Editing: /etc/mail/spamassassin/nonKAMrules.cf
#FROM SA/MD/SARE LISTS - All consider public domain or fair use. #BY Warren Sallade" <warren.sallade@ewgateway.org> for Drug Spams #DISABLING DUE TO FALSE POSITIVES 2021-09-14 rawbody __EWG_BAD34 />\s{0,3}V\s{0,3}</i rawbody __EWG_BAD35 />\s{0,3}I\s{0,3}</i rawbody __EWG_BAD36 />\s{0,3}A\s{0,3}</i rawbody __EWG_BAD37 />\s{0,3}G\s{0,3}</i rawbody __EWG_BAD38 />\s{0,3}R\s{0,3}</i rawbody __EWG_BAD39 />\s{0,3}A\s{0,3}</i meta EWG_VIAGRA ((__EWG_BAD34 + __EWG_BAD35 + __EWG_BAD36 + __EWG_BAD37 + __EWG_BAD38 + __EWG_BAD39) > 5) describe EWG_VIAGRA Viagra Obfuscation SPAM score EWG_VIAGRA 1.0 rawbody __EWG_BAD41 />\s{0,3}C\s{0,3}</i rawbody __EWG_BAD42 />\s{0,3}I\s{0,3}</i rawbody __EWG_BAD43 />\s{0,3}A\s{0,3}</i rawbody __EWG_BAD44 />\s{0,3}L\s{0,3}</i rawbody __EWG_BAD45 />\s{0,3}I\s{0,3}</i rawbody __EWG_BAD46 />\s{0,3}S\s{0,3}</i meta EWG_CIALIS ((__EWG_BAD41 + __EWG_BAD42 + __EWG_BAD43 + __EWG_BAD44 + __EWG_BAD45 + __EWG_BAD46) > 5) describe EWG_CIALIS Cialis Obfuscation spam score EWG_CIALIS 1.0 rawbody __EWG_BAD48 />\s{0,3}V\s{0,3}</i rawbody __EWG_BAD49 />\s{0,3}A\s{0,3}</i rawbody __EWG_BAD50 />\s{0,3}L\s{0,3}</i rawbody __EWG_BAD51 />\s{0,3}I\s{0,3}</i rawbody __EWG_BAD52 />\s{0,3}U\s{0,3}</i rawbody __EWG_BAD53 />\s{0,3}M\s{0,3}</i meta EWG_VALIUM ((__EWG_BAD48 + __EWG_BAD49 + __EWG_BAD50 + __EWG_BAD51 + __EWG_BAD52 + __EWG_BAD53) > 5) describe EWG_VALIUM Valium Obfuscation Spam score EWG_VALIUM 1.000 #FOR CURRENT RND_UC_CHAR SPAMS header SUBJ_RND_UC_CHAR_L Subject =~ /\%RND_UC_CHAR/ describe SUBJ_RND_UC_CHAR_L Subject contains literal RND_UC_CHAR tag score SUBJ_RND_UC_CHAR_L 5.0 header SUBJ_RND_UC_CHAR Subject =~ /^Re:\s[A-Z]{2,8},\s[a-z]+\s[a-z]+\s[a-z]+\s*$/ describe SUBJ_RND_UC_CHAR Subject fits RND_UC_CHAR pattern score SUBJ_RND_UC_CHAR 1.0 uri PHARMACOURT_BIZ /\b(?:pharmacourt|pharmawarehouse|valuepointmeds)\.biz\b/i describe PHARMACOURT_BIZ Includes a link to spammer www.pharmacourt.biz score PHARMACOURT_BIZ 3.0 #meta HABEAS_VIOLATOR_LOCAL (!HABEAS_VIOLATOR && PHARMACOURT_BIZ && HABEAS_SWE) #describe HABEAS_VIOLATOR_LOCAL Spammer known to abuse Habeas mark #score HABEAS_VIOLATOR_LOCAL 16.0 rawbody UAH_VIAGRA_IMAGE /^<center><\!--[a-zA-Z0-9]{10,20}--><a href=.+><img src=.+\/[a-z][1-9]\.gif\" border=0><\/a><\/center>$/i describe UAH_VIAGRA_IMAGE Viagra Image score UAH_VIAGRA_IMAGE 3.0 #INVALID QMAIL header GERMANSPAM MESSAGEID =~ /^<.*[a-z].*\.qmail\@.*>/ describe GERMANSPAM Contains German Spam / Invalid Qmail Message ID score GERMANSPAM 3.0 #GOOGLE Who really uses the "I'm Feeling Lucky" button anyway? by John Wilcock uri local_GOOGLE_LUCKY /(?:\bgoogle\b).+(?:&btnI=)/i describe local_GOOGLE_LUCKY Redirect through Google Feeling Lucky score local_GOOGLE_LUCKY 2.0 #ZD.NET's OPEN REDIR by Raymond Dijkxhoorn uri PROLO_REDIR_ZDNET_CHECK_1 /http:\/\/.*chkpt.zdnet.com\/chkpt/ score PROLO_REDIR_ZDNET_CHECK_1 8.0 describe PROLO_REDIR_ZDNET_CHECK_1 PROLO_REDIR-ZDNET CHECK_1_2_3, Body #TINYTEXT by Jonathan Maliepaard <jon@enetworks.co.za> #describe TINY_TEXT_1 Body includes very small html text #rawbody TINY_TEXT_1 /FONT-SIZE: (?:1|1.5|2|2.5|3)px/i #score TINY_TEXT_1 1.5 #describe TINY_TEXT_2 Body includes very small html text #rawbody TINY_TEXT_2 /FONT-SIZE: (?:1|1.5|2|2.5|3)\;/i #score TINY_TEXT_2 1.5 #HABEAS MARK TOO OFTEN FORGED #REMOVED FOR 3.0SA #score HABEAS_SWE 0.0 #patch to MS Outlook 2003 has changed the headers #REMOVED FOR 3.0SA #score FORGED_MUA_OUTLOOK 0.00 #SCORE ADJUSTMENTS #REMOVED FOR 3.0SA #score RCVD_IN_NJABL_DIALUP 1.5 #REMOVED FOR 3.0SA #score RCVD_IN_DYNABLOCK 1.0 #REMOVED FROM RULES score DNS_FROM_OPENWHOIS 2.0 # # Abusive public hosting Raymond Dijkxhoorn # uri PROLO_PUBWEB_UKGEO_CHECK1 /^http:\/\/.*uk\.geocities\.com\// score PROLO_PUBWEB_UKGEO_CHECK1 5.0 describe PROLO_PUBWEB_UKGEO_CHECK1 PROLO_PUBWEB_UKGEO_CHECK1, Body uri PROLO_PUBWEB_ITGEO_CHECK1 /^http:\/\/.*it\.geocities\.com\// score PROLO_PUBWEB_ITGEO_CHECK1 5.0 describe PROLO_PUBWEB_ITGEO_CHECK1 PROLO_PUBWEB_ITGEO_CHECK1, Body uri PROLO_PUBWEB_WWWGEO_CHECK1 /^http:\/\/.*www\.geocities\.com\// score PROLO_PUBWEB_WWWGEO_CHECK1 5.0 describe PROLO_PUBWEB_WWWGEO_CHECK1 PROLO_PUBWEB_WWWGEO_CHECK1, Body uri PROLO_HOSTING_PROHOSTING_CHK1 /^http:\/\/.*prohosting\.com\// score PROLO_HOSTING_PROHOSTING_CHK1 5.0 describe PROLO_HOSTING_PROHOSTING_CHK1 PROLO_HOSTING_PROHOSTING_CHK1, Body uri PROLO_HOSTING_XTHOST_CHK1 /^http:\/\/.*xthost\.info\// score PROLO_HOSTING_XTHOST_CHK1 5.0 describe PROLO_HOSTING_XTHOST_CHK1 PROLO_HOSTING_XTHOST_CHK1, Body uri PROLO_HOSTING_NET4FREE_CHK1 /^http:\/\/.*net4free\.org\// score PROLO_HOSTING_NET4FREE_CHK1 5.0 describe PROLO_HOSTING_NET4FREE_CHK1 PROLO_HOSTING_NET4FREE_CHK1, Body #Raymond's SA Rules for Tripod Spams from Leo body PROLO_LEO1 /85\,45|1\,21/ body PROLO_LEO2 /69\,95|3\,33/ body PROLO_LEO3 /99\,95|3\,75/ uri PROLO_LEO4 /http:\/\/.*\.tripod\.com/ meta PROLO_LEO_M1 (PROLO_LEO1 && PROLO_LEO2 && PROLO_LEO3 && PROLO_LEO4) score PROLO_LEO1 0.1 score PROLO_LEO2 0.1 score PROLO_LEO3 0.1 score PROLO_LEO4 0.1 score PROLO_LEO_M1 8 describe PROLO_LEO1 Meta Catches all Leo drug variations so far describe PROLO_LEO2 Meta Catches all Leo drug variations so far describe PROLO_LEO3 Meta Catches all Leo drug variations so far describe PROLO_LEO4 Meta to catch Leo now using Tripod describe PROLO_LEO_M1 Catches all Leo drug variations so far #JUNK SCORES TO RECREATE ROUNDING BUG #score RDNS_NONE 0.0 #header TEMP Received =~ /64.18.1.27/ #score TEMP -0.5 #score KAM_LIVE 0.0 #DFS Rule for Warning: Malformed MIME virus in the wild 10-10-2013 full __RP_ZIP_TYPE /name\s{0,2}=\s{0,2}.{0,80}\.zip/i full __RP_EMPTY_CTYPE /Content-Type:\s{0,4};/i meta RP_ZIP_ECTYP __RP_EMPTY_CTYPE && __RP_ZIP_TYPE describe RP_ZIP_ECTYP Zip file attachment with bogus Content-Type: header score RP_ZIP_ECTYP 15 #AXB TEXTAREA rawbody __AXB_RAW_TXTRO1 /\<textarea name\=\"textmain\" readonly\=\"readonly\" style\=\"width\:/ rawbody __AXB_RAW_TXTRO2 /\<textarea readonly\=\"readonly\" name\=\"textmain\" style\=\"width\:/ meta AXB_RAW_TXTRO (__AXB_RAW_TXTRO1 + __AXB_RAW_TXTRO2 >= 2) describe AXB_RAW_TXTRO R/O Textarea score AXB_RAW_TXTRO 5.0 ########################################################################## # - Find messages with eight or more html break characters in it. # - From: Kevin Miller <Kevin_Miller@ci.juneau.ak.us> ########################################################################## # HTML <BR> rawbody __CBJ_GiveMeABreak1 /(?:<\/?br ?\/?>[\s\r\n]{0,4}){8}/mi # NEWLINES - DISABLED rawbody __CBJ_GiveMeABreak2 /(?:[\r\n]){8}/mi # EMPTY TABLE ROWS rawbody __CBJ_GiveMeABreak3 /(?:<tr><td><\/td><\/tr>[\r\n]{0,4}){4}/mi # EMPTY PARAGRAPHS rawbody __CBJ_GiveMeABreak4 /(?:<p[^>]*> <\/p>\s*){4}|(?:<div[^>]*> <\/div>\s*){4}/mi meta CBJ_GiveMeABreak (__CBJ_GiveMeABreak1 + __CBJ_GiveMeABreak3 + __CBJ_GiveMeABreak4 >= 1) describe CBJ_GiveMeABreak Messages with consecutive break characters score CBJ_GiveMeABreak 1.75 # FIX FOR THE FAILURE THAT IS OUTLOOK meta MSGID_MULTIPLE_AT_OUTLOOK (MSGID_MULTIPLE_AT && __ANY_OUTLOOK_MUA && !MSGID_OUTLOOK_INVALID) score MSGID_MULTIPLE_AT_OUTLOOK -1.00 describe MSGID_MULTIPLE_AT_OUTLOOK Undo MSGID_MULTIPLE_AT for Outlook MUAs that fail at standards # SPAM THAT SAYS IT IS SPAM header AXB_X_FF_SEZ_S X-Forefront-Antispam-Report =~ /^SFV\:SPM/ describe AXB_X_FF_SEZ_S Forefront says this is spam score AXB_X_FF_SEZ_S 1.5 # HACKED WORDPRESS SITES uri __RP_D_00069_1 /\/wp-content\/(?:plugins|themes)\/.*\.php/is uri __RP_D_00069_2 /\/wp-includes\/.*\.php/is meta RP_D_00069 __RP_D_00069_1 || __RP_D_00069_2 describe RP_D_00069 Contains URL that may point to hacked WordPress site score RP_D_00069 1.2 #lowering score on this rule from 1.5 to 1.2 and the stock URI_WP_HACKED_2 to 2.1 score URI_WP_HACKED_2 2.1 # from John Hardin <jhardin@impsec.org> # reported on users list 09/2014 George Johnson <georgejohnson@talaya.net> header __RAND_HEADER ALL =~ /^(?!Accept-Language|Authentication-Results|Content-|DomainKey-Signature|DKIM-|List-|MIME-|Received-SPF|Return-Path|Thread-|User-Agent)(?:[a-z]{4,}-[a-z]{3,}|[a-z]{3,}-[a-z]{5,}):\s+(?:\d{3,}[-\.][0-9a-f]{6,}|\d{6,}(?:[-\.]\d{2,5})?|[0-9a-f]{30,})$/ism tflags __RAND_HEADER multiple maxhits=5 meta RAND_HEADER_MANY __RAND_HEADER > 4 describe RAND_HEADER_MANY Many random gibberish message headers score RAND_HEADER_MANY 1.500 # limit uri AXB_URI_MLW_DROPBOX /\/(dropbox|googlebox)\/(document|doc|invoice)\.php$/ score AXB_URI_MLW_DROPBOX 100 # from axb - the .link tld is completely useless and spam-ridden # FP from 2017-09-12 removed if (version >= 3.004000) #blacklist_uri_host link endif # COSTCO SPAM RULE FROM DIANNE F SKOLL uri __RP_D_00081_1 /\.php\?(?:dp|k|c|t)=[\/A-Za-z0-9=+]{25}/ header __RP_D_00081_2 Subject =~ /\b(?:order|buying)\b/i meta RP_D_00081 __RP_D_00081_1 && __RP_D_00081_2 describe RP_D_00081 Link to malware score RP_D_00081 3.5 # MORE AXB - PENDING BUG 4691 #rawbody MINIMAL_PAGE_128 /\<HTML\>\<BODY\>\<\/BODY\>\<\/HTML\>/ #range MINIMAL_PAGE_128 byte 0:128 #score MINIMAL_PAGE_128 5.0 #fast_body PILLS_VIAGRA /Blue pill and all popular Meds/ #score PILLS_VIAGRA 5.0 #NOTE 53548 - TESTING JUNKEMAIL FILTER CHECK - TESTING WITH RULES 1/2 OF DOCUMENTED header __RCVD_IN_HOSTKARMA eval:check_rbl('HOSTKARMA-lastexternal','hostkarma.junkemailfilter.com.') describe __RCVD_IN_HOSTKARMA Sender listed in JunkEmailFilter tflags __RCVD_IN_HOSTKARMA net header RCVD_IN_HOSTKARMA_W eval:check_rbl_sub('HOSTKARMA-lastexternal', '127.0.0.1') describe RCVD_IN_HOSTKARMA_W Sender listed in HOSTKARMA-WHITE tflags RCVD_IN_HOSTKARMA_W net nice score RCVD_IN_HOSTKARMA_W -2.5 header RCVD_IN_HOSTKARMA_BL eval:check_rbl_sub('HOSTKARMA-lastexternal', '127.0.0.2') describe RCVD_IN_HOSTKARMA_BL Sender listed in HOSTKARMA-BLACK tflags RCVD_IN_HOSTKARMA_BL net score RCVD_IN_HOSTKARMA_BL 1.5 header RCVD_IN_HOSTKARMA_BR eval:check_rbl_sub('HOSTKARMA-lastexternal', '127.0.0.4') describe RCVD_IN_HOSTKARMA_BR Sender listed in HOSTKARMA-BROWN tflags RCVD_IN_HOSTKARMA_BR net score RCVD_IN_HOSTKARMA_BR 0.5 #Steadramon's bogus SPF rules - https://issues.apache.org/SpamAssassin/show_bug.cgi?id=7099 ifplugin Mail::SpamAssassin::Plugin::AskDNS askdns PDS_SPF_ALL _SENDERDOMAIN_ TXT /^v=spf1 .+\+all$/ describe PDS_SPF_ALL SPF set to +all! score PDS_SPF_ALL 4.5 askdns PDS_SPF_NONE _SENDERDOMAIN_ TXT /^v=spf1 \-all$/ describe PDS_SPF_NONE No IP is supposed to send email for this domain! score PDS_SPF_NONE 3.5 askdns PDS_SPF_ONLYALL _SENDERDOMAIN_ TXT /^v=spf1 \+all$/ describe PDS_SPF_ONLYALL SPF only +all - very lazy score PDS_SPF_ONLYALL 4.5 endif # FROM DFS ifplugin Mail::SpamAssassin::Plugin::MIMEHeader mimeheader RP_D_00086 Content-Disposition =~ /SecureMessage\.chm/ score RP_D_00086 50 describe RP_D_00086 SecureMessage.chm malware endif # FROM BENNY PEDERSEN # sig of fill space to possible drop scanning if clients have very low # size on how much thay send to spamassassin in size rawbody POISEN_SPAM_PILL_1 /\ \/[a-zA-Z0-9]{5}/i tflags POISEN_SPAM_PILL_1 multiple maxhits=1 describe POISEN_SPAM_PILL_1 random spam to be learned in bayes score POISEN_SPAM_PILL_1 0.1 0.1 0.1 0.1 rawbody POISEN_SPAM_PILL_2 /\ \/\/[a-zA-Z0-9]{5}/i tflags POISEN_SPAM_PILL_2 multiple maxhits=1 describe POISEN_SPAM_PILL_2 random spam to be learned in bayes score POISEN_SPAM_PILL_2 0.1 0.1 0.1 0.1 # lets check above is in body :=) body POISEN_SPAM_PILL_3 /\ \/[a-zA-Z0-9]{5}/i tflags POISEN_SPAM_PILL_3 multiple maxhits=1 describe POISEN_SPAM_PILL_3 random spam to be learned in bayes score POISEN_SPAM_PILL_3 0.1 0.1 0.1 0.1 body POISEN_SPAM_PILL_4 /\ \/\/[a-zA-Z0-9]{5}/i tflags POISEN_SPAM_PILL_4 multiple maxhits=1 describe POISEN_SPAM_PILL_4 random spam to be learned in bayes score POISEN_SPAM_PILL_4 0.1 0.1 0.1 0.1 # meta is now meta POISEN_SPAM_PILL ((POISEN_SPAM_PILL_1 || POISEN_SPAM_PILL_2) && (!POISEN_SPAM_PILL_3 || !POISEN_SPAM_PILL_4)) describe POISEN_SPAM_PILL Meta: its spam score POISEN_SPAM_PILL 0.1 0.1 0.1 0.1 #HENRIK KROHNS DEPENDENCY ISSUES FROM OLD SANDBOX ifplugin Mail::SpamAssassin::Plugin::MIMEHeader mimeheader __HK_SPAMMY_CTFN Content-Type =~ /name=.*?(?:lot(?:eri[ej]|t(?:ery|o))|award|prize|winn(?:er|ing)|microsoft|congrat|urgent)/mi mimeheader __HK_SPAMMY_CDFN Content-Disposition =~ /name=.*?(?:lot(?:eri[ej]|t(?:ery|o))|award|prize|winn(?:er|ing)|microsoft|congrat|urgent)/mi meta HK_SPAMMY_FILENAME __HK_SPAMMY_CTFN || __HK_SPAMMY_CDFN score HK_SPAMMY_FILENAME 0.5 describe HK_SPAMMY_FILENAME Content Type or Disposition is Spammy endif #KHOPESH DEPENDENCY ISSUES FROM OLD SANDBOX meta MALFORMED_FREEMAIL (MISSING_HEADERS||__HDRS_LCASE) && FREEMAIL_FROM describe MALFORMED_FREEMAIL Bad headers on message from free email service score MALFORMED_FREEMAIL 0.1 #DAVE JONES / ENA OK TO ADD TO SA DEFAULT IF PROVEN WORTHY header ENA_SUBJ_IS_SPACE Subject =~ /^ $/ describe ENA_SUBJ_IS_SPACE Subject is a space score ENA_SUBJ_IS_SPACE 1.2 #Lowered score from 3.2 for testing 9/19 header ENA_SUBJ_ONLY_SPACES Subject =~ /^\s\s+$/ describe ENA_SUBJ_ONLY_SPACES Subject is only spaces commonly used by spammers to get around subject checks score ENA_SUBJ_ONLY_SPACES 0.2 #Lowered score from 2.2 for testing 9/19 header ENA_SUBJ_ONLY_FWD Subject =~ /(^Fw:\s+$|^Fw\s+$|^Fwd:\s+$|^Fwd\s+$|^Fwd: \(\d\)$|^Fwd: \[\d\]$)/i describe ENA_SUBJ_ONLY_FWD Subject is only "Fwd:" score ENA_SUBJ_ONLY_FWD 2.2 header ENA_SUBJ_ONLY_RE Subject =~ /(^Re:\s+$|^Re\s+$|^Re: \(\d\)$|^Re: \[\d\]$)/i describe ENA_SUBJ_ONLY_RE Subject is only "Re:" score ENA_SUBJ_ONLY_RE 2.2 header ENA_SUBJ_LONG_WORD Subject =~ /\b[^[:space:][:punct:]]{30}/ describe ENA_SUBJ_LONG_WORD Subject has a very long word score ENA_SUBJ_LONG_WORD 0.75 header ENA_SUBJ_ODD_CASE Subject =~ /(?:[[:lower:]][[:upper:]].{0,15}){3}/ describe ENA_SUBJ_ODD_CASE Subject has odd case score ENA_SUBJ_ODD_CASE 1.2 # David Jones <djones@ena.com>, SA users list, 2 Oct 2017 #header USERS_FROM_SPOOF_EMAIL_DISPLAY From =~ /\@[a-z_]+?\.[a-z]{2,3} \</i #score USERS_FROM_SPOOF_EMAIL_DISPLAY 0.1 #describe USERS_FROM_SPOOF_EMAIL_DISPLAY From trying to spoof an email address in the display name # RW <rwmaillists@googlemail.com>, SA users list, 5 Oct 2017 #header USERS_FROM_ADDR_SPACE From:addr =~ /\s/ #score USERS_FROM_ADDR_SPACE 0.1 # Note 56133, SA bug 5561 #score FORGED_YAHOO_RCVD 0 # RW <rwmaillists@googlemail.com>, SA users list, 26 Apr 2019 header BOGUS_MIME_VERSION MIME-Version =~ /^(?!.*\b1\.0\b).+/ score BOGUS_MIME_VERSION 0.5 describe BOGUS_MIME_VERSION bogus MIME-Version header # by Paul Stead <paul.stead@zeninternet.co.uk> if (version >= 3.004000) ifplugin Mail::SpamAssassin::Plugin::FromNameSpoof # skip message signed by these DKIM senders fns_ignore_dkim linkedin.com googlegroups.com yahoogroups.com yahoogroups.de # skip messages with one or more of these headers fns_ignore_headers List-Id List-Post Mailing-List X-Forwarded-For # group similar domains to one name fns_add_addrlist (GMAIL) *@gmail.com *@googlemail.com # From:name and From:address don't match and owners differ header __PLUGIN_FROMNAME_SPOOF eval:check_fromname_spoof() # From:name address matches To:address header __PLUGIN_FROMNAME_EQUALS_TO eval:check_fromname_equals_to() meta PDS_FROMNAME_SPOOFED_EMAIL (__PLUGIN_FROMNAME_SPOOF && !__VIA_ML && !__VIA_RESIGNER && !__RP_MATCHES_RCVD) describe PDS_FROMNAME_SPOOFED_EMAIL From:name doesn't match From:address score PDS_FROMNAME_SPOOFED_EMAIL 0.2 endif endif # by Pedro David Marcos ifplugin Mail::SpamAssassin::Plugin::AskDNS ifplugin Mail::SpamAssassin::Plugin::URIDetail uri_detail PDM_URI_GOOGLEAPIS text =~ /check|click|update|renew|preview/i cleaned =~ /\.googleapis\./i describe PDM_URI_GOOGLEAPIS Rule to look for spammy Google API usage score PDM_URI_GOOGLEAPIS 3.0 endif endif # by Bill Cole describe HTML_BADATTR Illegal char in HTML attribute name rawbody HTML_BADATTR /<[a-z]{1,10}\s[^>]{1,80}\/(src|href)\s*\=/ score HTML_BADATTR 1.0 #RECOMMENDED BY Raymond Dijkxhoorn for SURBL to block abuses on these pages util_rb_3tld ct.sendgrid.net util_rb_2tld page.link
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