AddinUtil.EXE Execution From Uncommon Directory

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About the rule

Rule Type

Standard

Rule Description

Detects execution of the Add-In deployment cache updating utility (AddInutil.exe) from a non-standard directory.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\addinutil.exe" OR ORIGINALFILENAME = "AddInUtil.exe") AND PROCESSNAME notcontains ":\Windows\Microsoft.NET\Framework\,:\Windows\Microsoft.NET\Framework64\,:\Windows\Microsoft.NET\FrameworkArm\,:\Windows\Microsoft.NET\FrameworkArm64\,:\Windows\WinSxS" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Michael McKinley (@McKinleyMike), Tony Latteri (@TheLatteri)