AppX Package Installation Attempts Via AppInstaller.EXE

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About the rule

Rule Type

Standard

Rule Description

Detects DNS queries made by "AppInstaller.EXE". The AppInstaller is the default handler for the "ms-appinstaller" URI. It attempts to load/install a package from the referenced URL

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_dns_query" AND PROCESSNAME startswith "C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_" AND PROCESSNAME endswith "\AppInstaller.exe" select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.QUERY,Action1.STATUSCODE,Action1.RESULT

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113