Re: Quick and dirty

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

On 2013-01-30 12:46, Joel Esler wrote:
> Thanks James.
>
> Do you have a pcap for this?
>
> On Jan 30, 2013, at 11:20 AM, James Lay <jlay () slave-tothe-box net> 
> wrote:
>
> > Matches latest malicious email campaign.  Clever person could mod 
> > this
> > to detect outbound http, but I like to see it earlier than that:
> >
> > alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"SPECIFIC-THREATS
> > Blackhole exploit kit possible email track.php?fdic";
> > flow:to_server,established; content:"href="; content:"http|3a 2f 
> > 2f|";
> > content:"track.php?fdic"; within:50; metadata:policy balanced-ips 
> > drop,
> > policy security-ips drop, service smtp; classtype:trojan-activity;
> > sid:10000039; rev:5;)


Sent offlist..thanks Joel!

James


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