Install New Package Via Winget Local Manifest
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About the rule
Rule Type
Standard
Rule Description
Detects usage of winget to install applications via manifest file. Adversaries can abuse winget to download payloads remotely and execute them. The manifest option enables you to install an application by passing in a YAML file directly to the client. Winget can be used to download and install exe, msi or msix files later.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\winget.exe" OR ORIGINALFILENAME = "winget.exe") AND COMMANDLINE contains "install, add " AND COMMANDLINE contains "-m ,--manifest" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Sreeman, Florian Roth (Nextron Systems), frack113
