Re: DNS queries on HTML mail in Outlook
- From: "William Lefkovics" <william@xxxxxxxxxxxxxxxxx>
- To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
- Date: Mon, 2 May 2005 11:49:54 -0700
Not really. Not anymore anyway.
-----Original Message-----
From: Danny [mailto:nocmonkey@xxxxxxxxx]
Sent: Monday, May 02, 2005 11:45 AM
To: [ExchangeList]
Subject: [exchangelist] Re: DNS queries on HTML mail in Outlook
http://www.MSExchange.org/
On 5/2/05, Thomas W Shinder <tshinder@xxxxxxxxxxx> wrote:
> http://www.MSExchange.org/
>
> Hey folks,
>
> Here's an interesting finding on an Outlook 2003 client. I found that
> when an HTML message comes in that has A HREF references to it,
> Outlook does a DNS query for the domains included in the message. I
> have pack captures showing this. Anyone ever head of such a thing?
Interesting. Any other interesting traffic?
I wouldn't know because I only read email in plain text format with
Microsoft products. This is a significant malware mitigation technique.
...D
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