AMSIext is a plugin that allows you to send any data stream from the browser to AMSI. AMSI is the way to communicate RAM memory with Windows Defender (or any other endpoint security system). This means that while browsing the web, AMSIext will alert you to malicious JavaScript, PowerShell or whatever − even before it may be executed or downloaded in your system!
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This addon requires connection with AMSI and since this cannot be done from the extension itself an application is needed that should be downloaded aside from the addon. You can download the app from here. Source code of this application is available as open source.
You can download the app from here.
Source code of this application is available as open source.