PLAY PODCASTS
When macOS gets frostbite.
Season 9 · Episode 404

When macOS gets frostbite.

Research Saturday · N2K Networks

December 6, 202524m 40s

Audio is streamed directly from the publisher (pdst.fm) as published in their RSS feed. Play Podcasts does not host this file. Rights-holders can request removal through the copyright & takedown page.

Show Notes

Jaron Bradley, Director of Jamf Threat Labs, is sharing their work on "ChillyHell: A Deep Dive into a Modular macOS Backdoor." Jamf Threat Labs uncovers a newly notarized macOS backdoor called ChillyHell, tied to past UNC4487 activity and disguised as a legitimate applet.

The malware showcases robust host profiling, multiple persistence mechanisms, timestomping, and flexible C2 communications over both DNS and HTTP. Its modular design includes reverse shells, payload delivery, self-updates, and a brute-force component targeting user credentials.

The research can be found here:

Learn more about your ad choices. Visit megaphone.fm/adchoices