Remcos RAT Loader - Browser Process Hollowing
Detects potential Remcos RAT loader activity involving process hollowing or injection into browser processes. This rule specifically looks for common browser executables (iexplore.exe, chrome.exe, firefox.exe) where the initiating parent process is 'Optimax.dll' or contains 'SystemOptimizer', which are indicators associated with the Remcos RAT loader.
Microsoft Sentinel (KQL)
