<div dir="ltr">Hmmm Shirk are you sure you are using this set of rules. I see something in the old version (non-1.3) of the rules that would fail on the new engine. <div><br></div><div>Regards,</div><div><br></div><div>Will</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 30, 2014 at 10:11 PM, Shirkdog <span dir="ltr"><<a href="mailto:shirkdog@gmail.com" target="_blank">shirkdog@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS<br>
Possible Styx/Angler SilverLight Exploit";<br>
flow:established,from_server; file_data; content:"PK"; within:2;<br>
content:"ababbss.dll"; fast_pattern; content:"AppManifest.xaml";<br>
classtype:trojan-activity; sid:2017732; rev:6;)<br>
<br>
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN SolarBot<br>
Plugin Download Server Response"; flow:from_server,established;<br>
file_data; content:"SOLAR|2e|"; within:6; content:"MZP"; distance:0;<br>
classtype:trojan-activity; sid:2018036; rev:4;)<br>
<br>
<br>
The within option in these signatures needs two preceding content<br>
matches (per Suricata). Not sure where these patterns occur. If they<br>
are at the beginning of the HTTP payload, probably should be<br>
restricted to the HTTP body content.<br>
<br>
<br>
---<br>
Michael Shirk<br>
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</blockquote></div><br></div>