Re: Problem with NT Authentication

From: Henrik Nordstrom <hno@dont-contact.us>
Date: Wed, 22 Dec 1999 14:25:28 +0100

Brooks Martin wrote:

> As a sidepoint, if IE is configured (in)correctly, it will cheerfully send
> your user/domain name and password hash to any server that requests it. IIS
> uses this feature to 'auto-authenticate' clients. Nice hey?

The password hash is DES3 scrambled, but can be used in a simoultaneous
attack on one of your NTLM enabled servers (including file servers).

The username/domain/stationname is sent in plain text, available to all.

--
Henrik Nordstrom
Squid hacker
Received on Wed Dec 22 1999 - 06:42:40 MST

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