Example: DragonOK

Yesterday Palo Alto published an article ( http://researchcenter.paloaltonetworks.com/2015/04/unit-42-identifies-new-dragonok-backdoor-malware-deployed-against-japanese-targets/ ) describing some targetting against primarily Japanese organisations using Chinese malware such as PlugX and others.

And here is a link to browse some of these connections in ThreatCrowd:

https://www.threatcrowd.org/email.php?email=wtao1020@gmail.com