Fresh hacks every day
[Cyber Explorer] recently ditched his collection of physical computers acting as servers by virtualizing the lot of them. But with every change there’s a drawback. Although it wasn’t too hard for him to set up the virtual machines, he did end up spending quite a bit of time trying to improve the bandwidth. Luckily he posted an article chronicling all … Read the rest
[Clifford Wolf] wrote in to let us know about a project he recently completed called EmbedVM. It’s a virtual machine for AVR microcontrollers. The package has a relatively small overhead, taking up about 3kB of program memory. The VM can execute 74,000 instructions per second, and runs asynchronously from the microcontroller. As [Clifford] demonstrates in the videos after the … Read the rest
Capture the Flag (CTF) is a long running tradition at hacker conventions. It pits teams of security researchers against each other on the same network. Every team gets an identical virtual machine image. The VM has a set of custom written services that are known to be vulnerable. The teams work to secure their image while simultaneously exploiting … Read the rest
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