JavaScript has been used in fairly simple obfuscation techniques, but the obfuscation is becoming more sophisticated, he found. Take XOR decryption, which he's seeing in more and more campaigns.

A research that analyzed over 10,000 samples of diverse malicious software written in JavaScript concluded that roughly 26% of it is obfuscated to evade detection and analysis.

JavaScript obfuscation continues to be a favored method among cyberattackers for sneaking past defenses to deliver a broad range of payloads. However, even a good method for flagging the presence ...

Researchers discovered that a new technique used by malware authors to hide their tracks was lifted from a 2008 presentation at the DEFCON hacker conference.