Microsoft Office DLL Sideload
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About the rule
Rule Type
Standard
Rule Description
Detects DLL sideloading of DLLs that are part of Microsoft Office from non standard location
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "sa_imageloaded" AND OBJECTNAME endswith "\outllib.dll" AND OBJECTNAME notstartswith "C:\Program Files\Microsoft Office\OFFICE,C:\Program Files (x86)\Microsoft Office\OFFICE,C:\Program Files\Microsoft Office\Root\OFFICE,C:\Program Files (x86)\Microsoft Office\Root\OFFICE" select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PRODUCT_NAME,Action1.OBJECTNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)
