locate-surfbuyer-downloader-decoding-activity

This query was originally published in the threat analytics report, OSX/SurfBuyer adware campaign. It will return results if a shell script has furtively attempted to decode and save a file to a /tmp folder. If discovered on your system, this kind of activity might be associated with SurfBuyer, which is adware that installs a browser extension to take control of several major web browsers, including Safari, Google Chrome, and Firefox.