Potential Persistence Via Netsh Helper DLL
Last updated on:
In this page
About the rule
Rule Type
Standard
Rule Description
Detects the execution of netsh with "add helper" flag in order to add a custom helper DLL. This technique can be abused to add a malicious helper DLL that can be used as a persistence proxy that gets called when netsh.exe is executed.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (ORIGINALFILENAME = "netsh.exe" OR PROCESSNAME endswith "\netsh.exe") AND (COMMANDLINE contains "add" AND COMMANDLINE contains "helper")
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
Victor Sergeev, oscd.community
