Rundll32 Execution Without CommandLine Parameters
Last updated on:
Applies to: Log360Log360 Cloud
In this page
About the rule
Rule Type
Standard
Rule Description
Detects suspicious start of rundll32.exe without any parameters as found in CobaltStrike beacon activity
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND COMMANDLINE endswith "\rundll32.exe,\rundll32.exe",\rundll32" AND PARENTPROCESSNAME notcontains "\AppData\Local\,\Microsoft\Edge"
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
Florian Roth (Nextron Systems)
