Add Insecure Download Source To Winget
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About the rule
Rule Type
Standard
Rule Description
Detects usage of winget to add a new insecure (http) download source. Winget will not allow the addition of insecure sources, hence this could indicate potential suspicious activity (or typos)
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\winget.exe" OR ORIGINALFILENAME = "winget.exe") AND (COMMANDLINE contains "source " AND COMMANDLINE contains "add " AND COMMANDLINE contains "http://") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
