OneNote.EXE Execution of Malicious Embedded Scripts
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About the rule
Rule Type
Standard
Rule Description
Detects the execution of malicious OneNote documents that contain embedded scripts. When a user clicks on a OneNote attachment and then on the malicious link inside the ".one" file, it exports and executes the malicious embedded script from specific directories.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND PARENTPROCESSNAME endswith "\onenote.exe" AND PROCESSNAME endswith "\cmd.exe,\cscript.exe,\mshta.exe,\powershell.exe,\pwsh.exe,\wscript.exe" AND COMMANDLINE contains "\exported\,\onenoteofflinecache_files"
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
@kostastsale
