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Robert Watkins (bob@it.ntu.edu.au)
There are myriad advantages to this. The first and foremost is that it doesn't set off any alarms (assuming you do it right). However, it does have problems, of course. Otherwise people will still be doing it.
So how do you do this wonderful thing??
>>>>>[Natch, doing it to only one node only
works for that node. Also, until the CPU is fooled,
the check must be made every time you enter the
node.]<<<<<
-- Spunk
This deception will last until you leave the
system.
Now, this would be fine if the computer was all there was. However, corps being suspicious folks, often get people to look over things. So, you've got to make your activity look normal. [ This is a Computer Theory test, TN the sysop's Comp. Theory. It's resisted by the sysop's Comp. Theory, to which is added the rating of the CPU, plus it's level. TN is your Comp. Theory.] If it's not normal-looking, the sysop will do things like come and have a look, all the way up to logging you out. This doesn't kick you out, but it will stop the computer thinking you belong, and probably set off an Active alert.
It's not easy. But if you can pull it off, you've got an in on the system. My all time favorite use for this is making other sysop accounts.
Okay, this is a quick sketch of how you can do things like make a system think you REALLY belong. One other side effect of making the Deception test: You can ignore node threshold (after all, if you belong, it won't resist you).