One of the most common initial access vectors into environments by threat actors is through use of legitimate RMM tooling, offering both hands-on-keyboard access as well as stealth. Read more below for some considerations on detecting such activity.
The first entry in the Detection Deep Dive series: mapping encoded PowerShell execution to detection logic in Microsoft Defender, tuning out the false positives, and knowing what the detection can’t see.
A deep dive into AppDomainManager injection (T1574.014): how attackers use .NET’s own extensibility model to proxy execution of malicious assemblies through legitimate signed binaries, and what defenders can — and can’t — do about it.