This rule aims to detect the execution of the Add-In deployment cache updating utility, AddInUtil.exe, from an uncommon directory. This tool is typically located in standard directories associated with Microsoft's .NET Framework, and its execution from a non-standard location could indicate an attempt at defense evasion by malicious actors or the misuse of legitimate tools. The detection mechanism revolves around monitoring process creation events to find instances where AddInUtil.exe is executed outside of its standard paths. The rule incorporates two main detection criteria: the process image name must end with 'addinutil.exe', and its original file name must be 'AddInUtil.exe'. For a legitimate execution, the path should be excluded if it contains standard directory references, such as Windows.NET Framework paths. If AddInUtil.exe is detected executing outside these legitimate directories, it will trigger an alert, flagging potential misuse of this tool.