Unpacking DCTXXX(X) firmware?

JTAG (NT) on Cable Boxes
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theman01
Junior Member
Posts: 8
Joined: Tue Apr 15, 2014 8:30 am

Unpacking DCTXXX(X) firmware?

Post by theman01 »

Wondering what tools/methods you guys have successfully used to unpack firmware from DCT devices? I say all devices because I would like to look at whatever devices I can.

On a side note, and I hope it doesn't throw off my original question but has anyone been able to successfully read an XC and create an assembler dump from it? I have looked around the forum, though I haven't found any raw assembler dumps from those who have claimed to of read it. I would be interested if anyone who has done it, could provide one.
merkin
Junior Member
Posts: 246
Joined: Thu Jun 28, 2007 8:49 pm

Post by merkin »

aint no true testers around here anymore..99.9% dont even know what you are asking.

i unpacked ocap firmware a while ago using binwalk and dd. just the jff filesystem though, not the boot.

unfortunately usbbdm is not interested anymore either. i seem to recall he could not decompress firmware from HD boxes..he could not figure out the algo.
merkin
Junior Member
Posts: 246
Joined: Thu Jun 28, 2007 8:49 pm

Post by merkin »

btw jtag pins on xc have also been posted..i think they are just for boundary scan. i still havent tested this yet. c-band is where i waste my time these days.

i figured out jtag boundary scan on dct-6412p1 models, but usbbdm could do nothing with it. this tool is really only good for mips ejtag.
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