## khop-sc-neighbors.cf v 20110291 ## 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]|22)|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 0.2 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:\b118\.96(?:\.[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(?:13\.1(?:62\.237|0\.162)|78\.49\.255|87\.45\.193|21\.54\.54)|21(?:(?:3\.233|8\.248)\.64|7\.118\.81)|6(?:4\.202\.123|2\.183\.85|6\.87\.0)|8(?:5\.26\.2(?:3[24]|25)|3\.149\.21)|9(?:5\.129\.166|1\.203\.67)|41\.254\.1)\.[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(?:3\.(?:87\.(?:1(?:28|36)|74)|2(?:26\.63|33\.64))|7\.(?:118\.(?:83|90)|66\.146|8\.225))|0(?:(?:1\.191\.1|3\.82\.)95|9\.(?:212\.153|51\.150)|4\.45\.239))|8(?:5\.(?:26\.(?:2(?:3[2345]|41)|16[45])|115\.248)|1\.192\.(?:2(?:11|38)|199)|(?:0\.83\.23|2\.178\.6)9|3\.149\.(?:3[68]?|2[18]))|1(?:1(?:3\.10\.16[234789]|4\.112\.24[34])|95\.(?:161\.9|91\.70)|74\.36\.86)|7(?:7\.232\.14[23]|9\.106\.109)|41\.(?:254\.[01]|137\.24)|58\.64\.187|98\.139\.91|61\.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(?:2(?:0(?:9\.(?:2(?:12\.153\.2(?:1[378]|2[02])|50\.231\.242)|51\.150\.1(?:8[68]|90)|97\.216\.173)|2\.(?:1(?:52\.194\.128|86\.96\.91|90\.70\.85)|28\.24\.99|64\.77\.93)|(?:3\.(?:211\.134\.8|142\.35\.9)|6\.188\.209\.1)8|4\.(?:45\.239\.7[456]|57\.111\.194|8\.46\.130)|0\.(?:234\.220\.32|98\.246\.205|80\.13\.66)|1\.(?:232\.85\.222|76\.50\.44)|5\.209\.97\.1(?:[57]3|17)|7\.57\.124\.67|8\.131\.186\.2)|1(?:7\.(?:1(?:1(?:5\.195\.160|8\.128\.95)|8\.75\.157)|2(?:3\.48\.2|6\.6\.96)|9\.147\.115)|0\.(?:1(?:22\.170\.6|\.58\.182)|245\.85\.179|48\.154\.253)|2\.(?:1(?:46\.157\.10|56\.124\.58)|67\.210\.18)|(?:3\.251\.168\.21|8\.248\.44\.19)6|6\.(?:176\.16\.202|246\.29\.190)|9\.255\.47\.215)|4\.1(?:1\.192\.241|32\.97\.18)|22\.252\.223\.2)|1(?:9(?:5\.(?:1(?:6(?:0\.253\.4|1\.9\.2)|55\.1\.55)|59\.100\.62)|0\.(?:12\.80\.150|228\.29\.85)|8\.106\.(?:183\.189|26\.54)|4\.150\.113\.81|6\.40\.84\.102)|7(?:3\.(?:2(?:24\.213\.138|10\.25\.146)|188\.181\.141)|8\.(?:(?:202\.158\.11|32\.64\.19)5|49\.255\.104)|4\.(?:36\.8(?:6\.11[34]|7\.194)|121\.154\.16))|8(?:8\.(?:2(?:07\.130\.206|\.109\.88)|154\.157\.104)|7\.(?:45\.193\.174|75\.174\.41)|4\.154\.138\.11[39]|9\.220\.47\.19)|2(?:2\.252\.234\.75|5\.20\.82\.196|\.199\.5\.2)|1(?:1\.224\.250\.134|2\.78\.2\.87)|62\.(?:84\.93\.177|40\.15\.81)|09\.(?:228\.251\.22|0\.18\.)5)|6(?:2\.(?:1(?:29\.228\.131|49\.36\.40|68\.65\.18|\.206\.139)|21(?:2\.216\.249|9\.136\.238)|83\.172\.159)|7\.(?:1(?:7(?:5\.115\.169|6\.137\.222)|67\.53\.212|97\.83\.211)|(?:228\.24\.12|58\.92\.5)5)|6\.(?:1(?:43\.148\.249|22\.80\.241)|239\.77\.194|67\.57\.149|94\.77\.202)|9\.(?:1(?:99\.164\.222|81\.9\.71)|64\.(?:155\.181|43\.148)|36\.181\.87)|1\.(?:19\.2(?:49\.216|50\.44)|67\.246\.2(?:26|37)|221\.67\.9[46])|4\.(?:202\.123\.24[678]|148\.129\.140|90\.72\.43)|0\.(?:199\.201\.120|234\.72\.175)|5\.19\.226\.15|8\.51\.70\.20)|8(?:3\.(?:1(?:7(?:3\.164\.10|4\.198\.33)|68\.(?:104\.70|75\.9)|42\.111\.228)|96\.132\.20)|7\.(?:2(?:30\.27\.184|53\.162\.10)|106\.(?:251\.156|81\.103))|8\.(?:19(?:0\.12\.240|1\.78\.136)|255\.153\.106)|9\.(?:2(?:22\.240\.66|55\.61\.93)|161\.189\.62)|5\.(?:25\.1(?:35\.200|48\.243)|17\.91\.123)|1\.(?:66\.233\.121|0\.233\.90)|2\.193\.140\.168|4\.15\.191\.254|0\.95\.70\.173)|7(?:4\.(?:2(?:08\.167\.179|54\.146\.125|12\.153\.2)|50\.(?:94\.234|85\.16)|86\.134\.138)|1\.(?:2(?:06\.240\.131|39\.144\.233)|1(?:25\.12\.15|60\.96\.90)|75\.126\.103)|(?:5\.126\.237\.13|2\.47\.254\.5)0|0\.(?:140\.251\.110|45\.101\.42)|6\.(?:30\.91\.104|98\.97\.173)|7\.243\.231\.55|9\.70\.233\.81)|9(?:1\.1(?:21\.(?:80\.194|28\.86|9\.8)|37\.131\.53|95\.230\.14)|(?:4\.(?:102\.209\.9|23\.245\.12)|9\.109\.207\.17)4|5\.(?:1(?:73\.163\.206|54\.240\.98)|62\.161\.69)|8\.(?:142\.216\.41|223\.13\.44)|3\.(?:190\.104\.7|91\.196\.99)|7\.(?:85\.34\.13|93\.177\.5)|6\.226\.4\.60)|4(?:1\.(?:137\.(?:(?:24|30|56)\.4|63\.203)|76\.168\.1)|6\.17\.121\.1)|5(?:8\.15(?:8\.161\.236|0\.55\.59)|9\.1(?:48\.218\.18|58\.239\.)2))\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(?:4(?:1\.(?:248|64|80)|2\.1(?:48|84))|00\.1(?:78|82))|3\.1(?:62\.2(?:2[59]|4[46]|38)|0\.16[278])|0\.49\.(?:193|205)|4\.112\.24[34])|2(?:(?:1\.101\.2|2\.55\.1)06|5\.23(?:4\.144|5\.192))|9(?:0\.110\.155|6\.202\.214|5\.91\.70)|8(?:8\.146\.(?:127|255)|0\.149\.8)|78\.49\.255|01\.78\.31)|2(?:1(?:3\.(?:87\.(?:1(?:14|28|36)|8[089]|9[012]|7[46])|1(?:08\.173|62\.68)|226\.63)|7\.(?:8\.2(?:3[68]|25)|118\.(?:83|90)|66\.146))|0(?:1\.191\.19[58]|2\.152\.243|0\.85\.24|3\.82\.95))|8(?:5\.(?:26\.(?:1(?:6[45]|8[36]|55)|2(?:3[2345]|41))|115\.248)|3\.149\.(?:[89]|3[678]?|4[1456]|2[18])|1\.192\.(?:2(?:1[15]|38)|199)|9\.204\.1(?:37|53)|0\.83\.23[89]|2\.178\.69)|5(?:9\.9(?:9\.1(?:5[2345]|2[89]|30)|7\.2[01]8|8\.152)|8\.64\.187)|41\.(?:95\.(?:[48]|12)|254\.[0123])|6(?:1\.19\.6[567]|6\.87\.0)|77\.232\.142|91\.203\.67)\.[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