private-sector keystroke logger...
pasward at big.uwaterloo.ca
pasward at big.uwaterloo.ca
Tue Nov 27 16:57:34 EST 2001
Jay D. Dyson writes:
> On 27 Nov 2001, Derek Atkins wrote:
>
> > Hrm, how about a worm with a built-in HTTP server that installs itself
> > on some non-standard port, say TCP/28462 (to pick one at random)?
>
> Craftier still, backdoor an existing service that behaves normally
> until it receives a few specially-crafted packets, then it opens a high
> port for direct login or data retrieval.
Neither of these will get past a firewall on an uncompromised machine.
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