## khop-sc-neighbors.cf v 201101201 ## 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(?:87|90)|201|59)(?:\.[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|89)|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(?:(?:0\.13|8\.9)6|3\.(?:165|22))|2(?:3\.2[67]|2\.168)|82\.177)(?:\.[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(?:1(?:3\.1(?:62\.(?:237|56)|0\.165)|8\.96\.2[35]1|0\.139\.205|9\.206\.243)|7(?:8\.(?:49\.255|32\.64)|5\.100\.127|3\.245\.79)|25\.162\.243)|2(?:1(?:(?:3\.233|8\.248)\.64|7\.118\.81|1\.147\.3)|0(?:2\.108\.3|3\.152\.2)|20\.85\.242)|9(?:5\.1(?:29\.166|37\.65)|1\.203\.67|4\.23\.60)|8(?:5\.26\.2(?:25|34)|9\.232\.105|3\.149\.21)|7(?:7\.232\.14[23]|2\.46\.153)|58\.64\.187)\.[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))|115\.248)|3\.149\.(?:3[68]?|2[18]|4[16])|1\.192\.(?:2(?:1[15]|38)|199)|0\.83\.23[89]|2\.178\.69)|1(?:13\.(?:1(?:62\.2(?:[34]4|25)|0\.16[459])|61\.62)|9(?:4\.170\.16|5\.91\.70)|25\.234\.144|78\.49\.255|01\.78\.23)|2(?:1(?:7\.(?:118\.(?:83|90)|8\.2(?:25|36)|66\.146)|3\.(?:233\.6|87\.7)4)|03\.82\.95)|41\.(?:(?:137\.2|95\.)4|254\.[01])|9(?:5\.154\.240|8\.139\.91)|6(?:5\.110\.50|1\.19\.66)|79\.106\.109)\.[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(?:1(?:0\.13(?:9\.(?:253\.100|56\.28)|7\.(?:187\.38|41\.82)|8\.218\.102)|8\.(?:233\.254\.112|71\.119\.227|96\.148\.30)|1\.(?:224\.250\.13[245]|68\.108\.200)|(?:4\.204\.158\.21|6\.123\.175\.19)7|3\.16(?:2\.116\.162|8\.140\.216)|7\.123\.165\.200)|9(?:0\.(?:1(?:83\.231\.135|94\.118\.37)|245\.115\.242|30\.236\.34)|5\.(?:16(?:1\.(?:40\.10|9\.2)|0\.253\.4)|24\.209\.14)|8\.(?:106\.26\.(?:39|73)|245\.202\.252)|4\.1(?:58\.204\.250|70\.16\.85)|2\.35\.222\.101|9\.239\.254\.46|6\.3\.99\.190)|2(?:5\.(?:16(?:(?:3\.(?:166\.2|76\.)1|2\.226\.16)4|1\.127\.205)|20\.82\.197)|1\.(?:1(?:79\.38\.47|91\.7\.162)|52\.152\.2)|2\.1(?:28\.143\.234|67\.154\.47)|4\.1(?:58\.110\.64|24\.43\.32)|3\.(?:27\.79\.11|30\.9\.250)|8\.121\.191\.75)|8(?:9\.(?:80\.168\.141|53\.196\.2|19\.74\.9)|8\.2(?:07\.130\.206|17\.44\.38)|7\.141\.102\.198)|7(?:8\.(?:4(?:9\.255\.10[34]|4\.202\.59)|209\.230\.236|32\.64\.195)|3\.245\.79\.10[246])|63\.27\.119\.66)|2(?:0(?:2\.(?:1(?:52\.(?:194\.128|201\.37)|08\.3\.184)|28\.(?:66\.251|24\.99)|43\.74\.49)|8\.(?:131\.186\.2|43\.232\.34|70\.160\.13|93\.33\.10)|3\.(?:2(?:47\.149\.151|17\.176\.65)|153\.44\.130)|4\.(?:1(?:88\.168\.1|11\.83\.5)1|8\.46\.130)|1\.(?:144\.(?:51\.41|87\.45)|42\.50\.160)|7\.(?:210\.125\.31|42\.17\.240)|9\.237\.150\.140)|1(?:3\.(?:2(?:33\.64\.172|52\.99\.196)|186\.38\.38)|2\.1(?:18\.142\.77|74\.54\.222|99\.29\.145)|1\.(?:1(?:3\.204\.1|47\.3\.74)|58\.59\.73)|7\.(?:66\.146\.119|21\.247\.82|17\.42\.17)|0\.212\.163\.42|8\.248\.44\.196)|2(?:0\.(?:231\.(?:127\.2|69\.9)|84\.81\.87)|2\.(?:155\.227\.113|252\.223\.2))|4\.(?:1(?:4\.200\.76|5\.57\.67)|90\.100\.117))|9(?:3\.(?:1(?:25\.(?:40\.15|3\.19)|90\.104\.7)|91\.196\.(?:132|99))|1\.(?:1(?:95\.(?:136\.14|230\.11)|49\.162\.228)|203\.13\.205)|5\.(?:1(?:67\.107\.[23]|54\.240\.98)|223\.198\.146)|4\.(?:2(?:45\.156\.33|3\.60\.124)|141\.66\.245)|2\.(?:103\.162\.252|50\.192\.54)|9\.(?:64\.190\.182|90\.248\.73)|6\.226\.4\.60)|6(?:9\.(?:1(?:99\.1(?:64\.222|25\.66)|28\.87\.202|36\.164\.31)|6(?:4\.155\.181|3\.67\.130))|5\.1(?:10\.50\.1(?:6[4579]|8[23])|83\.197\.46)|7\.(?:1(?:89\.214\.92|9\.102\.194)|58\.92\.55)|8\.(?:151\.32\.176|58\.19\.180)|1\.1(?:6\.152\.83|9\.124\.35)|6\.143\.148\.249|4\.132\.187\.34)|8(?:0\.(?:9(?:3\.124\.12|5\.70\.173)|65\.16\.71)|(?:1\.255\.83\.19|5\.90\.193\.24)0|2\.(?:193\.140\.168|209\.255\.134)|4\.1(?:09\.202\.211|5\.191\.254)|8\.(?:255\.153\.106|177\.32\.62)|9\.2(?:18\.52\.234|51\.226\.16)|6\.3(?:5\.180\.44|6\.49\.1)|3\.142\.111\.228|7\.126\.253\.24)|7(?:7\.(?:(?:228\.214\.5|89\.249\.22|92\.159\.10|31\.69\.7)2|74\.67\.194)|2\.(?:46\.153\.2(?:2[01]|18)|11\.73\.36|54\.21\.45)|(?:8\.30\.234\.24|5\.73\.139\.3|4\.50\.95\.1)0|1\.(?:198\.120\.233|93\.100\.208|83\.252\.96)|6\.(?:161\.241\.115|29\.228\.192)|0\.121\.169\.97)|4(?:1\.(?:137\.(?:(?:24|30|56)\.4|63\.20[123])|20(?:3\.190\.102|6\.13\.3)|74\.165\.21|0\.71\.190)|6\.254\.128\.34)|5(?:8\.(?:47\.128\.211|150\.55\.59)|0\.22\.11\.22))\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(?:0[35]|18)|19[38])|3\.(?:15?|7)|5\.103)|206\.243)|3\.1(?:62\.(?:2(?:4[46]|25)|56)|0\.16[459])|0\.49\.(?:193|205)|6\.71\.21[568])|2(?:5\.23(?:4\.144|5\.192)|2\.55\.106)|9(?:0\.110\.155|5\.91\.70)|80\.1(?:31\.24|49\.8))|8(?:5\.(?:26\.(?:1(?:6[45]|8[36])|2(?:3[2345]|41))|115\.248)|3\.149\.(?:3[2678]?|2[18]|4[16])|1\.192\.(?:2(?:1[15]|38)|199)|9\.204\.1(?:37|53)|0\.83\.23[89]|2\.178\.69)|2(?:1(?:3\.(?:87\.(?:(?:11|7)4|8[01789]|9[012])|226\.63)|7\.(?:8\.2(?:3[68]|25)|118\.(?:83|90)|66\.146))|0(?:3\.(?:152\.2|82\.95)|2\.152\.243))|41\.(?:95\.(?:[248]|1[02])|254\.[01]|190\.2)|6(?:1\.19\.6[567]|6\.87\.0)|59\.99\.1(?:5[234]|28)|77\.232\.143)\.[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