[dundee] EthHack: GCHQ challenges codebreakers via social networks

[Robert Ladyman]

The 00 01 00 00 and the nops give it away quite quickly, don't they.


> Got as far as the raw binary for a 16 bit DOS executable. Running it
> produces no output, the ASM seems to null registers using an XOR and then
> do some comparisons against various states. There's also some iteration
> against the stack pointer, which seems to move the stack frame by 65036
> every iteration. Strange, but I'm getting somewhere.
> 
> On Dec 1, 2011 11:23 AM, "Robert Ladyman" <it at file-away.co.uk> wrote:
> > > http://www.bbc.co.uk/news/technology-15968878
> >
> > ...and if anyone needs a clue, they can ask me.
> >
> >

-- 
Robert Ladyman
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