Writing Of Malicious Files To The Fonts Folder
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About the rule
Rule Type
Standard
Rule Description
Monitors for the hiding possible malicious files in the C:\\Windows\\Fonts\\ location. This folder doesn't require admin privillege to be written and executed from.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND COMMANDLINE contains "echo,copy,type,file createnew,cacls" AND COMMANDLINE contains "C:\Windows\Fonts" AND COMMANDLINE contains ".sh,.exe,.dll,.bin,.bat,.cmd,.js,.msh,.reg,.scr,.ps,.vb,.jar,.pl,.inf,.cpl,.hta,.msi,.vbs"
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Sreeman
