I tested a few items, not many though.
08 wf and gaze stayed, occy rings dissapeared ( suprising :rolleyes ), bugged strings stayed, and i don't care to remember the name of the rings, so I'll guess it was viper whorl stayed.
the character tested wasn't really equiped with anything else controversial. And some items just don't seem to need testing (like the occy rings).
Seriously, do you think there's a chance your hex charms, white rings, etc are going to stay? There extremely easy to detect. non-magical ring, 'poof'. Stats don't even come from that name in any amount 'poof', soj without these exact stat, 'poof'
its not hard to detect hacked items. Duped items maybe, but not hacked items. Just check whether the stats match the prefix and suffix, or whatever is used to label that item.
non-magical items with stats are hacked as well.
Blizzard, look how easy it is!