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Re: Network Configuration Question?
From: "Pablo Gietz" <pablo.gietz () nuevobersa com ar>
Date: Tue, 5 Nov 2002 16:32:45 -0300

Read This, may be related.


Also I want to ear the experts opinion about this or similar soft. This
work? this represent a risk?


Pablo A. C. Gietz
Jefe de Seguridad Informática
Nuevo Banco de Entre Ríos S.A.
Te.: 0343 - 4201351
----- Original Message -----
From: "Ian Lyte" <ilyte () alias666 freeserve co uk>
To: <security-basics () securityfocus com>
Sent: Monday, November 04, 2002 1:58 PM
Subject: Network Configuration Question?

Hi All,

    On a corporate machine, I was having trouble removing the TinyBar
scrote-ware that had installed itself surreptitiously onto my machine. As
part of the process of tracking down how it was running, I downloaded a
small packet sniffer and ran it so I could attempt to trace the outgoing
target address of the pop-up window.

    We are on a 100mbs switched network (I believe switched but ..).

    Now imagine my surprise when I could pick up traffic from around 6
machines, including HTTP, POP, SMTP and all the associated passwords.

    Some of the machines were geographically close to me in the office but
not all. How could this happen on a switched network - has one of the
switches fallen over into broadcast mode or something? If so how do I go
about determining (remotely) why/how it has fallen over, who else is on
segment, and what other avenues do I have to explore?

    Thanks in advance


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