Date: Thu, 13 May 2004 22:39:07 +0200 (CEST) From: Cyrille Lefevre <clefevre-lists@9online.fr> To: z3l3zt@hackunite.net, freebsd security <freebsd-security@FreeBSD.org> Subject: Re: How do fix a good solution against spam.. Message-ID: <200405132039.i4DKd8Ms098147@mail.gits.dyndns.org>
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--ELM1084480747-8674-0_ Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII take a look here : http://www.merchantsoverseas.com/wwwroot/gorilla then let's try the attached script and patch which may not be up to date. PS : I don't use it since my machine is too slow and this makes mimedefang to give up (timeout) to often. Cyrille Lefevre -- mailto:cyrille.lefevre@laposte.net --ELM1084480747-8674-0_ Content-Transfer-Encoding: 8bit Content-Type: text/x-patch; charset=ISO-8859-15 Content-Disposition: attachment; filename=sa_rules.patch Content-Description: diff -u orig/sa_body.cf sa/sa_body.cf --- orig/sa_body.cf Thu Feb 19 14:56:29 2004 +++ sa/sa_body.cf Sat Jan 31 01:57:22 2004 @@ -4,21 +4,20 @@ # submitted by Yorkshire Dave. -> "Dear Fellow Opportunist" (my favorite ;-) +# "Dear Fellow Opportunist" (my favorite ;-) body L_OPPORT /\bfellow.opportunist/i describe L_OPPORT fellow opportunist -> "You need to act now or you will miss out on a great offer" +# "You need to act now or you will miss out on a great offer" body L_ACTMISS /\bact.now.{1,30}or.{5,20}miss\b/i describe L_ACTMISS act now or miss -body L_MISSOFFER -/\bmiss.{1,20}(great|fantastic|unbeatable).{1.20}offer/i +body L_MISSOFFER /\bmiss.{1,20}(great|fantastic|unbeatable).{1.20}offer/i describe L_MISSOFFER miss great offer -> "CASH FOREVER" +# "CASH FOREVER" body L_CASHFOREVER /\bcash.{1,3}forever\b/ describe L_CASHFOREVER cash forever @@ -419,8 +418,7 @@ # The following rules submitted by Kai MacTane. -body HIDDEN_VIAGRA -/v[\s{1,5}\-\.\*_]i[\s{1,5}\-\.\*_]a[\s{1,5}\-\.\*_]g[\s{1,5}\-\.\*_]r[\s{1,5}\-\.\*_]a/i +body HIDDEN_VIAGRA /v[\s{1,5}\-\.\*_]i[\s{1,5}\-\.\*_]a[\s{1,5}\-\.\*_]g[\s{1,5}\-\.\*_]r[\s{1,5}\-\.\*_]a/i describe HIDDEN_VIAGRA Uses obfuscated version of "Viagra" score HIDDEN_VIAGRA 2.00 @@ -1011,7 +1009,7 @@ describe CAREER_BACK_ON_TRACK (LOCAL RULE) Talks about getting a career back on track score CAREER_BACK_ON_TRACK 3 3 3 3 -raw 123X456 /123x456/i +rawbody 123X456 /123x456/i describe 123X456 (LOCAL RULE) 123X456 is a marker for the SoBig.E worm score 123X456 99 99 99 99 diff -u orig/sa_header_other.cf sa/sa_header_other.cf --- orig/sa_header_other.cf Thu Feb 19 14:56:29 2004 +++ sa/sa_header_other.cf Sat Jan 31 02:18:10 2004 @@ -9,8 +9,8 @@ header HINET Received =~ /bHINET-IP/i describe HINET Received line contains HINET-IP (common spam gate from pacrim) -header TO-EVERYONE To:addr =~ /every(?:one|body)/i -describe TO-EVERYONE To: everyone or everybody +header TO_EVERYONE To:addr =~ /every(?:one|body)/i +describe TO_EVERYONE To: everyone or everybody # The following rules submitted by Daniel Bird. @@ -97,27 +97,27 @@ score L_f_Refi 0.4 # Spamsign in misc headers -Header L_hR_NOREPLY Return-path =~ /<>/ +header L_hR_NOREPLY Return-path =~ /<>/ describe L_hR_NOREPLY Return path is set to empty (common for bounces) (RM) score L_hR_NOREPLY 1.1 -Header L_hr_clkheremail Received =~ /clkheremail\.com/ +header L_hr_clkheremail Received =~ /clkheremail\.com/ describe L_hr_clkheremail Spam passed through clkheremail.com relay (RM) score L_hr_clkheremail 3.1 -Header L_hr_HeloIP Received =~ /helo=[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/i +header L_hr_HeloIP Received =~ /helo=[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/i describe L_hr_HeloIP Received has helo=IP - may be valid DSL router w/nat - may be spam (RM) score L_hr_HeloIP 0.5 -Header L_hx_PSSBulk X-Mailer =~ /PSS\ Bulk\ Mailer/ +header L_hx_PSSBulk X-Mailer =~ /PSS\ Bulk\ Mailer/ describe L_hx_PSSBulk Uses PSS Bulk Mailer (RM) score L_hx_PSSBulk 1.1 -Header L_hx_XaM3API exists:X-XaM3-API-Version +header L_hx_XaM3API exists:X-XaM3-API-Version describe L_hx_XaM3API X-XaM3-API-Version header found, often spamsign (RM) score L_hx_XaM3API 1.1 -Header L_hx_JLH exists:X-JLH +header L_hx_JLH exists:X-JLH describe L_hx_JLH X-JLH header found, possible spamsign (RM) score L_hx_JLH 1.1 diff -u orig/sa_header_subject.cf sa/sa_header_subject.cf --- orig/sa_header_subject.cf Thu Feb 19 14:56:29 2004 +++ sa/sa_header_subject.cf Sat Jan 31 02:08:47 2004 @@ -27,59 +27,59 @@ # The following rules submitted by Robert Menschel. # Spamsign subjects -Header L_s_casino Subject =~ /c[a\@]sin[o0]/i +header L_s_casino Subject =~ /c[a\@]sin[o0]/i describe L_s_casino Subject mentions a casino (RM) score L_s_casino 1.1 -Header L_s_CopyDVD Subject =~ /c[o0]py\ dvd/i +header L_s_CopyDVD Subject =~ /c[o0]py\ dvd/i describe L_s_CopyDVD Subject mentions copying DVDs (RM) score L_s_CopyDVD 3.1 -Header L_s_Drugs Subject =~ /V[i1][A\@]GR[A\@]|ph[a\@]rm[a\@]c/i +header L_s_Drugs Subject =~ /V[i1][A\@]GR[A\@]|ph[a\@]rm[a\@]c/i describe L_s_Drugs Subject mentions known spam subject (RM) score L_s_Drugs 2.1 -Header L_s_GetPaid Subject =~ /Get\ P[a\@]id/i +header L_s_GetPaid Subject =~ /Get\ P[a\@]id/i describe L_s_GetPaid Subject mentions getting paid for something (RM) score L_s_GetPaid 1.1 -Header L_s_HelpInvest Subject =~ /help.{1,10}invest/i +header L_s_HelpInvest Subject =~ /help.{1,10}invest/i describe L_s_HelpInvest Subject mentions help in investing something (RM) score L_s_HelpInvest 1.1 -Header L_s_MaskedWords1 Subject =~ /Ga,ng|L0SE|W\@rning|si0n|t(?:\|0|\|o|i0)n/i +header L_s_MaskedWords1 Subject =~ /Ga,ng|L0SE|W\@rning|si0n|t(?:\|0|\|o|i0)n/i describe L_s_MaskedWords1 masked spam word(s) in subject (RM) score L_s_MaskedWords1 9.1 -Header L_s_MaskedWords2 Subject =~ /che\@p|F0r|d0main|Ple\@se|m0ve/i +header L_s_MaskedWords2 Subject =~ /che\@p|F0r|d0main|Ple\@se|m0ve/i describe L_s_MaskedWords2 masked spam word(s) in subject (RM) score L_s_MaskedWords2 9.1 -Header L_s_MaskedWords3 Subject =~ /p\@tients|ph0t0|b0y|g1rl|vide0/i +header L_s_MaskedWords3 Subject =~ /p\@tients|ph0t0|b0y|g1rl|vide0/i describe L_s_MaskedWords3 masked spam word(s) in subject (RM) score L_s_MaskedWords3 9.1 -Header L_s_MaskedWords4 Subject =~ /5emin|ch[à\@]rge|Êbãy|pen1s/i +header L_s_MaskedWords4 Subject =~ /5emin|ch[à\@]rge|Êbãy|pen1s/i describe L_s_MaskedWords4 masked spam word(s) in subject (RM) score L_s_MaskedWords4 7.1 -Header L_s_MaskedWordsC Subject =~ /reaI|excIusive/ +header L_s_MaskedWordsC Subject =~ /reaI|excIusive/ describe L_s_MaskedWordsC masked spam word(s) in subject - case sensitive (RM) score L_s_MaskedWordsC 9.1 -Header L_s_PleaseRead Subject =~ /please\ re[a\@]d/i +header L_s_PleaseRead Subject =~ /please\ re[a\@]d/i describe L_s_PleaseRead Subject includes request to please read the message (RM) score L_s_PleaseRead 0.6 -Header L_s_profile Subject =~ /I\ saw\ your\ profile/i +header L_s_profile Subject =~ /I\ saw\ your\ profile/i describe L_s_profile Subject mentions your profile (RM) score L_s_profile 1.1 -Header L_s_porn Subject =~ /p[o0]rn|fuck|violenced|jerk\ off/i +header L_s_porn Subject =~ /p[o0]rn|fuck|violenced|jerk\ off/i describe L_s_porn Subject seems to be about porn (RM) score L_s_porn 2.1 -Header L_s_Tax Subject =~ /T[a\@]x/i +header L_s_Tax Subject =~ /T[a\@]x/i describe L_s_Tax Subject mentions taxes (RM) score L_s_Tax 1.1 diff -u orig/sa_meta.cf sa/sa_meta.cf --- orig/sa_meta.cf Thu Feb 19 14:56:29 2004 +++ sa/sa_meta.cf Sat Jan 31 03:00:13 2004 @@ -9,9 +9,11 @@ #Check for a beginning HTML tag <HTML> rawbody __MK_HTML_TAG_START /\<html/i +describe <html #Check for a closing HTML tag </html> rawbody __MK_HTML_TAG_END /\<\/html\>/i +describe </html> #Check to see if the HTML message is made correctly. Seeing a lot of SPAM that isn't meta MK_BAD_HTML_4 HTML_MESSAGE && !__MK_HTML_TAG_START && !__MK_HTML_TAG_END @@ -102,8 +104,7 @@ header __THEBAT_UA User-Agent =~ /The Bat/ meta L_FORGED_MUA_THEBAT ( __THEBAT_UA && !__THEBAT_MSGID ) -describe L_FORGED_MUA_THEBAT Forged message pretending to be from the -bat! +describe L_FORGED_MUA_THEBAT Forged message pretending to be from the bat! #spewing virus reports to forged sender addresses is spamming, talking # about them on mailing lists isn't. @@ -111,7 +112,8 @@ body __VIRUS_WARNING_FWD /(attachment|email|file|message|scanner).{0,50}(contain(s|ed)|infect(ion|ed)|report(s|ed)|detected).{0,50}virus/is body __VIRUS_WARNING_REV /virus.{0,50}(found|infect(ion|ed)|reported|detected).{0,50}(attachment|email|file|message)/is body __FORGING_VIRUS /(braid.a|bugbear|klez|sobig|winevar|yaha.e)/i -meta L_BROKEN_ANTIVIRUS ((__VIRUS_WARNING_FWD || __VIRUS_WARNING_REV) && __FORGING_VIRUS && ! (REFERENCES || IN_REP_TO)) describe L_BROKEN_ANTIVIRUS UBE from dysfunctional virus scanner +meta L_BROKEN_ANTIVIRUS ((__VIRUS_WARNING_FWD || __VIRUS_WARNING_REV) && __FORGING_VIRUS && ! (REFERENCES || IN_REP_TO)) +describe L_BROKEN_ANTIVIRUS UBE from dysfunctional virus scanner # The following rules were submitted by Sandy S. (The last S is for Secret!) diff -u orig/sa_oct03_rules.cf sa/sa_oct03_rules.cf --- orig/sa_oct03_rules.cf Thu Feb 19 14:56:29 2004 +++ sa/sa_oct03_rules.cf Sat Jan 31 02:57:16 2004 @@ -223,7 +223,7 @@ rawbody MY_ONECHAR_SCRIPT /\/..?\.(pl|plx|cgi|asp)/ describe MY_ONECHAR_SCRIPT 1 or 2 letter script name found. -score MY_ONE_CHAR_SCRIPT .33 +score MY_ONECHAR_SCRIPT .33 rawbody MY_THISIS /this is spam/i describe MY_THISIS They said this is spam themselves! diff -u orig/sa_uri.cf sa/sa_uri.cf --- orig/sa_uri.cf Thu Feb 19 14:56:29 2004 +++ sa/sa_uri.cf Sat Jan 31 02:10:42 2004 @@ -358,8 +358,7 @@ uri MY_BLUETABS /fastbluetabs\.com/i score MY_BLUETABS 5.000 -describe MY_BLUETABS Message contains a link or email address to -fastbluetabs.com +describe MY_BLUETABS Message contains a link or email address to fastbluetabs.com uri MY_CERTREWARDS /certrewards\.com/i score MY_CERTREWARDS 5.000 --ELM1084480747-8674-0_--
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