RE: CodeRed Observations.

From: Rob McCauley (robmccau@RadOnc.Duke.EDU)
Date: 03/13/03

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    Date: Thu, 13 Mar 2003 13:35:57 -0500 (EST)
    From: Rob McCauley <robmccau@RadOnc.Duke.EDU>
    To: Rob Shein <shoten@starpower.net>
    
    

    On Thu, 13 Mar 2003, Rob Shein wrote:

    > I'd be careful and make sure, if I were you. I don't think that the worm is
    > stateless, as it wouldn't be able to spread if it just sent data over TCP
    > without establishing the handshake first. When you just PSH without
    > handshaking first, your data gets rejected.

    A claim has been made that IE, IIS, and at least some flavors of Windows
    don't work like that. http://grotto11.com/blog/?+1039831658. I don't
    have time to verify the claim, but if it's true a worm spreading without
    the expected TCP handshake might well be possible.

    Rob

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    Rob McCauley
    Radiation Oncology
    Duke University Medical Center
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  • Next message: Harlan Carvey: "Re: [unisog] Re: Port 109 Mystery"