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Re: 17494 Falsing on non IE6 systems
From: "Weir, Jason" <jason.weir () nhrs org>
Date: Wed, 27 Oct 2010 11:17:52 -0400

I agree with James - I had to put a "Re-Enable after 12/1/10" note in
the oink config file.. 

What a PITA..


-----Original Message-----
From: Lay, James [mailto:james.lay () wincofoods com] 
Sent: Wednesday, October 27, 2010 10:16 AM
To: snort-sigs () lists sourceforge net
Subject: Re: [Snort-sigs] 17494 Falsing on non IE6 systems

Ya count me in here...rev 1 is firing on just about 
everything....YAY for us Registered users :)  While I 
understand the whole pay for rules thing, holding out on 
releasing a fixed rule for 30 days, such as this one, is 
kinda crappy.  Not releasing improved/new rules yes, but ones 
that are broken like this...ya not so much.  Yet another rule 


-----Original Message-----
From: Weir, Jason [mailto:jason.weir () nhrs org] 
Sent: Wednesday, October 27, 2010 7:08 AM
To: snort-sigs () lists sourceforge net
Subject: Re: [Snort-sigs] 17494 Falsing on non IE6 systems

Thanks Joel,

Any chance the revision # could be included on the SID page


That way I could check before posting to the list..


-----Original Message-----
From: Joel Esler [mailto:jesler () sourcefire com]
Sent: Wednesday, October 27, 2010 9:02 AM
To: L0rd Ch0de1m0rt
Cc: Weir, Jason; snort-sigs () lists sourceforge net
Subject: Re: [Snort-sigs] 17494 Falsing on non IE6 systems

Current revision on this rule is rev:3.  It looks nothing like the

Thanks for the feedback Jason.


On Oct 27, 2010, at 8:51 AM, L0rd Ch0de1m0rt wrote:

Yea, this is a terribly written rule, especially with Web 2.0
technologies and advertising companies preferring to create
URIs.  It's not browser specific ... all modern browsers support
URIs>206 bytes and the RFC doesn't specify a limit....

Are you running the latest version of this rule?  I could
be thinking
of a different rule but I thought that when this one came out it
everyone started complaining about it and they disabled it.  I 
recommend all who are running it to disable it.

-L0rd C.

On Wed, Oct 27, 2010 at 7:37 AM, Weir, Jason <jason.weir () nhrs org>
Tons of false positives on machines running IE7 & 8...

Maybe do a content match on the IE6 user agent - something like
content:"compatible; MSIE 6."

Microsoft Internet Explorer Long URL Buffer Overflow attempt";
flow:established,to_server; urilen:>260; content:"GET";
content:"HTTP|2F|1|2E|1|0D 0A|"; metadata:service http;
reference:bugtraq,19667; reference:cve,2006-3869; 
classtype:attempted-user; sid:17494; rev:1;)



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