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Bypassing Firewalls in macOS Big Sur

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Re: Bypassing Firewalls in macOS Big Sur

#13

Post by qz2 »

This whole release cycle is just one gigantic facepalm after another.

I am feeling pretty heavily smug that I got rid of my Apple kit earlier this year because I wasn't happy with the direction of the platform.

Re: Bypassing Firewalls in macOS Big Sur

#14

Post by _qulr »

dexter0 wrote: post #9

It's not clear from the tweet and video: How is his exfiltrator piggybacking on an excluded Apple process? Is nsurlsessiond in the exclude list?

I don't think the video was intended to explain the technique. It's likely that Wardle is privately reporting the details to Apple Product Security.

Re: Bypassing Firewalls in macOS Big Sur

#17

Post by userbinator »

This reminds me of the old saying that it's impossible to work within an infected system to clean it --- and now that corporations have been "infecting" systems with such telemetry/spyware by default, that's even more true.

I believe Win10 was the first to do something like this --- it ignores the hosts files and firewall for certain hardcoded domain names and IPs.

Re: Bypassing Firewalls in macOS Big Sur

#19

Post by qz2 »

lostlogin wrote: post #18
qz2 wrote: post #13

This whole release cycle is just one gigantic facepalm after another. I am feeling pretty heavily smug that I got rid of my Apple kit earlier this year because I wasn't happy with the direction of the platform.

What did you move to?

Fedora on Thinkpad + custom desktop.
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