Malvertising seems to be enjoying a renaissance as of late, whether it is from ads on search engine results pages or via popular websites. Because browsers are more secure today than they were 5 or 10 years ago, the attacks that we are seeing all involve some form of social engineering.
A threat actor is using malicious ads to redirect users to what looks like a Windows security update. The scheme is very well designed as it relies on the web browser to display a full screen animation that very much resembles what you'd expect from Microsoft...
A Few days ago, Malwarebytes tread intelligence team discovered a new campaign that uses a fake Windows update to drop the Aurora stealer. The attack starts with a malvertising chain that redirects users to a website displaying a fake Windows update page. The page is designed to look like the real thing, with a full screen animation that very much resembles what you'd expect from Microsoft.
After discovering and researching the IoC from the article, all compromised domains were added to OpenBLD.net DNSBL 🎉
Part of lists you can download from Cactusd 🌵 repository.