Netskope Threat Research Labs has recently observed a new wave of malicious file patterns where cloud-based storage services are again abused for hosting obfuscated JavaScript files. We have seen such malicious files in enterprise customers using some of the popular cloud storage and collaboration services. These malicious files had specific naming conventions similar to popular web browser setup files such as “Chrome_58.3.8.1.js” and Firefox_Setup_Stub_54.8.7.” Interestingly, these versions of browsers are not yet released — attackers might be capitalizing on their upcoming release to lure users into downloading the file. Netskope Threat Protection dete