## khop-sc-neighbors.cf v 201011182 ## 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(?:(?:18|5)9|9[24])(?:\.[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:\b1(?:1(?:3\.22|8\.96)|23\.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(?:7(?:3\.208\.123|8\.32\.64)|09\.1(?:67\.192|72\.53)|25\.162\.243|94\.135\.105)|2(?:1(?:3\.233\.64|7\.118\.82|1\.147\.3)|09\.51\.134|7\.96\.163)|6(?:1\.139\.151|9\.172\.199|3\.247\.78)|9(?:3\.186\.101|5\.129\.166|6\.45\.187)|8(?:9\.232\.105|3\.149\.3)|58\.186\.14)\.[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(?:2(?:1(?:7\.(?:8\.2(?:25|36)|118\.90|66\.146)|3\.(?:87\.7[46]|226\.63)|8\.248\.64)|0(?:(?:5\.251\.15|3\.152\.)2|8\.82\.115|9\.144\.30)|7\.96\.152)|8(?:5\.26\.(?:1(?:6[45]|8[36])|2(?:3[2345]|41))|3\.149\.(?:2[18]|4[45]|36?)|1\.192\.(?:2(?:11|38)|199)|(?:0\.83\.23|2\.178\.6)9)|1(?:8(?:6\.2\.1(?:36|44)|4\.154\.9[56])|13\.162\.(?:24[46]|100|67)|74\.1(?:22\.10|37\.4)1|94\.170\.16)|7(?:7\.232\.14[23]|4\.117\.211|9\.106\.109)|9(?:5\.158\.184|1\.203\.67|8\.139\.91)|6(?:1\.19\.66|4\.27\.50)|41\.254\.[012])\.[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)|91\.58\.10)|91\.54\.12[01]|68\.234\.2)|3\.1(?:07\.184\.193|40\.209\.26)|9\.23(?:6\.117\.210|8\.164\.221)|0\.(?:30\.236\.34|69\.155\.99)|4\.1(?:35\.105\.1|70\.16\.85)|6\.28\.52\.1)|1(?:1\.(?:224\.250\.13[015]|68\.108\.200|93\.5\.194)|3\.1(?:62\.237\.103|1\.195\.38)|2\.64\.180\.114|7\.211\.83\.131)|7(?:4\.1(?:37\.41\.2(?:4[569]|2[89]|3[59])|22\.101\.(?:8[0368]|7[49]))|3\.208\.123\.15[45678]|8\.32\.64\.195)|8(?:4\.154\.9(?:5\.2(?:4[234]|3[08])|6\.1(?:7[0147]|68))|6\.112\.45\.128|8\.75\.128\.2)|2(?:(?:2\.252\.234\.7|4\.158\.110\.6)4|5\.20\.82\.195|3\.27\.79\.11)|63\.2(?:0\.(?:94\.130|8\.5)|1\.100\.4)|59\.148\.96\.251)|2(?:0(?:9\.(?:144\.30\.(?:20[01256]|19[89])|51\.134\.2(?:1[01]|09|22))|0\.(?:1(?:08\.109\.179|41\.87\.135)|88\.237\.101)|1\.(?:1(?:16\.140\.246|44\.130\.21)|251\.250\.3)|8\.(?:82\.115\.1(?:7[237]|8[27])|38\.137\.56)|2\.(?:103\.204\.86|75\.36\.95)|5\.251\.152\.1(?:3[25679]|40)|3\.189\.89\.126|7\.57\.122\.80)|1(?:3\.1(?:30\.100\.114|08\.72\.71|86\.38\.38)|1\.1(?:4(?:8\.95\.42|7\.3\.74)|3\.204\.1)|8\.(?:94\.(?:25\.20|65\.9)|248\.44\.19)6|0\.(?:212\.163\.42|91\.239\.10)|6\.2(?:20\.17\.164|4\.124\.50)|9\.1(?:57\.200\.19|47\.172\.2)|7\.(?:173\.21\.5|76\.2\.129)|2\.52\.129\.193)|2(?:2\.(?:1(?:24\.178\.158|68\.18\.227)|252\.223\.2)|0\.231\.(?:127\.9|69\.13)))|6(?:1\.1(?:39\.151\.(?:18|22)|42\.213\.158|00\.12\.193|12\.19\.81|26\.28\.97)|9\.(?:172\.199\.1(?:6[478]|73)|64\.155\.181)|4\.27\.50\.1(?:4[23458]|5[17])|3\.247\.78\.17[123]|6\.197\.230\.103|8\.168\.137\.125|2\.119\.28\.251)|7(?:7\.(?:2(?:4(?:1\.46\.185|0\.96\.2)|32\.6(?:9\.160|8\.23)|23\.5\.7[2345])|92\.159\.102)|4\.117\.211\.1(?:3[269]|6[29]|41|90)|6\.16(?:1\.241\.115|4\.231\.194)|8\.159\.134\.24[23]|0\.108\.253\.223|2\.46\.136\.85)|9(?:1\.(?:1(?:49\.173\.100|93\.199\.4)|2(?:00\.44\.146|14\.83\.2))|4\.(?:159\.150\.155|245\.156\.33)|3\.(?:73\.102\.220|95\.168\.122)|2\.4(?:6\.119\.131|3\.26\.42)|6\.45\.187\.1(?:37|49))|8(?:9\.(?:161\.(?:206\.147|158\.80)|7\.220\.143|97\.155\.7)|1\.(?:88\.158\.188|95\.178\.83)|3\.1(?:42\.111\.228|6\.167\.14)|2\.193\.140\.168|4\.15\.191\.254|7\.226\.242\.7)|41\.1(?:37\.(?:(?:24|30|56)\.4|63\.20[123])|89\.96\.79)|5(?:9\.(?:120\.75\.241|25\.182\.92)|8\.185\.35\.121))\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(?:3\.(?:1(?:6(?:2\.(?:1(?:1[78]|2[48]|4[13]|00)|2(?:2[45789]|4[456]|38)|7[4679]|6[57]|9[67]|56)|8\.1(?:[04]|28)|7\.1(?:11|34)|9\.18[013])|85\.1)|22\.8)|7\.(?:2(?:0(?:0\.(?:1(?:9[235]|7[79]|63|80)|2(?:1[01246]|0[89]))|4\.145)|41\.(?:2(?:28|49)|8[01]|1))|19(?:8\.8[234]|9\.5[34]))|9\.15(?:9\.(?:2(?:0[023678]|1[1567]|2[012])|19[24579])|3\.(?:[35]|1[189]|9[15]?|83?)|5\.(?:9[78]|101?))|6\.71\.(?:1(?:[17]|4[4579]|5[01]?)|2(?:[347]|1[0158]|09|22)|32|7)|0\.49\.(?:193|205)|8\.71\.9)|8(?:6\.2\.1(?:36|44)|0\.194\.[01]|8\.135\.2)|2(?:5\.23(?:4\.144|5\.192)|3\.28\.142)|\.53\.148)|2(?:1(?:7\.(?:8\.2(?:3[68]|25)|118\.(?:82|90)|66\.146)|3\.(?:87\.(?:8[01789]|7[46]|90)|108\.172)|2\.(?:23\.105|3\.128)|8\.248\.64)|0(?:3\.(?:152\.2|82\.95)|2\.152\.(?:194|243))|7\.96\.1(?:52|68)|22\.254\.7[78])|8(?:5\.26\.(?:1(?:6[45]|8[36])|2(?:3[2345]|41))|3\.149\.(?:3[67]?|4[345]|2[18])|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)|5(?:9\.9(?:9\.(?:1(?:5[2345]|2[89])|5[678]|40)|7\.2(?:09|16))|8\.18(?:6\.(?:220|14)|7\.8))|41\.(?:2(?:54\.[012]|02\.194)|95\.[48])|9(?:2\.39\.(?:7[079]|65)|1\.203\.67)|61\.19\.6[567]|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