Potential Arbitrary File Download Using Office Application
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About the rule
Rule Type
Standard
Rule Description
Detects potential arbitrary file download using a Microsoft Office application
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\EXCEL.EXE,\POWERPNT.EXE,\WINWORD.exe" OR ORIGINALFILENAME = "Excel.exe,POWERPNT.EXE,WinWord.exe") AND COMMANDLINE contains "http://,https://" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems), Beyu Denis, oscd.community
