We planned to open source checkra1n in 2020, but unfortunately we're not quite ready for a full release yet.
HOWEVER: We just open sourced the entirety of PongoOS, including our kernel patchfinder and SEP exploit! All available at: github.com/checkra1n/pong…
@sanitybit It was included as an update as part of Big Sur’s install. Now the IPSW to restore the T2 in configurator is available. This also likely means Apple will stop signing bridgeOS 4.X any moment
@FastXela It’s always possible to put in DFU, it’s done entirely in ROM and isn’t affected by software version. Sometimes a malicious computer can kick it out of DFU right away, try another workstation
@luigivsf It’s because Big Sur is trying to do a full macOS system restore instead of the T2 restore. I bet we find out details about IPSW based macOS install on T2/x64 next week
@ClassicII_MrMac@MartinNobel_ That’s basically standard procedure for any iOS derivative - once a new version is released they stop signing (TSS) for any prior
@FeelitWorking@torproject Try having something malicious in the thunderbolt controller itself (yes it has firmware?!), which connects directly to the Intel PCH UART
Anyone who tells you they can do checkra1n without a computer either has learned another exploit (which would be newsworthy on its own), or is trying to get you to install malware
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