The Chinese APT group had access to an NSA Equation Group, NSA hacking tool and used it years before it was leaked online by Shadow Brokers group. Check Point Research team discovered that China-linked APT31 group (aka Zirconium.) used a tool dubbed Jian, which is a clone of NSA Equation Group ‘s “EpMe” hacking tool years before it was leaked online by Shadow Brokers hackers.

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