Beyond Net User – Part 2: DS Commands

In the previous post we discussed some of the limitations of Net commands. Most notably, the output limitation (doesn’t show all groups) and it doesn’t allow for flexible searching. In this post we’ll discuss the DS commands to get around these...

Better FDE Passphrase with macOS FileVault

I use full disk encryption (FDE) on all my laptops and portable media. I like to have a very strong passphrase for these, one that is even stronger than that for my user accounts. Let’s be realistic, very very few people are going to use a 60 character...

3 Years of DirecTV User-Agent Command Injection

I found a bug in one of my DirecTV devices in 2015 after I got DirecTV. DirecTV didn’t have a bug bounty program at that time so I used it as a demo in my classes. When AT&T bought DirecTV it then fell under AT&T’s bug bounty, which is awarded...