macOS malware used run-only AppleScripts to avoid detection for five years
Nested run-only AppleScripts, for the win! But the cryptominer did not go entirely unnoticed. SentinelOne said that two Chinese security firms spotted and analyzed older versions of the OSAMiner in August and September 2018, respectively. But their reports only scratched the surface of what OSAMiner was capable of, SentinelOne macOS malware researcher Phil Stokes said yesterday. The primary reason was that security researchers weren't able to retrieve the malware's entire code at the time, which used nested run-only AppleScript files to retrieve its malicious code across different stages. ...
Source: zdnet.com
