They'd open them inside VMs without networking. Try phoning home inside a setup like that setup by a professional hacker. ...ya I don't think you'll phone home

They'd open them inside VMs without networking. Try phoning home inside a setup like that setup by a professional hacker. ...ya I don't think you'll phone home either. You have to realize these hackers are people who have to deal with honeypots & law enforcement without getting infected/exposed/whatever. They are going to take some precautions if they are to be successful in the long run.