<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.hoenzb
{mso-style-name:hoenzb;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Hi Martin,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>This is quite interesting to me. I’ve previously added PUA support but it’s always been too aggressive. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Are the below all the rules that PUA uses, or are these recommended ones to include? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Rich<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> mailscanner-bounces@lists.mailscanner.info [mailto:mailscanner-bounces@lists.mailscanner.info] <b>On Behalf Of </b>Martin Hepworth<br><b>Sent:</b> 22 October 2013 15:31<br><b>To:</b> MailScanner discussion<br><b>Subject:</b> Re: Using DetectPUA yes in clamd.conf<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>had the same question to the clamav list about a month ago, and also about what the heck the different settings you can use are.<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>basically safe to use, but the documentation is sorely lacking as to what PUA types you might want to scan for.....eg dailies show..<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>PUA.Crypt.ScriptCryptor<br>PUA.CVE_2007_0214<br>PUA.CVE_2007_0325<br>PUA.CVE_2007_1498<br>PUA.CVE_2011_3397<br>PUA.CVE_2012_1419<br>PUA.CVE_2012_1421<br>PUA.CVE_2012_1423<br>PUA.CVE_2012_1430<br>PUA.CVE_2012_1431<br>PUA.EmbeddedJSinOCXinWordDoc<br>PUA.Everyzone<br>PUA.Exploit.HeapSpray<br>PUA.EXPLOIT_CVE_2006_4701<br>PUA.Game<br>PUA.HTML<br>PUA.IRC<br>PUA.JS<br>PUA.Keylogger-1<br>PUA.Keylogger-2<br>PUA.Keylogger-3<br>PUA.Keylogger-4<br>PUA.Liveplayer<br>PUA.Liveplayer-1<br>PUA.Liveplayer-2<br>PUA.Mydoomer<br>PUA.NetTool<br>PUA.OLE.EmbeddedPDF<br>PUA.Packed<br>PUA.PDF<br>PUA.PwTool<br>PUA.RAT<br>PUA.Reboot<br>PUA.RelevantKnowledge<br>PUA.RelevantKnowledge-1<br>PUA.RFT.EmbeddedOLE<br>PUA.Script<br>PUA.Server.PsyBNC<br>PUA.Spy<br>PUA.Tool<br>PUA.Trojan.PHP<br>PUA.USBCillin<br>PUA.VmAvoid<br>PUA.Win32.Packer.22bAn<o:p></o:p></p></div><p class=MsoNormal>some are obviusly named but 'reboot'?????<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><p class=MsoNormal>-- <br>Martin Hepworth, CISSP<br>Oxford, UK<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On 22 October 2013 14:06, <<a href="mailto:housey@sme-ecom.co.uk" target="_blank">housey@sme-ecom.co.uk</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><p class=MsoNormal>Hi<br><br>I use MailScanner with clamd<br><br>Ive had a few instances recently (2 today) where some emails with<br>infected msword attachments got through to some end users.<br><br>Sophos running on the users desktops detected Exp/20120158-A in the<br>attachments.<br><br>I got hold of the attachments and ran through clamdscan which didn't<br>detect any viruses<br><br>[root@servera ~]# clamdscan -v /tmp/invoiceBQW8OYJDDGXIPN8H63.doc<br>/tmp/invoiceBQW8OYJDDGXIPN8H63.doc: OK<br><br>I then enabled "DetectPUA yes" in clamd.conf and now it detects a<br>possible virus<br><br>[root@servera ~]# clamdscan -v /tmp/invoiceBQW8OYJDDGXIPN8H63.doc<br>/tmp/invoiceBQW8OYJDDGXIPN8H63.doc: PUA.RFT.EmbeddedOLE FOUND<br><br>I found this on the clamav web site - its quite an old article and does<br>say not to use in production environments.<br><br><a href="http://www.clamav.net/lang/en/2007/09/03/detection-of-potentially-unwanted-applications/" target="_blank">http://www.clamav.net/lang/en/2007/09/03/detection-of-potentially-unwanted-applications/</a><br><br>Im thinking about enabled DetectPUA in clamd.conf but adding PUA* to<br>the directive "Virus Names Which Are Spam" in<br>/etc/MailScanner/MailScanner.conf - so its treated as spam rather than<br>a virus (so its quarantined as I delete viruses).<br><br>Has anyone any experience of using DetectPUA?<br><br>Thanks<br><br>Paul<br><span style='color:#888888'><br><br><br><br><br><span class=hoenzb>--</span><br><span class=hoenzb>MailScanner mailing list</span><br><span class=hoenzb><a href="mailto:mailscanner@lists.mailscanner.info">mailscanner@lists.mailscanner.info</a></span><br><span class=hoenzb><a href="http://lists.mailscanner.info/mailman/listinfo/mailscanner" target="_blank">http://lists.mailscanner.info/mailman/listinfo/mailscanner</a></span><br><br><span class=hoenzb>Before posting, read <a href="http://wiki.mailscanner.info/posting" target="_blank">http://wiki.mailscanner.info/posting</a></span><br><br><span class=hoenzb>Support MailScanner development - buy the book off the website!</span></span><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>