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Researchers discover another ongoing cyberattack using NSA hacking tools

Cybersecurity researchers have identified a second ongoing global cyberattack that has quietly hijacked hundreds of thousands of computers around the world, including many in the United States, for a massive cryptocurrency mining operation.

While investigating the WannaCry ransomware attacks, researchers at the cybersecurity firm Proofpoint stumbled upon another “less noisy” form of malware called Adylkuzz that, the firm says, has likely generated millions of dollars in cryptocurrency for the unknown attackers.

According to Ryan Kalember, the senior vice president for cybersecurity at Proofpoint, the attack employed the same hacking tools developed by the U.S. National Security Agency (NSA) and leaked to the public by the hacker group Shadow Brokers in April to exploit vulnerabilities in the Microsoft Windows operating system.

“I would say the real-world impact of this attack is going to be more substantial than WannaCry,” Kalember told ABC News. “Ransomware is painful, but you can restore operations relatively quickly. Here, you have a huge amount of money landing in some bad people’s hands. That has geopolitical consequences.”

The firm is still working to establish attribution for the attacks, but Kalember pointed out that North Korean-backed Lazarus Group – the same hacker group linked to the WannaCry attacks – launched a similar cryptocurrency mining attack in late 2016.

Microsoft released a pair of patches to address the vulnerability exploited by both WannaCry and Adylkuzz, but the firm says computers that adopted those patches after being infected would remain compromised, and networks that have not adopted those patches would remain exposed.

Proofpoint identified Adylkuzz attacks dating back to May 2, which would predate the WannaCry attacks, making Adylkuzz the first known widespread use of the leaked NSA hacking tools. It remained undetected for so long, Kalember says, because its impact on users is far less noticeable than…

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