Living Off the Land Attacks: Detection and Response Guide
The most popular advice about living off the land attacks is also the least useful when it stands alone: hunt for suspicious PowerShell, block LOLBins, and alert whenever a signed Microsoft binary behaves unexpectedly. Those controls have value, but they don't solve the operational problem. PowerShell, WMI, certutil.exe, and bitsadmin.exe are legitimate administrative utilities, and attackers abuse them precisely because security teams can't remove them without disrupting normal work.