The latest malvertising ad fraud technique, highlighted by researchers at Devcon, involves polyglot images used by advanced groups of cyber criminals. And these polyglot images are starting to show up all over the ad fraud space.Read More
[Devcon has] uncovered an experimental and more complex form of malware than previously seen inside of several major ad networks, potentially signaling that mainstream hackers are looking to target the ad-tech ecosystem beyond siphoning revenue.Read More
The malvertising space may be seeing an influx of more advanced threat actors according one research report that found polyglot images now being used to disguise malvertising attacks.
Polyglot images, which differ from their near cousins steganographic images primarily by not needing an external script to extract the payload, have been spotted in the wild.Read More
Attackers use BMP (.bmp) images in the malvertising campaigns and manipulate the size of the image bytes and hexadecimal characters to trick the computer to believe it as something else.Read More
Cybercriminals have started using so-called ‘polyglot images’ to disguise malvertising attacks.