Suspicious Rundll32 Invoking Inline VBScript
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious process related to rundll32 based on command line that invokes inline VBScript as seen being used by UNC2452
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND COMMANDLINE contains "rundll32.exe" AND COMMANDLINE contains "Execute" AND COMMANDLINE contains "RegRead" AND COMMANDLINE contains "window.close" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
