IIS Native-Code Module Command Line Installation
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious IIS native-code module installations via command line
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND ((PROCESSNAME endswith "\appcmd.exe" OR ORIGINALFILENAME = "appcmd.exe") AND ((COMMANDLINE contains "install" AND COMMANDLINE contains "module") AND COMMANDLINE contains "-name:,/name:,–name:,—name:,―name:")) AND PARENTPROCESSNAME != "C:\Windows\System32\inetsrv\iissetup.exe"
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)
