Windows Defense Evasion Guide

Antimalware Scan Interface [ AMSI ]Antimalware Scan Interface [ AMSI ] is. Microsoft developed it to provide a set of API calls for applications, including any third-party applications, to perform a signature-based scan of the content. Windows Defender uses it to scan PowerShell scripts, .NET, VBA macros, Windows Script Host (WSH), VBScript, and JavaScript..