full-disclosure - SoBig.F strange problem

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Message-ID: <005401c3673e$c2e4be70$186310ac@beast24>
From: mike at blakogre.com (Mike Vasquez)
Subject: SoBig.F strange problem

I've seen a handful with no attachment and checked my logs -- none was
stripped on my end...


----- Original Message ----- 
From: "Steve Bremer" <steveb@...coinc.com>
To: <full-disclosure@...ts.netsys.com>

> We've noticed a few problems with it as well.  We've received a few e-
> mails with one of the typical Sobig subject lines, only no
> attachment.  The attachment headers are in the e-mail, so our MUA
> thinks there is an attachment, but there is just no "body" to the
> attachment.
>
> Either there are a few broken variants out there sending out e-mail
> without the payload, or something in-between us and the sender is
> stripping out the attachment.  It isn't our AV system, since it would
> quarantine the entire message.
>
> Has anyone else experienced this?
>
> Steve Bremer