Earlier quoted context omitted.
jasonsaayman and voxpelli had useful write ups from the "head on a swivel" perspective of what to watch out for. Jason mentioned "the meeting said something on my system was out of date." they were using Microsoft meeting and that's how they got RCE. Would love more color on that.
they are cloning Zoom and MS Teams, and try to get people to either copy a script (which is in a textarea that's conveniently too small to show the whole script, and scrollbars are hidden by CSS, and there's a copy button, and when you paste it into the terminal you'll see last few lines, also look innocent, but there's a curl | zsh or `mshta` somewhere in there), download and run a binary/.dmg (and it might be even…
Arrgh. You're looking at the closest thing to a root cause and you're just waving over it. The culture of "just paste this script" is the problem here. People trained not to do this (or, like me, old enough to be horrified about it and refuse on principle) aren't vulnerable. But you just... give up on that and instead view this as a problem with "muscle memory" about chat etiquette?
Good grief, folks. At best that's security theater.
FWIW, there's also a root-er cause about where this culture came from. And that's 100% down to Apple Computer's congenital hatred of open source and refusal to provide or even bless a secure package management system for their OS. People do this because there's no feasible alternative on a mac, and people love macs more than they love security it seems.