Researchers warn of possible active exploitation of unpatched security vulnerability in Apple’s macOS Gatekeeper security feature details and PoC for which were publicly disclosed late last month. Intego team last week discovered four samples of new malware on VirusTotal that leverage the GateKeeper bypass vulnerability to execute untrusted code on macOS without displaying users any warning or asking for their explicit permission. The newly discovered malware, dubbed, has not been seen in the wild as of now and appears to be under development.
Source: https://thehackernews.com/2019/06/macos-malware-gatekeeper.html