Suspicious Child Process of SolarWinds WebHelpDesk
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About the rule
Rule Type
Standard
Rule Description
Detects download/exec child processes spawned by SolarWinds WebHelpDesk Tomcat JVM (java.exe/javaw.exe) - CVE-2025-40551 RCE.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PARENTPROCESSNAME contains "\WebHelpDesk\bin" AND PARENTPROCESSNAME endswith "\java.exe,\javaw.exe" AND PARENTPROCESSCOMMANDLINE contains "tomcat" AND COMMANDLINE contains "-enc,base64,bitsadmin,certutil,curl,Invoke-RestMethod,Invoke-WebRequest,irm ,iwr ,mshta,msiexec,Net.WebClient,Start-BitsTransfer,wget,wmic")
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
@Huntress Team, Swachchhanda Shrawan Poudel (Nextron Systems)
