Fragments of Cross-Platform Backdoor Hint at Larger Mac OS Attack

During routine detection maintenance, our Mac researchers stumbled upon a small
set of files with backdoor capabilities that seem to form part of a more complex
malware toolkit. The following analysis is incomplete, as we are trying to
identify the puzzle pieces that are still missing.

As of now, these samples are still largely undetected and very little
information is available about any of them. The earliest mention we could find
is an anonymous April 18 upload on VirusTotal (IoC A),  as well