Chinese Hackers Implant PlugX Variant on Compromised MS Exchange Servers

A Chinese cyberespionage group known for targeting Southeast Asia leveraged flaws in the Microsoft Exchange Server that came to light earlier this March to deploy a previously undocumented variant of a remote access trojan (RAT) on compromised systems.
Attributing the intrusions to a threat actor named PKPLUG (aka Mustang Panda and HoneyMyte), Palo Alto Networks’ Unit 42 threat intelligence team

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