Hi All
Some nasty custom made macOS malware has been created: This apparently is not common.
"The exposure of custom malware used by sophisticated threat actors isn't common. Those groups operate very carefully, leaving a minimal trace and wiping remnants of the malware to keep their tools secret and evade IoC-based detection."
A very good explanation can be found here:
https://www.bleepingcomputer.com/news/security/custom-macos-malware-of-chinese-hackers-storm-cloud-e...
Regards
Caute_Cautim