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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Hello,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>First thing’s first, thanks to everybody that
responded to my regex request. In case you’re still in need of a
spamassassin rule to find the “replace this with that” spams, here
you go:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>body
UBI_URL_OBFU01 /(remove|replace|substitute) ?(the)?
?(("|').("|')|space) ?(in|from|to make) (the)? ?(link|url|address)?
?(above|below|work)/i<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>describe
UBI_URL_OBFU01 6<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>score UBI_URL_OBFU01
URL obfuscation (01)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>I’ve found that it works quite nicely! Feel
free to name it whatever you like, of course. :)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Next up, I’m having a problem with another
regex which detects the illegal characters in the common spam of this type
lately. If I use it via egrep from the command line, it matches properly;
however, spamassassin does not appear to match it:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>$ egrep -i
"https?:\/\/([a-z0-9._\-]{1,30}(:[a-z0-9._\-]{1,30})?\@)?[a-z0-9.-]{1,30}[^a-z0-9.-\/:'\[][a-z0-9.-\@]{1,30}"<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>This will, for example, successfully match:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>http://www.domain .com<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>http://www.domain+com<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Etc…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>The same regex as a spamassassin rule:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>body
UBI_URL_OBFU02
/https?:\/\/([a-z0-9._\-]{1,30}(:[a-z0-9._\-]{1,30})?\@)?[a-z0-9.-]{1,30}[^a-z0-9.-\/:'\[][a-z0-9.-\@]{1,30}/i<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>score
UBI_URL_OBFU02 1.5<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'>describe
UBI_URL_OBFU02 URL obfuscation (02)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Unfortunately, this rule will not trigger on either
of the domains noted above.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Any ideas?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>--</span></font><span lang=EN-CA><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=EN-CA
style='font-size:10.0pt;font-family:"Courier New"'> _<br>
°v° Daniel Maher<br>
/(_)\ Administrateur Système Unix<br>
^ ^ Unix System Administrator</span></font><span lang=EN-CA><o:p></o:p></span></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><em><i><font size=1 face=Arial><span lang=EN-CA
style='font-size:7.5pt;font-family:Arial'>Four elements!</span></font></i></em><span
lang=EN-CA><o:p></o:p></span></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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