## khop-sc-neighbors.cf v 201012211 ## Khopesh's syndication of SpamCop's top offenders and top offending networks. ## ## Spamassassin rules written by Adam Katz ## http://khopesh.com/Anti-spam ## khopesh on irc://irc.freenode.net/#spamassassin ## ## sa-update --gpgkey E8B493D6 --channel khop-bl.sa.khopesh.com ## ## These rules are Copyright 2001-2009 by Adam Katz ## Licensed under the Creative Commons Non-Commercial Share-alike License 2.0. ## The code that generated this output is GNU Affero General Public License v3. ## Source data (copyright Cisco subsidiary SpamCop.net) taken from links below. ## The author is receptive to relicensing requests for this and its generator. ## ## Frequent updates are needed for these rules, so they are marked 'nopublish' ## This keeps them from being automatically promoted to SpamAssassin proper ## from the testing system, which affirms their usefulness. You can check ## their efficiency at http://ruleqa.spamassassin.org/?rule=%2FKHOP_SC # http://spamcop.net/w3m?action=map;mask=4294967295;net=0;sort=56 # Due to the massive block size, this rule only examines the last untrusted header __KHOP_SC_CIDR8 X-Spam-Relays-Untrusted =~ /^[^\]]* (?:by|ip)=(?-xism:\b(?:1(?:22|89)|59|94)(?:\.[012]?\d{1,2}){3}\b) / # and gets cleaned up a bit meta KHOP_SC_CIDR8 __KHOP_SC_CIDR8 && !(__VIA_ML||__freemail_safe||__RCVD_IN_DNSWL||RCVD_IN_HOSTKARMA_WL) describe KHOP_SC_CIDR8 Relay CIDR /8 is among worst in SpamCop tflags KHOP_SC_CIDR8 nopublish score KHOP_SC_CIDR8 0.2 0.1 0.3 0.2 # spam/ham s/o corpus # 12.3692/1.0099 0.925 20100211 .2 .1 .3 .2 -> .1 .01 .1 .01 # 8.9412/1.1532 0.886 20100325 # 9.4362/0.4074 0.959 20100329 # 11.8281/0.4788 0.961 20100401 without meta # 11.8578/0.4495 0.961 20100402 half meta (oops). decreased worst 4/8->4/7 # 7.8856/0.1388 0.983 20100403 meta, net, solo=7.9236/0.4189 # changed from rank by spam count to rank by hosts reported, back to 4/8 # 12.1963/0.0356 0.997 20100406 (wow) solo=12.2454/0.0408@0.997 # 12.0753/0.0359 0.997 20100409 solo=12.1265/0.0412@0.997 # 12.1449/0.0139 0.999 20100410 net, solo=12.1966/0.0197@0.998, ->.2 .1 .3 .2 header __KHOP_SC_TOP_CIDR8 X-Spam-Relays-Untrusted =~ /^[^\]]* (?:by|ip)=(?-xism:\b(?:1(?:17|78|90)|95)(?:\.[012]?\d{1,2}){3}\b) / meta KHOP_SC_TOP_CIDR8 __KHOP_SC_TOP_CIDR8 && !(__VIA_ML||__freemail_safe||__RCVD_IN_DNSWL||RCVD_IN_HOSTKARMA_WL) describe KHOP_SC_TOP_CIDR8 Relay CIDR /8 leads SpamCop in worst /8s tflags KHOP_SC_TOP_CIDR8 nopublish score KHOP_SC_TOP_CIDR8 0.9 0.1 0.9 0.1 # spam/ham s/o corpus # 15.6795/0.1173 0.993 20100211 .5 .4 .8 .6 -> .6 .5 .8 .5 # 11.0578/0.3614 0.968 20100325 # 13.7809/0.4860 0.966 20100329 .9 .1 .9 .1 masscheck promoted # 14.1773/0.4799 0.967 20100401 # 14.1807/0.4960 0.966 20100402 without meta # 14.0841/0.0926 0.993 20100402 added meta (wow!) # 14.2553/0.0424 0.997 20100403 net, solo=14.3609/0.4888@0.967 # 11.6252/0.1263 0.989 20100406 solo=11.7104/0.5366@0.956 # 11.5987/0.1295 0.989 20100409 solo=11.6856/0.5731@0.953 # 11.6286/0.0475 0.996 20100410 net, solo=11.7224/0.6900@0.944, ->LE as above # http://www.spamcop.net/w3m?action=map;net=bmaxcnt;mask=16777215;sort=spamcnt header KHOP_SC_CIDR16 Received =~ /___ FAILED TO POPULATE ___/ describe KHOP_SC_CIDR16 Relay CIDR /16 is among worst in SpamCop tflags KHOP_SC_CIDR16 nopublish score KHOP_SC_CIDR16 1.6 0.5 1.6 0.5 # spam/ham s/o corpus # 0.7444/0.0129 0.983 20100211 # 0.5943/0.0139 0.977 20100325 .6 .5 .9 .75 # 0.8767/0.0167 0.981 20100329 1.6 .5 1.6 .5 masscheck promoted # 0.6952/0.0011 0.998 20100401 increased worst offenders 6/12->9/15 @ 20100401 # 0.6814/0.0149 0.979 20100402 # 0.4399/0.0008 0.998 20100403 net run # 0.2102/0.0011 0.995 20100406 # 0 /0 0 20100409 (wha!?) # crap, still empty 20100410 bad scrape, script failed to populate rule header KHOP_SC_TOP_CIDR16 Received =~ /(?-xism:\b123\.26(?:\.[012]?\d{1,2}){2}\b)/ describe KHOP_SC_TOP_CIDR16 Relay CIDR /16 leads SpamCop in worst /16s tflags KHOP_SC_TOP_CIDR16 nopublish score KHOP_SC_TOP_CIDR16 2.0 0.5 2.0 0.5 # spam/ham s/o corpus # 0.8862/0.0008 0.999 20100211 # 0.5738/0.0008 0.999 20100325 .9 .8 1.3 1.2 # 0.6658/0 1.000 20100329 2 .5 2 .5 masscheck promoted # 0.8374/0 1.000 20100401 # 1.1534/0 1.000 20100402 # 1.2077/0.0145 0.988 20100403 net run # 1.2155/0.0142 0.988 20100406 # 1.2779/0.0142 0.989 20100409 # 1.0611/0.0009 0.999 20100410 net # http://spamcop.net/w3m?action=map;net=cmaxcnt;mask=65535;sort=spamcnt header KHOP_SC_CIDR24 Received =~ /(?-xism:\b(?:1(?:13\.162\.(?:125|246|67)|09\.172\.40|78\.49\.255|21\.54\.54)|8(?:5\.26\.(?:2(?:3[234]|25)|16[45])|9\.232\.105)|21(?:(?:3\.233|8\.248)\.64|7\.118\.81|1\.147\.3)|7(?:7\.232\.14[23]|4\.82\.212)|9(?:1\.198\.8|3\.186\.9)6)\.[012]?\d{1,2}\b)/ describe KHOP_SC_CIDR24 Relay CIDR /24 is among worst in SpamCop tflags KHOP_SC_CIDR24 nopublish score KHOP_SC_CIDR24 2.5 0.6 2.5 0.6 # spam/ham s/o corpus # 0.1350/0 1.000 20100211 # 0.0798/0 1.000 20100325 .9 .8 1.3 1.2 # 0.0159/0 1.000 20100329 2.5 .6 2.5 .6 masscheck promoted # 0.1577/0 1.000 20100401 # added top host-count /24s, increased worst offenders 6/12->8/15 @ 20100401 # 0.1223/0 1.000 20100402 (oops, too small a pool) # host-count 84/64->84/50, offenders 8/15->10/20 @ 20100402 # 0.2547/0 1.000 20100403 net # 0.2126/0 1.000 20100406 # 0.2960/0 1.000 20100409 # 0.2905/0 1.000 20100410 net header KHOP_SC_TOP_CIDR24 Received =~ /(?-xism:\b(?:8(?:5\.26\.(?:1(?:6[45]|8[36])|2(?:3[2345]|41))|3\.149\.(?:3[68]?|2[18]|4[16])|1\.192\.(?:2(?:11|38)|199)|(?:0\.83\.23|2\.178\.6)9)|2(?:1(?:7\.(?:118\.(?:8[23]|90)|8\.2(?:3[68]|25)|66\.146)|3\.(?:2(?:26\.63|33\.64)|87\.74))|03\.(?:152\.2|82\.95))|1(?:13\.(?:10\.16[78]|30\.110)|78\.(?:49\.255|32\.64)|80\.232\.115|95\.91\.70)|7(?:7\.232\.142|9\.106\.109)|9(?:1\.203\.67|8\.139\.91)|41\.(?:254\.[01]|95\.4)|61\.19\.6[67])\.[012]?\d{1,2}\b)/ describe KHOP_SC_TOP_CIDR24 Relay CIDR /24 leads SpamCop in worst /24s tflags KHOP_SC_TOP_CIDR24 nopublish score KHOP_SC_TOP_CIDR24 2.7 0.6 2.7 0.6 # spam/ham s/o corpus # 0.2528/0.0092 0.965 20100211 # 0.2231/0.0112 0.952 20100325 1.7 1.5 1.9 1.8 # 0.0249/0 1.000 20100329 2.7 .6 2.7 .6 masscheck promoted # 0.1594/0 1.000 20100401 # 0.6448/0 1.000 20100402 (wow!) # 0.6896/0 1.000 20100403 net # 0.6255/0.0045 0.993 20100406 # 0.7261/0.0045 0.994 20100409 # 0.7447/0.0054 0.993 20100410 net # http://www.spamcop.net/w3m?action=hoshame header KHOP_SC_TOP200 Received =~ /(?-xism:\b(?:1(?:9(?:5\.(?:1(?:6(?:1\.(?:40\.10|8\.1|9\.2)|0\.253\.4)|82\.194\.220|38\.78\.124)|(?:210\.138\.14|70\.61\.25)3)|0\.(?:1(?:79\.146\.240|00\.17\.43)|210\.25\.225|30\.236\.34|44\.11\.101)|4\.(?:1(?:26\.180\.118|65\.147\.23|35\.105\.1)|44\.247\.218|50\.9\.114)|3\.(?:(?:107\.18|239\.4)4\.19|93\.16\.1)3|6\.(?:201\.207\.191|12\.226\.34))|1(?:0\.(?:13(?:9\.(?:2(?:50\.202|4\.224)|12\.213)|8\.213\.43)|74\.223\.6)|3\.1(?:6(?:2\.(?:125\.130|218\.196)|1\.4\.102)|90\.161\.239)|1\.(?:224\.250\.13[45]|68\.108\.200)|8\.(?:71\.243\.183|96\.97\.36)|9\.15(?:3\.96\.180|\.83\.26)|7\.211\.83\.131|5\.124\.66\.9)|2(?:2\.(?:160\.206\.178|252\.234\.75)|4\.1(?:58\.110\.64|24\.43\.32)|5\.(?:163\.54\.21|20\.82\.19)5|1\.(?:78\.236\.38|1\.21\.232)|3\.(?:18\.125\.9|27\.79\.1)1|8\.121\.191\.244)|8(?:9\.(?:1(?:0\.85\.30|9\.74\.9)|31\.188\.84)|(?:0\.244\.126\.16|6\.81\.173\.20)9|4\.(?:105\.195\.87|99\.127\.156)|7\.(?:176\.197\.44|8\.185\.202)|3\.107\.172\.164)|7(?:8\.(?:49\.255\.1(?:04|25)|32\.64\.195)|4\.34\.178\.18)|40\.135\.131\.202|50\.101\.137\.35|09\.75\.48\.29|63\.21\.100\.4)|2(?:1(?:6\.(?:157\.1(?:4(?:6\.(?:1(?:28|92)|64)|8\.64)|5(?:4\.(?:1(?:28|92)|2)|0\.64))|81\.7(?:0\.(?:(?:19)?2|64)|2\.(?:128|2)|1\.64|3\.2))|3\.(?:1(?:8(?:2\.85\.167|6\.38\.38)|49\.152\.83|92\.3\.172)|39\.250\.139|85\.132\.98)|2\.(?:154\.202\.22|71\.150\.146)|8\.2(?:48\.44\.196|34\.21\.89)|7\.(?:195\.206\.2|76\.2\.129)|9\.147\.175\.126|0\.91\.239\.10|1\.147\.3\.74)|0(?:2\.(?:1(?:52\.194\.129|02\.194\.78|31\.225\.2)|28\.(?:66\.251|24\.99))|0\.(?:1(?:08\.109\.179|27\.73\.142|52\.113\.24)|87\.223\.142)|1\.(?:8(?:1\.178\.201|6\.130\.94)|144\.130\.21|251\.250\.3)|3\.1(?:77\.237\.103|90\.46\.72)|4\.8\.46\.130)|2(?:2\.(?:2(?:5(?:3\.56\.208|2\.223\.2)|32\.75\.116)|1(?:28\.203\.214|79\.44\.11))|0\.231\.69\.13)|4\.(?:151\.126\.203|7\.75\.105))|9(?:1\.(?:1(?:9(?:5\.(?:136\.14|230\.13)|3\.199\.4)|87\.103\.[23]|21\.175\.20)|2(?:0(?:7\.142\.160|3\.13\.195)|1(?:0\.87\.206|4\.83\.2)))|3\.(?:1(?:2(?:5\.40\.15|6\.15\.49)|09\.251\.130)|91\.196\.132)|2\.(?:1(?:03\.162\.252|7\.238\.96)|242\.70\.175)|4\.(?:2(?:45\.156\.33|3\.60\.124)|79\.4\.3)|5\.(?:104\.193\.155|63\.38\.7)|8\.239\.105\.218)|8(?:9\.(?:2(?:1(?:5\.182\.234|6\.190\.177)|52\.36\.221)|1(?:21\.184\.106|65\.82\.112))|2\.(?:1(?:1(?:4\.71\.182|7\.194\.66)|93\.140\.168)|207\.99\.94)|4\.1(?:25\.128\.173|09\.59\.111|5\.191\.254)|(?:1\.255\.83\.19|6\.57\.159\.15)0|3\.1(?:10\.218\.221|42\.111\.228)|0\.(?:122\.199\.138|95\.70\.173)|5\.105\.176\.86|7\.226\.242\.7)|7(?:7\.(?:2(?:2(?:1\.143\.163|2\.151\.254)|43\.91\.12)|126\.20\.221|92\.159\.102)|4\.(?:50\.95\.1[07]|82\.212\.152)|6\.1(?:61\.241\.115|05\.19\.41)|2\.(?:29\.104\.1|54\.21\.4)5|0\.108\.253\.223|1\.231\.100\.116)|6(?:8\.(?:67\.95\.8[01]|191\.101\.60|52\.244\.12)|(?:6\.197\.246\.10|1\.139\.151\.1)8|(?:9\.15\.194\.15|7\.211\.240\.)3|5\.110\.50\.164)|41\.(?:137\.(?:(?:2[04]|56)\.4|63\.20[123])|206\.13\.3)|5(?:8\.1(?:43\.156\.48|50\.55\.59)|9\.157\.160\.49))\b)/ describe KHOP_SC_TOP200 Relay listed in SpamCop top 200 spammer IPs tflags KHOP_SC_TOP200 nopublish score KHOP_SC_TOP200 4 0 4 0 # unnecessary if DNSBLs work # spam/ham s/o corpus # 1.2552/0 1.000 20100211 # 0.8558/0 1.000 20100325 3.4 3.2 3.7 3.5 # 0.1265/0 1.000 20100329 4 0 4 0 masscheck promoted # 0.7066/0 1.000 20100401 # 0.6558/0 1.000 20100403 net # 0.6211/0 1.000 20100406 # 0.5307/0 1.000 20100409 # 0.5617/0 1.000 20100410 net # PSBL-neighbors: any /24 with 73+ (2/7, 29%) IPs in the PSBL (not SpamCop), # as obtained from rsync://psbl-mirror.surriel.com::psbl/psbl.txt header KHOP_PSBL_CIDR24 X-Spam-Relays-Untrusted =~ /(?-xism:\b(?:1(?:1(?:9\.15(?:9\.(?:2(?:1[123589]|2[0123]|0[149])|19[29])|5\.(?:3[347]|4[267])|3\.9[34]?)|3\.1(?:62\.(?:2(?:2[578]|3[48]|4[46])|6[57]|9[67]|132|56|77)|0\.168)|6\.71\.(?:[79]|1(?:[028]|4[456789]|51?)?|21[46]?|32|54|63)|7\.2(?:00\.(?:192|213)|41\.248)|0\.49\.(?:193|205))|25\.23(?:4\.144|5\.192)|78\.49\.255|88\.135\.2|95\.91\.70)|8(?:5\.26\.(?:1(?:6[45]|8[36])|2(?:3[2345]|41))|3\.149\.(?:3[568]?|2[18]|4[16])|9\.2(?:04\.1(?:37|53)|32\.105)|1\.192\.(?:2(?:1[15]|38)|199)|2\.1(?:28\.5[45]|78\.69)|0\.83\.239)|2(?:1(?:7\.(?:118\.(?:8[23]|90)|8\.2(?:3[68]|25)|66\.146)|3\.87\.(?:1(?:14|97)|8[01789]|9[012]|7[46]))|0(?:3\.(?:152\.2|82\.95)|2\.152\.243))|59\.9(?:9\.1(?:2[89]|5[23])|7\.210|8\.152)|41\.(?:95\.(?:[48]|12)|254\.[0123])|6(?:1\.19\.6[567]|6\.87\.[016])|77\.232\.142)\.[012]?\d{1,2}\b)/ describe KHOP_PSBL_CIDR24 Relay's IP/24 CIDR contains many PSBL hits tflags KHOP_PSBL_CIDR24 nopublish score KHOP_PSBL_CIDR24 1.8 0.8 1.8 0.8 # spam/ham s/o corpus # 0.5363/0 1.000 20100401 # 0.7486/0 1.000 20100402 # 0.7317/0 1.000 20100403 net run. min hosts 73->65 # 0.9316/0 1.000 20100406 # 0.9473/0 1.000 20100409 # 0.9545/0 1.000 20100410 net # test for ruleqa, 20100409, http://ruleqa.spamassassin.org/?rule=/KHOP_SPAMMY meta __KHOP_SPAMMY_CIDR24 KHOP_PSBL_CIDR24||KHOP_SC_CIDR24||KHOP_SC_TOP_CIDR24 # est. 1.2/0.0050@.996, floor: 1.0/0.0112@.989, ceiling: 1.4/0@1 # spam/ham s/o corpus # 1.2645/0.0054 0.996 20100410 net # 1.1562/0.0058 0.995 20100417 net meta __KHOP_SPAMMY_CIDR16 KHOP_SC_CIDR16||KHOP_SC_TOP_CIDR16 # est. 1.4/0.02@.986, floor: 1.3/0.0312@.977, ceiling: 2.0/0.0150@.993 # spam/ham s/o corpus # 1.0611/0.0009 0.999 20100410 net # 1.9539/0.0152 0.992 20100417 net meta __KHOP_SPAMMY_CIDR8 KHOP_SC_CIDR8||KHOP_SC_TOP_CIDR8 # est. 23.7/0.15@.994, floor: 23/0.2685@.988, ceiling: 26.5/0.0789@.997 # spam/ham s/o corpus # 23.7686/0.0614 0.997 20100410 net # 22.2300/0.0616 0.997 20100417 net meta __KHOP_SPAMMY_SUBNET __KHOP_SPAMMY_CIDR24||__KHOP_SPAMMY_CIDR16 # est. 26.2/0.175@.993, floor: 24.5/0.5@.980, ceiling: 30.1/0.1@.997 # spam/ham s/o corpus # 25.6744/0.0677 0.997 20100410 net, beat estimated ceiling (for ham)! # 23.7846/0.0826 0.997 20100417 net, beat ceiling ham, but beat floor spam # 23.7505/0.1041 0.996 20100418 too much ham, nixing /8, new est. 3.0/.02@.993 # Bump these up to compensate for expected but absent overlap (94+% noted below) if (! plugin(Mail::SpamAssassin::Plugin::DNSEval) ) score KHOP_SC_CIDR8 (0) (0.1) (0) (0.2) # BRBL(98%) score KHOP_SC_TOP_CIDR8 (0) (0.9) (0) (0.9) # BRBL(98%) score KHOP_SC_CIDR16 (0) (1.5) (0) (1.5) # BRBL(99%), PBL(98%) score KHOP_SC_TOP_CIDR16 (0) (1.7) (0) (1.7) # BRBL(99%), PBL(94%) score KHOP_SC_CIDR24 (0) (1.9) (0) (1.9) # SC(99) BRBL(96) MSPIKE(96) score KHOP_SC_TOP_CIDR24 (0) (2.1) (0) (2.1) # MSPIKE(99) SC(98) BRBL(97) ... # PSBL(97) HOSTKARMA(97) score KHOP_SC_TOP200 (0) (4.4) (0) (4.4) # SC(99) PSBL(99) ... # HOSTKARMA(99) SEMBLACK(99) BRBL(98) MSPIKE(94) score KHOP_PSBL_CIDR24 (0) (1.5) (0) (1.5) # BRBL(98) XBL(95) endif