Suspicious Rundll32 Activity Invoking Sys File
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious process related to rundll32 based on command line that includes a *.sys file as seen being used by UNC2452
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND COMMANDLINE contains "rundll32.exe" AND COMMANDLINE contains ".sys,,.sys " 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)
