#asahi-re on 2023-12-27 — irc logs at oftc.irclog.whitequark.org

2022-12-21 00:46 ChanServ changed the topic of #asahi-re to: Asahi Linux: porting Linux to Apple Silicon macs | Hardware / boot process / firmware interface reverse engineering | WARNING: this channel (only) may contain binary reverse engineering discussion | RE policy: https://alx.sh/re (MANDATORY READ) | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Logs: https://alx.sh/l/asahi-re

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19:30 <millenialhacker> In 37C3, Kapersky researchers had a talk about a malware affecting iPhones that uses undocumented GPU CoreSight registers. Have we ever explored may be looking into those undocumented registers as part of RE exercise? \

19:31 <millenialhacker> I wonder if other co-processors may have kind of those registers too

19:31 <millenialhacker> bazad@ documented some CPU CoreSight registers also available a year ago.

19:34 <nicolas17> millenialhacker: wasn't m1racles basically "uncovering an undocumented register"?

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20:14 <millenialhacker> yup, the novelty here I think is finding MMIO mapped registers to co-processors.

20:14 <millenialhacker> *is finding hidden MMIO mapped registers to co-processors"

20:15 <sven> like the second half of the Mailbox regs for each co processor? :p

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22:08 <ArcaneNibble> millenialhacker: yeah i was wondering too if other coprocessors have coresight registers

22:08 <ArcaneNibble> you at 37c3?

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