NSA Warns of Sandworm Backdoor Attacks on Mail Servers
The Russian spy group, a.k.a. BlackEnergy, is actively compromising Exim mail servers via a critical security vulnerability.
Back in October 2019 we detected a classic watering-hole attack on a North Korea-related news site that exploited a chain of Google Chrome and Microsoft Windows zero-days. While we’ve already published blog posts briefly describing this operation (available here and here), in this blog post we’d like to take a deep technical dive into the…