One of the first images taken by the James Webb Telescope that was released by NASA was the “sharpest infrared image of the distant universe to date.” It’s a wondrous photo showing a detailed cluster of galaxies. It’s also currently being used by bad actors to infect systems with malware. Security analytics platform Securonix has identified a new malware campaign that uses the image, and the company is calling it the GO#WEBBFUSCATOR.

The attack starts with a phishing email containing a Microsoft Office attachment. Hidden within the document’s metadata is a URL that downloads a file with a script, which runs if certain Word macros are enabled. That, in turn, downloads a copy of Webb’s First Deep Field photo (pictured above) that contains as a malicious code masquerading as a certificate. In its report about the campaign, the company said all anti-virus programs were unable to detect the malicious code in the image.

Securonix VP Augusto Barros told Popular Science that there are a couple of possible reasons why the bad actors chose to use the popular James Webb photo. One is that the high-resolution images NASA had released come in massive file sizes and can evade suspicion in that regard. Also, even if an anti-malware program flags it, reviewers might pass it over since it’s been widely shared online in the past couple of months. 

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Another interesting thing of note about the campaign is that it uses Golang, Google’s open-source programming language, for its malware. Securonix says Golang-based malware are rising in popularity, because they have flexible cross-platform support and are more difficult to analyze and reverse engineer than malware based on other programming languages. Like other malware campaign that starts with a phishing email, though, the best way to avoid being a victim of this attack is to avoid downloading attachments from untrusted sources.