You know when you're really jet lagged and really tired and the cogs in your head are just moving that little bit too slow? That's me right now, and the penny has just dropped that a Mailchimp phish has grabbed my credentials, logged into my account and exported the mailing list for this blog. I'm deliberately keeping this post very succinct to ensure the message goes out to my impacted subscribers ASAP, then I'll update the post with more details.
Sygnia investigates Weaver Ant, a stealthy China-nexus threat actor targeting telecom providers. Learn how web shells enable persistence and espionage.
The hackers compromised home routers made by Zyxel to gain entry into a “major” telecommunications company's environment.
orums as part of our Threat Discovery Process.
Designed to target Windows systems, this ransomware employs advanced encryption techniques and appends a unique file extension to compromised files. Its stealthy evasion tactics and persistence mechanisms make detection and removal challenging. This highlights the need for proactive cybersecurity measures and a robust incident response strategy to safeguard data integrity and minimize breach risks.
Target Technologies: Windows
Target Geography: France, USA.
Target Industry: Government, Manufacturing, Pharma.
Encrypted file extension: .vanhelsing
Observed First: 2025-03-16
Threat actor Communication mode: Tor