NightEagle APT Exploits Microsoft Exchange Flaw to Target China’s Military and Tech Sectors

NightEagle APT Exploits Microsoft Exchange Flaw to Target China’s Military and Tech Sectors

Cybersecurity researchers have uncovered NightEagle, a sophisticated threat actor targeting Microsoft Exchange servers for espionage in China’s high-tech and military sectors. The group employs zero-day exploits and custom tools to infiltrate networks and extract intelligence. #NightEagle #ZeroDayExploit

Keypoints

  • NightEagle has been active since 2023, rapidly changing network infrastructure to evade detection.
  • The threat actor targets high-value sectors such as government, defense, and technology in China.
  • They use a modified Go-based Chisel utility to penetrate intranet networks automatically.
  • A zero-day vulnerability in Microsoft Exchange allows them to implant Trojans and access mailbox data.
  • Analysis suggests that the attacker may originate from North America, operating mainly at night in China.

Read More: https://thehackernews.com/2025/07/nighteagle-apt-exploits-microsoft.html