Kevin's point was that the MAC addresses of packets get changed every time
they go through a router/firewall/proxy. Unless you're on the local net of
the computer you're talking to, there is no way they will know what your MAC
address is.

----- Original Message -----
From: "Nelson Brito" <nelsonSECUNET.COM.BR>
To: <PEN-TESTSECURITYFOCUS.COM>
Sent: Saturday, February 12, 2000 11:46 AM
Subject: Re: [PEN-TEST] Changing MAC address on Win2k

> kevin Timm wrote:
> >
> > would it really give you better anonymity if there is any sort of router
> > in between the networks?
>
> I don't know, and never test it, but in Windows NT you can do this with
> Nathan D. Faber's "Either.exe" app:
> http://packetstorm.securify.com/9901-exploits/either.exe
>
> It's a good idea read Kingpin's(L0pht) text about MAC Addres Cloning:
> http://packetstorm.securify.com/docs/infosec/mac_address_cloning.pdf
>
> Sem mais,
> --
> Nelson Brito
> "Windows NT can also be protected from nmap OS detection scans thanks
> to *Nelson Brito* ..."
> Trecho do livro "Hack Proofing your Network", página 93

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