Suspicious Rundll32 Execution With Image Extension
Last updated on:
Applies to: Log360Log360 Cloud
In this page
About the rule
Rule Type
Standard
Rule Description
Detects the execution of Rundll32.exe with DLL files masquerading as image files
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PROCESSNAME endswith "\rundll32.exe" OR ORIGINALFILENAME = "RUNDLL32.exe") AND COMMANDLINE contains ".bmp,.cr2,.eps,.gif,.ico,.jpeg,.jpg,.nef,.orf,.png,.raw,.sr2,.tif,.tiff"
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
Hieu Tran


