Nearly 30,000 Macs around the world are infected with a mysterious malware, according to researchers at security firm Red Canary.

The company calls the malware "Silver Sparrow" and says it includes a self-destruct mechanism that appears to not have been used.

Researchers say it's not clear what the malware's goal is.

Data shows Silver Sparrow has infected Macs in at least 153 countries, including the U.S.