## khop-sc-neighbors.cf v 201403292 ## 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-sc-neighbors.sa.khopesh.com ## ## These rules are Copyright 2001-2009 by Adam Katz ## Licensed under the Apache License 2.0. ## The code that generated this output is GNU Affero General Public License v3. ## Source data (copyright Cisco) was taken from links below. ## ## 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 meta __KHOP_SC_EXCLUSIONS __VIA_ML || __freemail_safe || __RCVD_IN_DNSWL || RCVD_IN_HOSTKARMA_WL # 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(?:11[37]|95|2)(?:\.[012]?\d{1,2}){3}\b) / # and gets cleaned up a bit meta KHOP_SC_CIDR8 __KHOP_SC_CIDR8 && !__KHOP_SC_EXCLUSIONS describe KHOP_SC_CIDR8 Relay CIDR /8 is among worst in SpamCop tflags KHOP_SC_CIDR8 nopublish score KHOP_SC_CIDR8 0.1 0.02 0.2 0.1 # 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 # 10.3554/0.0112 0.999 20110227@510k solo=10.3717/0.0119@0.999, ->.3 .1 .3 .1 # 1.5335/0.5063 0.752 20130629@465k net, solo=1.5947/0.5379@0.748 # 2.0256/0.7432 0.732 20130705@376k solo=2.0429/0.7595@0.729, ->.1 .02 .2 .1 header __KHOP_SC_TOP_CIDR8 X-Spam-Relays-Untrusted =~ /^[^\]]* (?:by|ip)=(?-xism:\b(?:1(?:78|86|90)|37)(?:\.[012]?\d{1,2}){3}\b) / meta KHOP_SC_TOP_CIDR8 __KHOP_SC_TOP_CIDR8 && !__KHOP_SC_EXCLUSIONS describe KHOP_SC_TOP_CIDR8 Relay CIDR /8 leads SpamCop in worst /8s tflags KHOP_SC_TOP_CIDR8 nopublish score KHOP_SC_TOP_CIDR8 0.1 0 0.1 0 # 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 # 10.6798/0.1269 0.993 20110227@510k solo=10.6996/0.5918@0.948 -> .2 0 .2 0 # 3.6096/0.2502 0.935 20130629@465k net, solo=3.7125/1.5080@0.711 # 4.1386/0.8450 0.830 20130705@376k solo=4.1707/1.5958@0.723 ->.1 0 .1 0 # 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 0.4 0.1 0.4 0.1 # 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 # crap, still empty 20110227 this is due to safety net exclns -> 1 .2 1 .2 # crap, still empty 20130629@465k net # crap, still empty 20130705@376k net. lowering for low vol -> .4 .1 .4 .1 header KHOP_SC_TOP_CIDR16 Received =~ /(?-xism:\b21(?:6\.144|7\.8)(?:\.[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 0.6 0.2 0.7 0.3 # 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 # 0.5034/0 1.000 20110227@510k 2 .3 2 .4 # 0.0140/0 1.000 20130629@465k net # 0/0 - 20130705@376k lowering for low vol -> .6 .2 .7 .3 # http://spamcop.net/w3m?action=map;net=cmaxcnt;mask=65535;sort=spamcnt header KHOP_SC_CIDR24 Received =~ /(?-xism:\b(?:1(?:85\.(?:10\.201|24\.235)|98\.143\.152)|216\.(?:1(?:44\.255|72\.56)|245\.210)|5\.(?:255\.(?:74|86)|172\.248)|9(?:1\.109\.10|4\.60\.229))\.[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 0.6 0 0.6 0 # 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 # 0.4157/0.5009 0.454 20110227 something is wrong here! -> .1 0 .1 0 # 0.0004/0 1.000 20130629@465k net # 0.4428/0 1.000 20130705@376k resume scores -> .6 0 .6 0 header KHOP_SC_TOP_CIDR24 Received =~ /(?-xism:\b(?:1(?:0(?:3\.25\.14[56]|1\.9\.205)|80\.2(?:22\.12[123]|04\.195)|98\.143\.1(?:28|50))|2(?:3\.(?:9(?:2\.219|4\.104)|254\.138)|1(?:2\.146\.101|0\.48\.249))|8(?:0\.241\.95|4\.22\.11)|72\.22\.74)\.[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 1.7 0.5 1.7 0.5 # 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 # 0.5722/0 1.000 20110227@510k 2.7 .5 2.7 .5 # 0.1483/0 1.000 20130629@465k net # 0.0197/0 1.000 20130705@376k -> 1.7 .5 1.7 .5 # http://www.spamcop.net/w3m?action=hoshame header KHOP_SC_TOP200 Received =~ /(?-xism:\b(?:1(?:9(?:8\.(?:1(?:43\.(?:1(?:5(?:0\.2(?:4[789]|5[012]|39)|2\.(?:9[19]|107))|28\.1(?:3[29]|44))|2\.184)|0(?:0\.30\.228|1\.13\.207))|38\.84\.120)|5\.(?:2(?:16\.196\.1(?:19|20)|30\.113\.7)|138\.65\.113)|9\.(?:229\.252\.76|192\.156\.4)|0\.10(?:7\.140\.77|9\.164\.81)|2\.227\.167\.117|3\.238\.111\.26)|2(?:1\.(?:1(?:8(?:1\.252\.228|6\.153\.33|9\.62\.186)|(?:59\.11\.16|66\.61\.4)4)|78\.11(?:6\.(?:243|77)|9\.193|2\.37)|254\.(?:172\.108|237\.37)|88\.255\.202)|4\.(?:1(?:98\.81\.125|60\.35\.2)|42\.127\.221)|5\.(?:214\.216\.250|75\.235\.127)|3\.(?:64\.199\.218|200\.28\.77))|8(?:5\.(?:2(?:5\.150\.(?:193|212)|4\.235\.20[04])|10\.201\.(?:237|48|50))|4\.82\.1(?:69\.1(?:2[013]|1[68])|30\.234)|0\.(?:204\.195\.228|67\.207\.162)|9\.(?:208\.57\.239|112\.88\.65)|8\.64\.185\.(?:56|64)|2\.162\.73\.193|7\.14\.140\.106)|1(?:2\.(?:2(?:20\.224\.59|16\.20\.50)|124\.27\.12)|8\.(?:41\.(?:207\.5|157\.)7|129\.166\.86)|9\.(?:200\.149\.188|82\.231\.126)|0\.(?:170\.190\.194|45\.140\.79)|4\.1(?:08\.145\.156|41\.253\.14)|5\.88\.119\.132)|7(?:3\.2(?:39\.56\.(?:[56]|12)|25\.121\.12)|8\.1(?:68\.43\.130|9\.162\.3)|7\.184\.140\.222|5\.114\.29\.238|2\.246\.20\.10)|0(?:1\.(?:14\.8(?:9\.201|8\.10)|9\.205\.127)|3\.2(?:5\.146\.125|1\.41\.84)|6\.24(?:3\.239\.34|5\.250\.6))|\.(?:2(?:09\.242\.218|15\.239\.66)|85\.17\.82)|4\.(?:156\.145\.164|51\.14\.98)|67\.160\.36\.63|38\.91\.19\.17)|2(?:1(?:1\.(?:2(?:(?:18\.27\.11|55\.1\.14)2|3(?:\.152\.19|2\.4\.12))|174\.178\.175|44\.103\.11)|(?:3\.247\.47\.2[12]|9\.147\.172\.)2|0\.(?:183\.179\.3[89]|217\.150\.195)|(?:6\.245\.210\.1|8\.56\.37\.2)50|2\.146\.101\.154|7\.8\.255\.206)|2(?:2\.(?:1(?:06\.216\.100|17\.219\.97)|7(?:8\.247\.67|4\.200\.2))|1\.(?:214\.2(?:08\.226|14\.187)|143\.50\.236)|3\.164\.255\.194|0\.68\.224\.45)|0(?:2\.(?:2(?:07\.1\.234|34\.40\.41)|77\.108\.58)|1\.221\.132\.83|7\.194\.87\.105)|3\.(?:9(?:4\.104\.(?:81?|40|59)|2\.219\.(?:11|4))|254\.138\.180)|7\.1(?:23\.2(?:4\.237|5\.236)|51\.127\.13))|9(?:1\.(?:(?:241\.187\.20|98\.36\.8)4|109\.10\.223)|4\.(?:2(?:50\.248\.199|29\.74\.178)|60\.229\.6)|3\.(?:7(?:6\.225\.73|7\.199\.11)|184\.71\.66)|5\.211\.142\.2[12]|2\.51\.109\.181)|6(?:6\.(?:199\.236\.164|23\.231\.115)|2\.(?:212\.89\.117|60\.138\.125)|1\.(?:106\.26\.226|76\.37\.141)|5\.55\.34\.(?:142|77)|4\.187\.225\.146)|4(?:6\.(?:2(?:09\.198\.235|28\.203\.181|49\.47\.30)|1(?:91\.237\.118|49\.19\.55|82\.93\.96))|1\.(?:33\.169\.36|137\.24\.4)|9\.213\.19\.227)|8(?:(?:0\.24(?:5\.173|1\.95)\.21|6\.64\.142\.2)8|5\.1(?:85\.(?:30\.163|112\.8)|7\.190\.38)|9\.46\.100\.8[78]|4\.108\.211\.115)|7(?:8\.(?:3(?:6\.14\.195|9\.178\.2)|29\.4\.78)|(?:5\.146\.126\.10|2\.22\.74\.5)1|7\.(?:106\.232\.178|89\.162\.83))|5(?:\.255\.(?:86\.2(?:2[0568]|18)|74\.(?:29|43|50)|64\.251)|8\.120\.225\.155)|36\.239\.208\.249)\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 # 0.3655/0 1.000 20110227@510k # 2.6827/0.0069 0.997 20130629@465k net # 2.9091/0.0056 0.998 20130705@376k # Spamhaus DROP, http://www.spamhaus.org/drop/ header KHOP_SPAMHAUS_DROP X-Spam-Relays-Untrusted =~ /___ FAILED TO POPULATE ___/ describe KHOP_SPAMHAUS_DROP Relay listed in Spamhaus Don't Route Or Peer List tflags KHOP_SPAMHAUS_DROP nopublish score KHOP_SPAMHAUS_DROP 1 0.2 1 0.2 # spam/ham s/o corpus # 0.0349/0.0029 0.924 20110227@510k header KHOP_SPAMHAUS_DROP_LE X-Spam-Relays-External =~ /^[^]]*___ FAILED TO POPULATE ___/ describe KHOP_SPAMHAUS_DROP_LE Relay listed in Spamhaus Don't Route Or Peer List tflags KHOP_SPAMHAUS_DROP_LE nopublish score KHOP_SPAMHAUS_DROP_LE 2 0 2 0 # adds to KHOP_SPAMHAUS_DROP # spam/ham s/o corpus # 0.0241/0 1.000 20110227@510k # 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 =~ / (?:by|ip)=(?-xism:\b(?:1(?:1(?:1\.176\.(?:[67]|(?:12|8)[4567]|4[89]?|5[01]?)|6\.207\.(?:6[0123]|4[89]|5\d)|2\.215\.(?:6[34]|44)|3\.56\.2(?:4[89]|50)|9\.36\.21[23])|8(?:6\.(?:1(?:3\.[01234567]|22\.4[4567])|37\.203)|3\.9(?:3\.(?:11[45]|99)|5\.6[67])|8\.73\.252)|2(?:(?:3\.136\.10|5\.60\.15)6|2\.155\.(?:34|43))|9(?:0\.113\.20[89]|7\.252\.[01]|9\.19\.92)|0(?:3\.251\.157|9\.127\.80)|77\.(?:36\.[12]7|11\.55)|30\.193\.1(?:4[67]|65))|2(?:7\.20\.(?:[89]|1(?:0[0123]?|[28][89]|[39][01]|7[6789]|1)|24[01234567]|4[0123]|5[6789])|0(?:1\.220\.24[23]|3\.191\.2[56]|2\.62\.16)|12\.5\.158|4\.244\.23)|5(?:8\.(?:5(?:0\.1(?:[2345]|0[456789]|1\d)|4\.18[67])|19\.19[01])|\.102\.253)|9(?:0\.(?:84\.144|174\.2)|5\.83\.2(?:49|53)|4\.230\.93)|41\.(?:254\.[2568]|158\.97))\.[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 2 0.6 2 0.6 # 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 # 0.6985/0.0014 0.998 20110227@510k 2 .6 2 .6 # 0.4298/0 1.000 20130629@465k net # 1.0958/0 1.000 20130705@376k # 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 # 1.1332/0.5023 0.693 20110227@510k # 0.5785/0 1.000 20130629@465k net # 1.5583/0 1.000 20130705@376k 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 # 0.5034/0 1.000 20110227@510k # 0.0140/0 1.000 20130629@465k net # 0/0 - 20130705@376k 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 # 21.0352/0.1381 0.993 20110227@510k # 5.1431/0.7565 0.872 20130629@465k net # 6.1642/1.5881 0.795 20130705@376k 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 # 1.6366/0.5023 0.765 20110227@510k # 0.5925/0 1.000 20130629@465k net # 1.5583/0 1.000 20130705@376k # Bump these up to compensate for expected but absent overlap (94+% noted below) if (! plugin(Mail::SpamAssassin::Plugin::DNSEval) ) score KHOP_SC_CIDR8 (0) (0.2) (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) (0.9) (0) (0.9) # SC(99) BRBL(96) MSPIKE(96) score KHOP_SC_TOP_CIDR24 (0) (2.5) (0) (2.5) # 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_SPAMHAUS_DROP (0) (3) (0) (3) # SBL(78) score KHOP_PSBL_CIDR24 (0) (1.5) (0) (1.5) # BRBL(98) XBL(95) endif