• bunee
• August 29, 2023
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New Global Espionage Campaign Exposed: UNC4841

Main Points:

• Suspected Chinese-linked hacking group exploits a zero-day flaw in Barracuda Networks Email Security Gateway to carry out a global espionage campaign
• The group has hit the government, military, defense and aerospace, high-tech industry, and telecom sectors
• Mandiant tracks the activity of the highly efficient and relentless threat actor under the name UNC4841

Zero-day Flaw Exploitation: A Hacker’s Trick

Do Chinese hackers ever sleep? Suspected to have links with China, a hacking group has found a way to exploit a fresh zero-day flaw in Barracuda Networks Email Security Gateway (ESG) appliances. Barracuda must’ve told the hackers, “Your host, not today!” but alas, the “bug” was not on the company’s side this time.

Target Selection: Not So Random

These hackers didn’t just flip a coin when deciding who to attack. They targeted crucial sectors including government, military, defense and aerospace, high-tech industry, and telecom sectors. Hats off to them for their ambitions, but it’s a low blow to cyber security worldwide. Now I’m wondering if their mothers would be proud or terrified, if they had a clue.

UNC4841: The “Who” Behind the “Hack”

When it comes to cyber threats, transparency is definitely valued, and the cybersecurity firm Mandiant is keeping an eye on everything. They’ve identified this threat actor as UNC4841. Describing them as “highly responsive” might be an understatement. ‘Highly relentless’ or ‘cyber bulldozers’ might be a more apt description.

Recap: A Glitch in the Cyber Matrix

What’s clear is a suspected Chinese-related hacking group, tracked as UNC4841, has found a loophole in Barracuda Networks Email Security Gateway appliances. Not shy about their ambitions, they have disrupted several critical sectors worldwide in their global espionage campaign. Our trusted security watchdog, Mandiant, is on the case tracking their activities. As for what happens next, even my crystal ball can’t predict that…

Original Article: https://thehackernews.com/2023/08/chinese-hacking-group-exploits.html