[65654] in North American Network Operators' Group

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RE: new nasty email virus trick to bypass scanners

daemon@ATHENA.MIT.EDU (Henry Linneweh)
Thu Dec 4 12:52:51 2003

Date: Thu, 4 Dec 2003 09:52:10 -0800 (PST)
From: Henry Linneweh <hrlinneweh@sbcglobal.net>
To: Priyantha <priyantha@wightman.ca>,
	'Mike Tancsa' <mike@sentex.net>,
	'Jamie Reid' <Jamie.Reid@mbs.gov.on.ca>, nanog@nanog.org
In-Reply-To: <001f01c3ba7d$fd3bd120$8e15a8c0@norm>
Errors-To: owner-nanog-outgoing@merit.edu


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It takes a good combination of both ISP and end user to fight spam, I have a tool
in this editor for reading msg that allows me to tag a spammer and block the '
user@host that gets by the isp scan tool.
 
Common sense, in these times shows you to not open emails from strangers
especially with *.zip files unless they are coming from a known party based on
some kind of dialog prior to it being sent and received.
 
-Henry

Priyantha <priyantha@wightman.ca> wrote:

> At 09:53 PM 03/12/2003, Jamie Reid wrote:
> 
> The other thing that worries me is that those who rely on 
> their ISP to scan 
> for viruses, a false sense of security can come into play. 
> In the case of 
> these types of email viruses, the user might think the file 
> is OK because 
> it was scanned.

The AVScanner should indicate that the file couldn't scan because it is
password protected and hence opening the file may be risky.

Priyantha


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<DIV>
<DIV>It takes a good combination of both ISP and end user to fight spam, I have a tool</DIV>
<DIV>in this editor for reading msg that allows me to tag a spammer and block the '</DIV>
<DIV><A href="mailto:user@host">user@host</A> that gets by the isp scan tool.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Common sense, in these times shows you to not open emails from strangers</DIV>
<DIV>especially with *.zip files unless they are coming from a known party based on</DIV>
<DIV>some kind of dialog prior to it being sent and received.</DIV>
<DIV>&nbsp;</DIV>
<DIV>-Henry<BR><BR><B><I>Priyantha &lt;priyantha@wightman.ca&gt;</I></B> wrote:</DIV>
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"><BR>&gt; At 09:53 PM 03/12/2003, Jamie Reid wrote:<BR>&gt; <BR>&gt; The other thing that worries me is that those who rely on <BR>&gt; their ISP to scan <BR>&gt; for viruses, a false sense of security can come into play. <BR>&gt; In the case of <BR>&gt; these types of email viruses, the user might think the file <BR>&gt; is OK because <BR>&gt; it was scanned.<BR><BR>The AVScanner should indicate that the file couldn't scan because it is<BR>password protected and hence opening the file may be risky.<BR><BR>Priyantha<BR></BLOCKQUOTE></DIV>
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