Most popular CAATs are ACL or CaseWare IDEA. You can purchase them from their website. If you are looking for the free CAATs, you may can consider to install the following:
ICAEA--International Computer Auditing Education Association
Index Of Edius X |best| 🚀
If you want, I can convert this into a 6-week syllabus with lesson plans, create assessment rubrics, or draft a classroom handout. Which would you prefer?