Software licensing template that gives room for restricting usage to certain industries/uses of software/source

Software licensing template that gives room for restricting usage to
certain industries/uses of software/source

I'm developing some software that I would like to be "semi" open source. I
would like to allow for anyone to use my software/source unless they are
using the software/source for certain purposes. For example, I don't want
to allow usage of the software/source if it is being used to create,
distribute, view or otherwise support pornography, illegal purposes, etc.
I'm no lawyer and couldn't ever hope to write a license myself nor do I
have to time to figure how to best do this.
My question is this: Does there exist a freely available license or a
template for a license that I can use to license my software under they
conditions explained above just like one can use the Creative Commons
licenses?
If not, am I allowed to just alter one of Creative Commons licenses to
meet my needs?