Ok, so Post owns Malt-o-Meal meaning that sentimentalism aside what we are getting here "probably" is Oreo O's.
However, to me it tastes different: more sugary/vanilla heavy with the chocolate component not being as dark and crispier while also not as hard vs the OG.
Wanting to rule out my biases, I compared the ingredients in South Korean boxes vs our bags...and they are different. Cookies & Cream lists Corn Flour at the top, then a good bit later "whole oat flour" and no wheat.
Until I fork over the money for an international box, the issue will remain undecided in my mind.
TL;DR : they are good tho not GOAT.