Add cipher RANSOMEXX test (#1691)
Add cipher RANSOMEXX test (#1691)

* Add cipher RANSOMEXX test

* update description

Co-authored-by: Carrie Roberts <9e9095607825afde3c102e8bff2cbec60876d766@gmail.com>
redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team,redcanaryco/atomic-red-team