Some friends and I did some testing this evening with TOX clients. We wanted to take a look at PERSEC/OPSEC considerations for using TOX. I also had a sneaky suspicion that it might out of the box leak more than people would appreciate (just a hunch and you don’t know until you test right!).
So, we setup a test. In the test we had:Read more “Some TOX Clients Leak Egress IP addresses”
A very common technique in ransomware scenarios is the deployment of Scheduled Tasks via Group Policy object.
So I thought I’d start to post some content around this. To start with I was looking locally to enable the following:
“Show me all the command lines used in scheduled tasks on Windows with PowerShell”
So I knocked up this really simple proof of concept (there are other ways to write this obvs)Read more “Malicious Scheduled Tasks”
This isn’t a rant, far from it but I’ve been working on this for over a week now and some major questions are sprining to mind with regard to how the IOCs and detection details released may have hindered response efforts. These vulnerabilities were known about since at least December 2020, there were months to get detection intel and scripts/tools ready for people (that’s if you don’t question why did it take so long). So I’ve put some of my thoughts down here on some of the challenges with the IoCs initially released and the detection tools etc. I’ll probably update this later but wanted to publish it before it becomes virtual dust! Read more “Thoughts on IOCs for Exchange Hafnium/ProxyLogon”