Re: SSL worm sigs

[Shane Williams <shanew () shanew net>]

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On Sun, 15 Sep 2002, Brian Caswell wrote:

> alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"EXPERIMENTAL WEB-MISC bad HTTP/1.1 request, potentual 
> worm attack"; flow:to_server,established; content:"GET / HTTP/1.1|0a 0d 0a 0d|";  offset:0; depth:18; 
> reference:url,securityresponse.symantec.com/avcenter/security/Content/2002.09.13.html; 
> classtype:web-application-activity; sid:1881; rev:1;)

Wow, you were near right on with that.

Just change the content:"GET / HTTP/1.1|0a 0d 0a 0d|";
to
content:"GET / HTTP/1.1|0d 0a 0d 0a|";

I've checked this and it works.

- -- 
Public key #7BBC68D9 at            |                 Shane Williams
http://pgp.mit.edu/                | Systems Administrator UT-GSLIS
=----------------------------------+-------------------------------
All syllogisms contain three lines |        shanew () gslis utexas edu
Therefore this is not a syllogism  |   www.gslis.utexas.edu/~shanew

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