Suspicious Advpack Call Via Rundll32.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects execution of "rundll32" calling "advpack.dll" with potential obfuscated ordinal calls in order to leverage the "RegisterOCX" function
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\rundll32.exe" OR ORIGINALFILENAME = "RUNDLL32.EXE" OR COMMANDLINE contains "rundll32") AND COMMANDLINE contains "advpack" AND ((COMMANDLINE contains "#+" AND COMMANDLINE contains "12") OR COMMANDLINE contains "#-") 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), Nasreddine Bencherchali (Nextron Systems)
