## khop-sc-neighbors.cf v 201305252 ## 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 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 # 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(?:9[35]|186|2)(?:\.[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 0.3 0.1 0.3 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 header __KHOP_SC_TOP_CIDR8 X-Spam-Relays-Untrusted =~ /^[^\]]* (?:by|ip)=(?-xism:\b(?:1(?:17|78|90)|37)(?:\.[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 0.2 0 0.2 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 # 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 1.0 0.2 1.0 0.2 # 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 exclusions -> 1 .2 1 .2 header KHOP_SC_TOP_CIDR16 Received =~ /(?-xism:\b(?:178\.127|222\.252)(?:\.[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 0.3 2.0 0.4 # 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 # http://spamcop.net/w3m?action=map;net=cmaxcnt;mask=65535;sort=spamcnt header KHOP_SC_CIDR24 Received =~ /(?-xism:\b(?:2(?:0(?:(?:2\.107\.22|8\.82\.11)4|0\.31\.105)|21\.194\.128|17\.198\.3)|1(?:2(?:0\.128\.2|1\.54\.54)|89\.(?:108\.118|58\.251)|03\.30\.72)|87\.236\.232|61\.77\.210)\.[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 0.1 0 0.1 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 header KHOP_SC_TOP_CIDR24 Received =~ /(?-xism:\b(?:2(?:1(?:0\.(?:21\.225|51\.44)|7\.12\.248)|03\.210\.83|\.139\.178)|1(?:12\.9(?:0\.90|7\.33)|78\.151\.68|84\.82\.154|20\.84\.13)|42\.121\.127|80\.36\.130)\.[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 0.5 2.7 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 # http://www.spamcop.net/w3m?action=hoshame header KHOP_SC_TOP200 Received =~ /(?-xism:\b(?:1(?:1(?:7\.(?:2(?:11\.91\.147|0\.3\.231)|102\.116\.253)|2\.(?:90\.90\.(?:1[678]|2[012])|185\.80\.100)|3\.(?:1(?:32\.128\.8|07\.43\.7)5|31\.42\.30)|1\.(?:67\.103\.180|93\.108\.194)|8\.(?:129\.166\.86|97\.196\.163)|9\.1(?:61\.161\.188|93\.93\.25)|0\.93\.215\.186|5\.22\.80\.197)|8(?:9\.(?:(?:58\.251\.23|75\.63\.11)4|1(?:08\.118\.194|\.181\.53))|4\.82\.(?:1(?:5(?:9\.237|4\.51)|09\.14)|232\.167)|0\.(?:225\.131\.176|159\.216\.41)|5\.12\.14\.225|6\.226\.48\.16|8\.252\.0\.237)|9(?:0\.(?:8(?:2\.89\.156|5\.132\.83)|107\.140\.77)|9\.(?:180\.113\.1(?:1[36]|09)|255\.11\.29)|5\.1(?:38\.195\.125|91\.184\.82)|4\.(?:106\.16\.6|9\.15\.13))|0(?:8\.(?:174\.(?:202\.7|62\.16)8|62\.62\.235)|3\.9\.15(?:7\.181|8\.143|6\.89)|6\.187\.35\.127|1\.44\.12\.250|9\.195\.23\.55)|7(?:8\.(?:1(?:51\.68\.21|68\.43\.13)0|20\.148\.11)|3\.(?:192\.144\.105|212\.250\.230)|4\.36\.167\.116|7\.137\.0\.123)|2(?:8\.204\.197\.54|0\.50\.86\.3)|33\.242\.115\.44|42\.0\.46\.206|\.34\.158\.128)|2(?:0(?:8\.(?:8(?:2\.114\.(?:2[01469]|4[57]|39)|4\.135\.110)|71\.172\.(?:8[4579]|9[1234]))|2\.(?:1(?:0(?:9\.133\.181|7\.224\.20)|42\.203\.19)|71\.136\.200|29\.241\.57)|0\.(?:7(?:2\.11\.132|9\.27\.60)|142\.133\.21|31\.105\.172|206\.14\.26)|3\.(?:2(?:55\.15\.146|10\.83\.23)|93\.108\.142)|4\.13\.169\.3[67]|9\.190\.73\.156|1\.24\.129\.2)|1(?:0\.(?:2(?:1\.225\.2(?:3[259]|4[25]|52)|45\.89\.69)|5(?:1\.44\.199|6\.23\.100))|7\.1(?:(?:2\.248|98\.3)\.238|1\.177\.26)|(?:9\.143\.207\.14|8\.56\.37\.25)0|6\.15(?:3\.136\.125|8\.66\.190)|1\.1(?:47\.211\.16|15\.68\.32)|3\.230\.128\.226|2\.6\.152\.211)|2(?:1\.(?:1(?:94\.128\.22[34]|32\.35\.7)|2(?:32\.247\.27|\.144\.135))|2\.(?:2(?:31\.57\.104|11\.91\.20)|174\.54\.164|92\.112\.66)|3\.(?:4\.(?:179\.153|233\.162)|25\.242\.62)|0\.(?:225\.253\.12|94\.235\.200))|4\.127\.201\.172|7\.50\.140\.133|\.139\.178\.81)|6(?:1\.(?:1(?:6(?:4\.42\.158|6\.55\.153)|75\.223\.142|87\.186\.150|91\.27\.118|55\.159\.9)|2(?:8\.114\.3[3456]|52\.138\.195)|7(?:7\.210\.75|8\.109\.61))|6\.(?:199\.22(?:4\.(?:[4567]|1?3)|7\.19[78])|96\.213\.13[48]|84\.49\.9)|0\.(?:190\.25\.4|8\.63\.5)2|4\.120\.170\.138|9\.65\.43\.46)|5(?:8\.(?:2(?:54\.168\.(?:5[6789]|6[0123])|13\.157\.68)|151\.149\.118)|9\.(?:34\.57\.88|60\.7\.146)|\.39\.220\.228)|8(?:(?:0\.(?:36\.130\.13|70\.2\.18)|3\.238\.208\.5|4\.17\.27\.24)5|7\.236\.232\.231|2\.99\.246\.10)|9(?:2\.(?:255\.235\.215|51\.109\.182)|1\.205\.52\.253|5\.159\.105\.2)|7(?:2\.(?:42\.224\.(?:[4589]|1[13])|35\.20\.131)|5\.127\.110\.39)|4(?:1\.211\.125\.123|2\.121\.127\.201|6\.182\.24\.130)|37\.206\.210\.130)\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 # 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(?:9\.3(?:9\.19[234567]|6\.213)|0\.(?:205\.3[25]|52\.8)|3\.56\.2(?:4[89]|5[01])|2\.215\.44)|7(?:8\.172\.(?:1(?:5[234]|8[36])|229)|7\.47\.121)|2(?:1\.(?:54\.54|63\.16)|0\.84\.13)|03\.2(?:3\.248|0\.37)|42\.11\.228|83\.221\.13)|27\.(?:20\.(?:1(?:[28][89]|[39][01]|0[0123]|7[6789])|24[01234567])|187\.20[01236])|3(?:7\.(?:17\.11[2345]|59\.212)|1\.192\.243)|58\.50\.1(?:1[6789]|2)|91\.213\.148|85\.153\.31)\.[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 # 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 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 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 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 # 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