FWIW, most of the "OMG hax over USB" panic is overblown. It's a debug tool, you have to explicitly enable it (unless mobo maker fucked up).
FUD aside, I'm taking a look at the Intel DCI protocol (JTAG over USB3). Doesn't look very complicated. OpenOCD for Skylake anyone?pic.twitter.com/eXE5n4I00R
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Got any references for that? I had to hack EFI variables to enable it on mine.
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Honestly I was left somewhat confused by the 33c3 talk. There was a bit of a language barrier :/
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my understanding is that the cpu has it enabled by default and mobo fw has to disable it.Not every vendor cares :-/
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see my post on the openocd ml. Was watching the talk yesterday...
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can you link to it so people don't have to grope around for it in the dark (or use the cancer that is sourceforge)
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I'm worried about scenario of "plug usb kit, hard reboot, implant". Once the OS is running, it's usually quite harder
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There's more than one TAP accessible via DCI. Wouldn't be surprised if you could still take over w/o x86 JTAG.
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Let's not and say we did :D?
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What CPU works for you? With 6700k (SDFC=C0000001) and z170 I got the DCI host but it's very buggy. DCI does not answer properly?!
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