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FBI disrupts Chinese hacking tools used to breach critical infrastructure

BleepingComputer·Source published ·1 min read·Video available
Advisory videoOpen on YouTube ↗

What happened?

The FBI has seized seven domains used by Chinese state-sponsored hackers known as Flax Typhoon to operate two hacking tools, MicroScan and FishHub, used in attacks that breached critical infrastructure and other organizations worldwide. [...]

Key details

  • FBI seized seven domains used by Chinese state-sponsored group Flax Typhoon to operate MicroScan and FishHub hacking tools.
  • Integrity Technology Group developed the tools and has contracts with the Chinese government, per U.S. authorities.
  • Scanning activity led to confirmed breaches at two Taiwanese universities in August 2022 and March 2023.

Affected

  • U.S. government agencies, critical manufacturing, healthcare, IT, law enforcement, education, religious organizations, and entities in Southeast Asia, Africa, North America.
  • Specific targets included a South Carolina power company, airports in Japan and Poland, Taiwanese natural gas and electricity companies, and universities.

Fixes and mitigations

  1. Patch vulnerable systems, disable unnecessary exposed services, and enforce multifactor authentication.

What to look for

  • IP addresses, domains, malware hashes, and tool details listed in the joint advisory.
  • Use of EBurst tool for password-spraying against Microsoft Exchange servers.
  • SoftEther VPN software installed on compromised systems for persistent remote access.

Summarised by SecOraLens from BleepingComputer. Always read the original source before acting. How SecOraLens verifies advisories.