## khop-sc-neighbors.cf v 201107261 ## 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(?:8[79]|90)|201)(?:\.[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|82)|41)(?:\.[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:\b178\.123(?:\.[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(?:1(?:3\.233\.64|7\.118\.81)|00\.88\.234|20\.190\.60)|12(?:5\.110\.(?:1(?:2[0123]|1[13]|01)|96)|4\.11\.146))\.[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(?:1(?:25\.(?:110\.1(?:1[47]|26)|234\.144)|11\.2(?:24\.250|49\.193)|75\.96\.(?:113|56)|80\.232\.10[45]|09\.127\.86)|2(?:1(?:7\.(?:118\.(?:83|90)|66\.146)|3\.87\.74)|20\.190\.(?:4[12]|56))|8(?:5\.(?:26\.(?:2(?:3[12345]|41)|18[46])|115\.248)|3\.149\.3)|60\.181\.161|46\.249\.0)\.[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(?:2(?:5\.110\.(?:1(?:2(?:1\.(?:1(?:36|87)|[28]1|55)|6\.(?:2(?:18|54)|160)|0\.(?:172|209)|2\.141|3\.205)|1(?:3\.(?:1(?:40|59)|22)|4\.(?:22[07]|187)|2\.(?:1[23]|79)|1\.180|7\.115)|0(?:7\.(?:180|213|59)|1\.214|3\.200|6\.242))|9(?:6\.1(?:47|3)|7\.(?:62|89)|8\.67))|2\.(?:1(?:26\.1(?:30\.242|28\.15)|60\.25\.121|55\.7\.128)|(?:248\.11\.5|55\.106\.)4)|4\.(?:30\.164\.138|11\.146\.99|9\.131\.122|7\.20\.77)|1\.1(?:49\.122\.44|80\.50\.96)|3\.(?:194\.16|204\.79)\.16)|1(?:8\.(?:4(?:5\.(?:115\.1(?:33|42)|243\.3)|1\.231\.58)|168\.166\.234|232\.98\.98)|1\.(?:2(?:49\.(?:193\.155|73\.219)|51\.178\.62)|185\.231\.71)|4\.(?:4(?:4\.131\.205|6\.106\.61)|3(?:7\.111\.232|3\.177\.8))|5\.(?:23\.14\.112|91\.153\.84)|9\.20(?:1\.63\.110|6\.166\.22)|3\.193\.186\.90|7\.211\.85\.186)|9(?:5\.(?:2(?:10\.173\.227|06\.40\.163|22\.40\.198)|1(?:8(?:9\.234\.244|6\.81\.82)|61\.9\.2)|7(?:8\.124\.(?:19|20)|0\.47\.165))|(?:4\.126\.183\.12|3\.39\.118\.3)0|0\.147\.157\.171)|7(?:8\.(?:175\.105\.253|63\.11\.20)|5\.96\.(?:113\.233|56\.221)|7\.10\.192\.86)|8(?:(?:6\.(?:114\.175\.6|6\.107\.22)|2\.93\.52\.20)6|3\.105\.182\.238)|09\.(?:(?:230\.58\.11|70\.184\.2)2|172\.59\.153|96\.47\.11)|58\.250\.33\.227|63\.15\.203\.2)|9(?:2\.(?:8(?:(?:0\.181\.15|3\.115\.)5|2\.14\.126)|127\.(?:141\.206|208\.210)|48\.1(?:05\.248|24\.34)|54\.124\.44)|5\.(?:1(?:8(?:0\.162\.234|1\.2\.129)|67\.74\.42|91\.153\.7)|226\.174\.13|77\.144\.99|83\.130\.82)|3\.(?:7(?:2\.(?:183\.254|239\.221)|(?:9\.87\.15|3\.16\.6)3)|157\.148\.102|94\.217\.36)|1\.(?:2(?:0(?:5\.147\.194|3\.67\.208)|19\.88\.30)|1(?:92\.165\.162|21\.80\.194))|4\.(?:127\.223\.112|62\.190\.134))|2(?:2(?:0\.(?:1(?:90\.(?:4(?:1\.(?:140|208)|4\.158|2\.9)|6(?:0\.193|2\.254|3\.20)|56\.(?:118|72|96))|20\.139\.247)|71\.140\.2)|2\.(?:231\.57\.191|99\.35\.49))|1(?:3\.(?:151\.124\.193|229\.109\.225|79\.99\.118)|(?:8\.186\.90\.7|9\.85\.84\.11)5|1\.(?:152\.51\.126|45\.156\.111)|7\.114\.13\.127)|0(?:2\.1(?:64\.49\.210|42\.100\.2)|9\.239\.40\.14)|4\.12\.107\.121)|8(?:9\.(?:1(?:8(?:9\.169\.77|4\.1\.232)|05\.158\.103|41\.4\.180)|(?:73\.215\.22|204\.8\.6)6)|5\.(?:1(?:(?:98\.186\.2|20\.66\.)34|0\.136\.151)|233\.131\.2|9\.72\.33)|7\.(?:2(?:28\.107\.124|51\.173\.211)|118\.120\.240)|0\.(?:227\.12\.166|90\.171\.122)|4\.53\.196\.245|2\.195\.2\.121)|6(?:2\.(?:2(?:(?:04\.132\.21|17\.232\.)6|20\.33\.139)|1(?:50\.226\.219|65\.53\.126)|33\.191\.66)|1\.(?:(?:59\.241\.15|79\.24\.12)4|19\.(?:121\.50|250\.69)|35\.56\.2)|0\.181\.16(?:1\.(?:142|248)|3\.66|4\.37)|6\.96\.128\.(?:63|72|84))|7(?:8\.(?:128\.(?:26\.19|75\.7)|96\.86\.133)|9\.1(?:71\.126\.188|24\.92\.164)|7\.1(?:06\.232\.17|20\.241\.2)8)|4(?:6\.(?:16(?:0\.(?:89\.17|5\.5)6|4\.168\.213)|39\.18\.33)|1\.137\.(?:2[04]|56)\.4|9\.158\.26\.200))\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 =~ /(?-xism:\b(?:1(?:1(?:4\.112\.2(?:2[456789]|3[16])|1\.224\.250|2\.196\.254)|2(?:0\.86\.19[6789]|3\.146\.117|5\.234\.144|2\.155\.36)|(?:78\.172\.1|09\.127\.)86|80\.232\.105)|2(?:1(?:3\.87\.(?:1(?:2[012389]|3[467]|4[12])|74)|7\.(?:118\.(?:83|90)|66\.146))|23\.252\.1(?:6[1467]|7[15])|02\.152\.243)|8(?:5\.(?:26\.(?:2(?:3[12345]|41)|1(?:8[46]|55))|115\.248)|3\.149\.(?:[89]|4[4567]|38?))|46\.249\.0|61\.19\.66)\.[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