From Malware Labs to Persistent Data Disks

Thousands of Viruses on My Laptop I know not everyone gets to attend ethical hacker training. Especially not malware analysis workshops. The interesting part? Having thousands of viruses and malware samples on your computer. Don’t try this at home. Unless you know exactly what you’re doing. First thing you need - a proper virtualization solution. Full virtualization. Don’t even think about Docker for this. We used VirtualBox back then. And we got access to a 6-10GB data disk. That we had to attach to the workshop VM, which was Kali Linux. ...

November 1, 2025 · 8 min · Zoltan Toma

Three VM Crashes Later, I Built Data Disk Support

Three Times My colleague lost his VM three times. Not in a year - in the last few months we’ve been working together. Each time it happened, we’d shrug it off. That’s what Vagrant is for, right? Just run vagrant up and you’re back in business. The development environment is code - it’s reproducible. Except it wasn’t. All three times, he had uncommitted work on that VM. Database migrations half-done. Configuration files tweaked just right but not yet committed. Local test data. You know, the stuff you’re “definitely going to commit tomorrow.” ...

November 1, 2025 · 7 min · Zoltan Toma