Trojans Embedded in .svg Files

Source

Porn sites are hiding code in.svg files: Unpacking the attack took work because much of the JavaScript in the.svg images was heavily obscured using a custom version of “JSFuck,” a technique that uses only a handful of character types to encode JavaScript into a camouflaged wall of text. Once decoded, the script causes the browser to download a chain of additional obfuscated JavaScript. The final payload, a known malicious script called Trojan.JS.Likejack, induces the browser to like a specified Facebook post as long as a user has their account open. “This Trojan, also written in Javascript, silently clicks a ‘Like’ [...]