When writing the policy to match this, you may have to use \n character to indicate a new line. This is because the policy reporter does not understand when a new line occurs, and can be very nit-picky about spacing and new lines when it comes to matching. The expression might look something like this:
| banner login ^\n****************************************************************************************\n* *\n* USE OF THIS SYSTEM IS RESTRICTED TO AUTHORIZED PERSONNEL. ACCESSING AND/OR *\n* USING THIS SYSTEM WITHOUT AUTHORIZATION, OR FOR UNAUTHORIZED PURPOSES, IS *\n* STRICTLY PROHIBITED BY THE COMPANY AND MAY CONSTITUTE A CRIME. YOUR USE OF *\n* THIS SYSTEM IS SUBJECT TO MONITORING, blah, blah, blah.............................. *\n* *\n****************************************************************************************\n^ |
Alternatively, you could try to create a new rule per each line.