also included on the disk image to help you complete the challenge, though you will likely also need to do some outside research to guess the passphrase. You must determine the passphrase used to decode the flag contained within the application.
This challenge is a Macintosh disk image (Disk Copy 4.2 format, for those who need to know) containing a 68K Macintosh program. There’s no real reversing involved, but rather reading what is available from reading resources with Super ResEdit, a tool for reversing these old Mac application. Nur geträumt is mostly a challenge about getting an old Mac disk image running in an emulator, and then poking around to get enough clues to solve a trivia problem.
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