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AAC-based Expert Rules AAC is a McAfee proprietary technology that Threat Prevention uses to protect key resources. You can extend this protection by creating rules to protect specLficfiles, processes, and registry items. AAC-based Expert Rules use a new syntax used with the Tool Command Language (Tcl) interpreter version 7.6.
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So now this has created a concern that - look like McAfee has reserved the customization methods.
What yo say?
Basically My purpose is to have a Expert Rule - Which can allow me to protect any Service being stop/restart etc. I agree that using the Access Protection we can do the same, however to add additional protection layer - would like to have Expert Rule created for the same. For Folder & Registry Protection - Expert Rule was created with help of above link Document.