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Date: 31 Oct 2003 23:06:03 -0000
From: K-OTiK Security <>
Subject: Re: Mimail.C (Denial of Service Attack)

In-Reply-To: <>

it seems that this worm attempts to launch a Denial of Service Attack by sending a large amount of data to known servers (port 80 / ICMP). The worm verifies that a connection is active by contacting, then the DoS is launched against "darkprofits" domains (marketing operation ?)

Due to an increased rate of submissions Symantec Security Response has upgraded W32.Mimail.C@mm to a Category 3 threat from a Category 2 threat.

K-OTik Staff ///

>From: Alan <>
>Subject: Mimail.C
>The irritation has begun  :/
>A new version of Mimail.C has cropped up.  It spoofs the recipients domain and sends the mail as 'james@<spoofed domain>' and has an attachment: pictures.jpg.exe
>Some clients have reported massive amounts of lag due to its mass mailing and one client's firewall dropped as a result, although this might not be related.
>More info can be found on:
>Antigen pics the attachment up as I-Worm.WatchNet
>Keep an eye out and inform your users

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