## khop-sc-neighbors.cf v 20100682 ## 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(?:88|90)|41|92)(?:\.[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|22)|59|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 =~ /(?-xism:\b(?:9(?:2\.113|5\.135)|59\.9[24]|122\.173|89\.137)(?:\.[012]?\d{1,2}){2}\b)/ 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:\b(?:1(?:2(?:2\.16[238]|3\.27)|1(?:5\.240|7\.197))|41\.(?:141|249)|81\.192)(?:\.[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(?:9(?:5\.93\.16|6\.40\.1)0|09\.(?:166\.128|95\.39)|74\.34\.184|13\.22\.69|21\.54\.32)|21(?:3\.(?:110\.96|233\.64)|7\.118\.8[12])|7(?:7\.232\.142|8\.138\.170)|41\.(?:137\.27|254\.1)|82\.113\.121|61\.97\.32)\.[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\.(?:23[2345]|16[45])|3\.149\.(?:21|3)|1\.192\.211|7\.252\.227|9\.232\.105|2\.178\.69)|1(?:1(?:1\.224\.250|5\.147\.237|7\.241\.252)|96\.12\.2(?:3[36]|4[45])|88\.135\.2)|2(?:1(?:7\.(?:8\.2(?:25|36)|118\.90)|3\.(?:233\.64|87\.76))|08\.53\.132)|7(?:7\.232\.14[23]|8\.138\.17[01]|4\.208\.166|9\.106\.109)|41\.(?:137\.(?:2[57]|30)|2(?:23\.20|54\.)1)|9(?:5\.129\.166|1\.203\.67|2\.39\.65)|6(?:7\.159\.14|1\.19\.66))\.[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(?:0\.(?:1(?:4(?:9\.229\.141|4\.74\.94)|82\.122\.218|67\.242\.32)|213\.71\.100)|3\.(?:1(?:0(?:7\.184\.19[23]|8\.38\.228)|69\.81\.36|98\.8\.211)|84\.90\.27)|5\.(?:1(?:8(?:2\.195\.212|9\.46\.253)|61\.9\.2)|95\.223\.26)|4\.(?:135\.105\.232|204\.203\.16|44\.247\.218|50\.9\.114)|6\.(?:201\.207\.182|12\.226\.220))|2(?:1\.(?:1(?:27\.173\.215|\.18\.24[24])|5(?:2\.155\.134|0\.16\.11))|2\.(?:252\.2(?:46\.23|34\.7)4|34\.215\.210)|(?:5\.20\.82\.19|\.97\.188\.1)7|4\.124\.4(?:3\.32|4\.10)|8\.134\.57\.75)|1(?:1\.(?:224\.250\.1(?:3[01234]|29)|125\.252\.234)|5\.(?:95\.25\.4[23]|117\.35\.158|248\.72\.217)|8\.1(?:02\.149\.162|61\.246\.185)|2\.1(?:72\.66\.171|85\.70\.224))|7(?:4\.(?:1(?:37\.41\.19[89]|23\.41\.10)|34\.184\.20[19])|3\.224\.212\.74)|8(?:7\.85\.135\.190|6\.24\.16\.3|8\.18\.3\.18)|09\.166\.1(?:28\.0|36\.1)|40\.113\.139\.125|68\.188\.16\.78)|2(?:1(?:7\.(?:1(?:7(?:4\.2(?:29\.22|32\.1)1|3\.21\.5)|2\.118\.108|50\.38\.21)|76\.2\.129|26\.6\.64)|1\.(?:1(?:9(?:1\.174\.141|9\.79\.198)|15\.140\.4|3\.204\.1)|61\.34\.22)|0\.(?:1(?:19\.108\.35|22\.170\.6)|213\.139\.90|93\.109\.205)|2\.(?:1(?:11\.199\.170|87\.62\.21)|64\.167\.254)|3\.(?:133\.17\.248|226\.144\.65|42\.182\.27)|9\.(?:70\.78\.163|95\.45\.29)|6\.155\.39\.(?:11|23)|8\.248\.44\.196)|0(?:1\.(?:1(?:16\.140\.246|44\.130\.21)|47\.204\.176)|8\.53\.1(?:32\.(?:2(?:5[12]|38)|18[12])|70\.63)|0\.(?:(?:80\.140\.6|70\.23\.5)1|107\.125\.82)|3\.(?:153\.(?:44\.130|39\.18)|91\.117\.3)|9\.(?:239\.47\.205|94\.196\.170)|2\.(?:170\.81\.148|78\.174\.16))|2(?:2\.(?:2(?:37\.162\.200|52\.223\.2)|124\.178\.158)|0\.(?:82\.69\.(?:10|23)|255\.122\.21)|1\.143\.46\.33)|4\.107\.57\.1)|8(?:0\.(?:5(?:7\.187\.143|0\.132\.50|3\.32\.122)|93\.125\.186|218\.50\.23|65\.16\.71)|2\.1(?:14\.(?:89\.162|90\.246|70\.54)|(?:40\.91\.4|69\.73\.1)1|93\.140\.168)|7\.2(?:52\.227\.(?:7[26]|8[48]|[39]2|4?4)|26\.242\.7)|3\.(?:1(?:01\.72\.196|6\.167\.14)|234\.113\.114)|5\.(?:221\.208\.223|152\.101\.99|8\.19\.170)|8\.(?:183\.90\.127|42\.117\.185)|1\.(?:192\.103\.84|21\.115\.38)|4\.5(?:4\.142\.173|1\.21\.46)|9\.37\.112\.70)|6(?:1\.(?:1(?:00\.228\.61|14\.96\.186|9\.71\.77)|7\.230\.226|97\.32\.104)|2\.(?:1(?:63\.240\.135|74\.85\.186)|33\.239\.132|76\.93\.4)|4\.(?:16(?:4\.228\.206|5\.253\.230)|244\.130\.98)|0\.(?:198\.121\.100|51\.225\.213)|7\.159\.14\.(?:9[123]|117)|5\.39\.182\.1(?:69|70)|9\.151\.79\.238|6\.151\.5\.131)|7(?:4\.(?:86\.21\.22[23]|208\.166\.151|92\.90\.58)|9\.1(?:40\.108\.14|87\.150\.12)2|7\.(?:23\.50\.83|73\.139\.2)|2\.51\.47\.1(?:75|87)|6\.227\.84\.105|8\.40\.254\.1)|9(?:1\.(?:2(?:14\.128\.2[04]|07\.244\.1)|1(?:95\.136\.14|49\.173\.2))|4\.(?:2(?:32\.(?:12\.20|59\.33)|12\.16\.61)|79\.49\.11[47])|3\.(?:178\.225\.143|91\.196\.99))|41\.1(?:90\.239\.178|41\.255\.22)|5(?:8\.27\.132\.51|9\.6\.146\.24))\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(?:7\.(?:2(?:0(?:0\.(?:1(?:7[679]?|4[468]|8[01]|9[23]|61?|28)|2(?:08|24)|3[25]|55|96)|5\.(?:1(?:[67]|0[12]|4[56]|29)|9[6789]|3[23]|64)|1\.(?:4[89]|5[01]|113|65)|4\.(?:16[023]|240|82)|6\.33)|4(?:1\.(?:2(?:1[67]|2[48]|4[01]|5[23]|00|32)|1(?:[59]2|44)|8[018]?|5[67])|2\.(?:1(?:3?2|9?6|08|44)|4[04]?|[26]?8|5)))|19(?:9\.(?:1(?:6[01235]|7[6789]|4[67]|8[01]|9[23]|14)?|4[89]|80|3)|7\.(?:2(?:48|1)|6[45678]|9[678]|5[02]|[14]9)|6\.(?:2(?:09|10|24)|1(?:30|76))|8\.(?:[02]|(?:16)?1|3[24]?|48)|4\.96|5\.65))|5\.147\.(?:2(?:3[0127]|0[123]|29)|192)|3\.(?:22\.(?:6?9|10|8)|162\.77)|9\.48\.19[2345678]|6\.74\.1(?:08|15)|0\.49\.204|8\.68\.253|4\.79\.55)|22\.1(?:6(?:8\.(?:2(?:[69]|0[35679]|1[0127]|5[235]|2[02]|4[24])|1[68]|30)|1\.8[12]|3\.160)|72\.116)|9(?:6\.12\.2(?:4[345]|3[36])|4\.230\.146)|88\.135\.2)|2(?:1(?:7\.(?:118\.(?:82|90)|8\.2(?:25|36)|66\.146)|3\.(?:87\.(?:(?:19|6)4|76)|108\.172)|2\.(?:23\.104|49\.90))|0(?:2\.(?:70\.5[489]|152\.243)|1\.191\.198|3\.171\.196))|5(?:9\.9(?:9\.(?:1(?:6[01]?|5[23]|28|30)|2[456]|5[67]|6[45]|40)|4\.(?:1(?:1[235]|28)|74)|8\.1(?:[59]2|28|44|76)|7\.2(?:1[67]|24)|3\.34)|8\.187\.8)|8(?:5\.26\.(?:1(?:6[45]|8[36])|2(?:3[2345]|41))|3\.149\.(?:3[26]?|2[18]|4[45])|2\.1(?:13\.121|78\.69)|1\.192\.(?:199|211)|9\.232\.105)|41\.(?:2(?:54\.[012]|23\.201)|137\.(?:2[57]|30))|9(?:2\.39\.(?:7[079]|65)|1\.203\.67|3\.84\.1)|7(?:7\.232\.14[23]|8\.138\.17[01])|61\.19\.6[567])\.[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