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Walden H. Leverich wrote:
This is why you usually use salted hashes for passwords - to make this
attack much more difficult.
Yes, but since this API exists to move password between systems, the
salt can't be system specific, and thus, this kind of attack is
possible.
The QSYRUPWD should return all the stored passwords hashes (I believe
there are up to 3).
At least one of the hashes ("short passwords") is salted with user id.
This means you would have do your cracking specifically to the same user
name.
The lanman hash ("NetServer/Windows 98", if enabled) is not salted and
could be worked as you described. But it's far easier to do this on a
PC. Also lists of hashes have already been computed. Google for
rainbow tables.
I don't know anything about the 3rd hash ("long passwords")
Keith
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