Re: Javascript in UA

[James Lay <jlay () slave-tothe-box net>]

On 2013-04-22 13:43, Nick Randolph wrote:
> I would use fast_pattern:only;
>
> On Mon, Apr 22, 2013 at 3:21 PM, James Lay <jlay () slave-tothe-box net
> [7]> wrote:
>
> > Saw this a while ago..thought Id sig it up:
> >
> > alert tcp $EXTERNAL_NET any  -> $HTTP_SERVERS $HTTP_PORTS
> > (msg:"SERVER-WEBAPP JavaScript in User-Agent, possible XSS";
> > content:"User-Agent|3A| <script>"; http_header; fast_pattern;
>
> reference:url,http://blog.spiderlabs.com/2012/11/honeypot-alert-referer-field-xss-attacks.html
> > [1];
> > classtype:web-application-attack; sid:10000048; rev:1;)
> >
> > As always, any advice that would make my sigs suck less would help
> > :D
> > Thanks...and happy Monday (queue groans).
> >
> > James

Thanks Randolph!

James

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