If you think it's that critical, (i think it's that critical) start by blocking any connections from anywhere to that machine/port. See if anyone complains. Check any old firewall logs for that port while you're at it.  Then continue your investigation!! 
<br><br>Fabrizio<br><br><div><span class="gmail_quote">On 9/28/07, <b class="gmail_sendername">Simon Smith</b> &lt;<a href="mailto:simon@snosoft.com">simon@snosoft.com</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
-----BEGIN PGP SIGNED MESSAGE-----<br>Hash: SHA1<br><br>Got output... and it was... no idea what it was... can&#39;t paste it due to<br>confidentiality though.<br><br>Fabrizio wrote:<br>&gt; .NET Remoting is &quot;a generic system for different applications to use to
<br>&gt; communicate with one another.&quot; It&#39;s part of the .NET framework,<br>&gt; obviously. (not trying to be a smart ass)<br>&gt;<br>&gt; I&#39;m gonna take a wild guess and say it&#39;s not a good thing......<br>
&gt;<br>&gt; Connect to it, and see if you get any output, if you haven&#39;t already<br>&gt; done so.<br>&gt;<br>&gt; Fabrizio<br>&gt;<br>&gt;<br>&gt;<br>&gt; On 9/28/07, * Simon Smith* &lt;<a href="mailto:simon@snosoft.com">
simon@snosoft.com</a><br>&gt; &lt;mailto:<a href="mailto:simon@snosoft.com">simon@snosoft.com</a>&gt;&gt; wrote:<br>&gt;<br>&gt;<br>&gt; Has anyone ever heard of .NET REMOTING running on port 31337? If so,<br>&gt; have you ever seen it &quot;legitimate&quot;?
<br>&gt;<br>&gt;<br><br>_______________________________________________<br>Full-Disclosure - We believe in it.<br>Charter: <a href="http://lists.grok.org.uk/full-disclosure-charter.html">http://lists.grok.org.uk/full-disclosure-charter.html
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</a><br><br><br><br>&gt; ------------------------------------------------------------------------<br><br>&gt; _______________________________________________<br>&gt; Full-Disclosure - We believe in it.<br>&gt; Charter: <a href="http://lists.grok.org.uk/full-disclosure-charter.html">
http://lists.grok.org.uk/full-disclosure-charter.html</a><br>&gt; Hosted and sponsored by Secunia - <a href="http://secunia.com/">http://secunia.com/</a><br><br><br>- --<br><br>- - simon<br><br>- ----------------------<br>
<a href="http://www.snosoft.com">http://www.snosoft.com</a><br><br>-----BEGIN PGP SIGNATURE-----<br>Version: GnuPG v1.4.5 (Darwin)<br><br>iD8DBQFG/UY+f3Elv1PhzXgRAs/BAJ42Vwk5+cvWfoYo4wUl74LDnUtz7wCgzW9s<br>O/+SDoZYgZ1r1oDjKpKzZIo=
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