## khop-sc-neighbors.cf v 20140142 ## 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-sc-neighbors.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 meta __KHOP_SC_EXCLUSIONS __VIA_ML || __freemail_safe || __RCVD_IN_DNSWL || RCVD_IN_HOSTKARMA_WL # 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(?:17|86)|9?5)(?:\.[012]?\d{1,2}){3}\b) / # and gets cleaned up a bit meta KHOP_SC_CIDR8 __KHOP_SC_CIDR8 && !__KHOP_SC_EXCLUSIONS describe KHOP_SC_CIDR8 Relay CIDR /8 is among worst in SpamCop tflags KHOP_SC_CIDR8 nopublish score KHOP_SC_CIDR8 0.1 0.02 0.2 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 # 1.5335/0.5063 0.752 20130629@465k net, solo=1.5947/0.5379@0.748 # 2.0256/0.7432 0.732 20130705@376k solo=2.0429/0.7595@0.729, ->.1 .02 .2 .1 header __KHOP_SC_TOP_CIDR8 X-Spam-Relays-Untrusted =~ /^[^\]]* (?:by|ip)=(?-xism:\b(?:1(?:78|90)|37|2)(?:\.[012]?\d{1,2}){3}\b) / meta KHOP_SC_TOP_CIDR8 __KHOP_SC_TOP_CIDR8 && !__KHOP_SC_EXCLUSIONS describe KHOP_SC_TOP_CIDR8 Relay CIDR /8 leads SpamCop in worst /8s tflags KHOP_SC_TOP_CIDR8 nopublish score KHOP_SC_TOP_CIDR8 0.1 0 0.1 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 # 3.6096/0.2502 0.935 20130629@465k net, solo=3.7125/1.5080@0.711 # 4.1386/0.8450 0.830 20130705@376k solo=4.1707/1.5958@0.723 ->.1 0 .1 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 0.4 0.1 0.4 0.1 # 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 exclns -> 1 .2 1 .2 # crap, still empty 20130629@465k net # crap, still empty 20130705@376k net. lowering for low vol -> .4 .1 .4 .1 header KHOP_SC_TOP_CIDR16 Received =~ /(?-xism:\b(?:8(?:4\.228|9\.137)|9(?:2\.84|4\.96)|190\.247)(?:\.[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 0.6 0.2 0.7 0.3 # 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 # 0.0140/0 1.000 20130629@465k net # 0/0 - 20130705@376k lowering for low vol -> .6 .2 .7 .3 # http://spamcop.net/w3m?action=map;net=cmaxcnt;mask=65535;sort=spamcnt header KHOP_SC_CIDR24 Received =~ /(?-xism:\b(?:1(?:0(?:1\.15\.30|6\.3\.32)|73\.208\.22[27]|21\.54\.5[48])|2(?:1(?:3\.135\.113|2\.67\.215|9\.140\.69)|06\.214\.87)|58\.25(?:1\.146|4\.172)|46\.102\.186)\.[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 0.6 0 0.6 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 # 0.0004/0 1.000 20130629@465k net # 0.4428/0 1.000 20130705@376k resume scores -> .6 0 .6 0 header KHOP_SC_TOP_CIDR24 Received =~ /(?-xism:\b(?:1(?:9(?:8\.143\.1(?:32|50)|0\.234\.10[56])|2(?:1\.17\.125|5\.60\.156|0\.84\.13)|15\.82\.2(?:44|52)|81\.66\.15[67]|03\.240\.254|57\.250\.132)|2(?:22\.100\.234|17\.23\.12|4\.244\.23)|9(?:1\.218\.115|4\.20\.224)|(?:88\.196\.6|31\.14\.2)3|70\.98\.78)\.[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 1.7 0.5 1.7 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 # 0.1483/0 1.000 20130629@465k net # 0.0197/0 1.000 20130705@376k -> 1.7 .5 1.7 .5 # http://www.spamcop.net/w3m?action=hoshame header KHOP_SC_TOP200 Received =~ /(?-xism:\b(?:1(?:1(?:2\.(?:2(?:20\.(?:224\.59|67\.130)|16\.(?:48\.25|55\.16)2)|184\.172\.244)|(?:4\.2(?:07\.113\.10|47\.23\.6)|6\.193\.90\.2)6|8\.(?:1(?:29\.166\.86|63\.29\.53)|97\.95\.185)|9\.(?:194\.153\.187|201\.16\.211|42\.147\.114)|5\.8(?:2\.2(?:44\.203|52\.220)|8\.119\.132)|(?:0\.189\.168\.17|3\.161\.96\.21)1|1\.207\.163\.179)|2(?:1\.1(?:5(?:1\.122\.45|8\.198\.78|9\.11\.164)|3(?:4\.238\.129|7\.91\.42)|7\.125\.(?:1[34567]|20)|81\.252\.228)|4\.(?:95\.155\.(?:27|58)|160\.35\.2)|5\.(?:88\.123\.244|143\.97\.97)|2\.1(?:82\.28\.245|55\.0\.44)|0\.50\.86\.3)|9(?:8\.143\.1(?:50\.2(?:4[03679]|3[0125]|5[02]|29)|32\.23[57])|0\.(?:8(?:2\.89\.156|\.44\.77)|54\.13\.106)|5\.20(?:0\.171\.162|5\.237\.15)|4\.1(?:77\.40\.195|06\.16\.6))|8(?:3\.1(?:06\.1(?:45\.24|50\.78)|81\.38\.90)|0\.149\.96\.1(?:69|70)|4\.82\.123\.85|8\.252\.0\.237)|7(?:3\.208\.2(?:2(?:2\.(?:10[689]|98)|7\.(?:10|9))|15\.164)|5\.96\.176\.204)|4(?:0\.137\.(?:12\.10|207\.3)2|8\.223\.59\.140|\.63\.74\.204)|0(?:1\.(?:15\.30\.58|79\.5\.19)|6\.3\.32\.153)|34\.255\.246\.102|62\.248\.79\.[23]|\.234\.38\.106)|2(?:1(?:7\.(?:23\.12\.(?:1(?:5[34]|61)|202)|13\.154\.155|8\.255\.194)|0\.(?:1(?:83\.179\.(?:4[45]|39)|76\.252\.201)|0\.203\.76)|(?:9\.14(?:0\.69\.12|7\.172\.)|6\.191\.208\.20)2|3\.(?:1(?:35\.113\.197|71\.39\.154)|81\.164\.57)|1\.(?:54\.17\.20[01]|115\.89\.141|230\.74\.17)|8\.(?:234\.108\.13|71\.140\.226|159\.9\.7)|2\.(?:144\.254\.122|67\.215\.159))|0(?:2\.(?:1(?:(?:30\.114\.13|29\.216\.6|58\.39\.25)0|18\.236\.178|42\.203\.19)|2(?:07\.1\.234|34\.40\.41)|71\.136\.200|53\.13\.187)|0\.(?:1(?:11\.103\.68|75\.56\.190)|7(?:2\.11\.132|9\.27\.60))|1\.(?:116\.199\.34|77\.202\.68)|3\.23(?:8\.64\.250|9\.45\.202))|2(?:1\.(?:2(?:3(?:2\.144\.164|4\.24\.46)|14\.2(?:08\.226|14\.187))|1(?:53\.158\.37|65\.38\.226))|2\.(?:100\.234\.251|99\.202\.239|73\.93\.153)|0\.(?:130\.142\.42|68\.224\.45))|4\.157\.46\.197)|8(?:3\.(?:18\.234\.202|238\.208\.55)|8\.(?:255\.229\.10|196\.63\.25)|1\.(?:192\.48\.16|211\.80\.2)2|0\.193\.214\.226|2\.117\.194\.229|9\.207\.128\.165|6\.64\.142\.28)|9(?:1\.218\.115\.1(?:6[23589]|3[023]|8[67])|3\.1(?:57\.148\.102|88\.8\.67)|4\.77\.199\.148|5\.211\.135\.83)|6(?:1\.(?:106\.235\.180|84\.94\.15)|9\.198\.197\.156|5\.255\.80\.152|7\.90\.21\.150)|7(?:7\.106\.232\.178|5\.129\.57\.164|0\.50\.252\.70|2\.35\.20\.131|4\.9\.203\.186)|5(?:9\.1(?:25\.240\.239|1\.98\.232)|0\.199\.80\.33|8\.64\.207\.80)|3(?:1\.14\.23\.(?:5[0156789]|4[5789]|6[02])|7\.123\.98\.115)|4(?:1\.(?:137\.2[04]\.4|63\.166\.3)|6\.102\.186\.18[348]))\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 # 2.6827/0.0069 0.997 20130629@465k net # 2.9091/0.0056 0.998 20130705@376k # 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(?:1\.176\.(?:(?:12|8)[4567]|7[01245789]?|[46][89]?|5[01]?)|6\.207\.(?:1[2345]|6[0123]|4[89]|5\d)|5\.63\.(?:[89]|1[012345])|3\.56\.2(?:4[89]|5[01])|2\.215\.[46]4|9\.36\.21[23]|0\.205\.35)|8(?:3\.9(?:3\.(?:1[12][45]|9[89])|5\.6[67])|6\.(?:251\.14[123]|37\.203)|1\.66\.15[67]|0\.255\.248)|2(?:(?:3\.136\.10|5\.60\.15)6|2\.155\.34|1\.54\.58)|0(?:3\.24(?:(?:0\.11|2\.)7|3\.190)|9\.127\.8[06])|9(?:0\.234\.10[56]|7\.252\.[01]|8\.50\.188)|30\.193\.1(?:4[67]|65)|77\.36\.22)|2(?:7\.20\.(?:[89]|1(?:0[0123]?|[28][89]|[39][01]|7[6789]|1)|24[01234567]|4[0123]|5[6789])|0(?:3\.191\.26|6\.214\.87)|4\.244\.23)|58\.(?:5(?:0\.(?:1(?:[2345]|0[456789]|1\d)|68|70)|4\.18[456])|19\.19[01])|41\.2(?:54\.[2568]|23\.162)|7(?:9\.106\.109|0\.98\.78)|88\.217\.18[01])\.[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 # 0.4298/0 1.000 20130629@465k net # 1.0958/0 1.000 20130705@376k # 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 # 0.5785/0 1.000 20130629@465k net # 1.5583/0 1.000 20130705@376k 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 # 0.0140/0 1.000 20130629@465k net # 0/0 - 20130705@376k 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 # 5.1431/0.7565 0.872 20130629@465k net # 6.1642/1.5881 0.795 20130705@376k 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 # 0.5925/0 1.000 20130629@465k net # 1.5583/0 1.000 20130705@376k # 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