Suspicious MSHTA Child Process
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About the rule
Rule Type
Standard
Rule Description
Detects a suspicious process spawning from an "mshta.exe" process, which could be indicative of a malicious HTA script execution
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND PARENTPROCESSNAME endswith "\mshta.exe" AND (PROCESSNAME endswith "\cmd.exe,\powershell.exe,\pwsh.exe,\wscript.exe,\cscript.exe,\sh.exe,\bash.exe,\reg.exe,\regsvr32.exe,\bitsadmin.exe" OR ORIGINALFILENAME = "Cmd.Exe,PowerShell.EXE,pwsh.dll,wscript.exe,cscript.exe,Bash.exe,reg.exe,REGSVR32.EXE,bitsadmin.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
Michael Haag
