FW: [Snort-sigs] php overflow signatures

From: John Adair (J.Adairat_private)
Date: Tue Feb 26 2002 - 16:17:29 PST

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    This applies to the "who" "what" "where" "when" thread that has been
    discussed this week.
    
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    -----Original Message-----
    From: snort-sigs-adminat_private
    [mailto:snort-sigs-adminat_private]On Behalf Of Brian
    Sent: Tuesday, February 26, 2002 7:02 PM
    To: snort-sigsat_private
    Subject: [Snort-sigs] php overflow signatures
    
    
    Below are the initial signatures for the PHP overflow that is about to
    get a bunch of publication.  Have fun and whatnot.
    
    Sourceforge's CVS server is broken, so these are not yet in CVS.
    
    alert tcp $EXTERNAL_NET any -> $HOME_NET 80 (msg:"EXPERIMENTAL php
    content-disposition memchr overlfow"; flags:A+;
    content:"Content-Disposition\:"; content:"name=\"|CC CC CC CC CC|";
    classtype:web-application-attack; sid:1423; rev:1;)
    
    alert ip $EXTERNAL_NET any -> $HOME_NET any (msg:"EXPERIMENTAL SHELLCODE x86
    EB OC NOOP"; content:"|EB 0C EB 0C EB 0C EB 0C EB 0C EB 0C EB 0C EB 0C|";
    classtype:shellcode-detect; sid:1424; rev:1;)
    
    alert tcp $EXTERNAL_NET any -> $HOME_NET 80 (msg:"EXPERIMENTAL php
    content-disposition"; flags:A+; content:"Content-Disposition\:";
    content:"form-data\;"; classtype:web-application-attack; sid:1425; rev:1;)
    
    --
    Brian Caswell
    Snort Signature Guy
    
    
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