## khop-sc-neighbors.cf v 201309272 ## 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(?:18[68]|37|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(?:17|78|90)|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:\b89\.121(?:\.[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\.254|3\.30\.73)|21\.54\.54|84\.82\.53|41\.0\.61)|2(?:06\.214\.95|11\.119\.86|21\.4\.142|3\.229\.11)|75\.75\.2(?:25|40)|58\.254\.172)\.[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(?:98\.(?:24\.17[45]|50\.163|44\.0)|2(?:5\.60\.156|0\.84\.13)|78\.20\.148|03\.30\.72)|2(?:1(?:3\.132\.241|6\.155\.17)|06\.214\.71)|8(?:5\.25\.150|0\.86\.88)|41\.254\.5)\.[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(?:8(?:4\.(?:22\.(?:1(?:7(?:7\.5[12]|2\.145)|97\.216|1\.23)|2(?:(?:28\.6|8\.22)2|30\.213|7\.171))|82\.(?:53\.1(?:0[69]|43|1)|179\.117))|0\.(?:2(?:25\.148\.206|11\.179\.30)|166\.124\.90)|(?:8\.252\.0\.23|7\.75\.51\.6)7|3\.(?:136\.128\.22|22\.156\.9)6|9\.75\.63\.114)|9(?:8\.(?:24\.1(?:7(?:4\.16[67]|5\.[234]|3\.80)|80\.91)|50\.163\.19[39]|44\.0\.157)|0\.(?:107\.140\.77|40\.40\.2)|9\.30\.137\.10[67]|2\.163\.193\.199|5\.252\.108\.6)|1(?:8\.(?:217\.180\.116|175\.28\.3)|9\.(?:184\.214\.18|37\.195\.59)|3\.(?:21\.228\.230|0\.85\.249)|1\.250\.122\.128|2\.184\.172\.244|6\.193\.90\.26)|4(?:\.(?:(?:161\.65\.12|220\.57\.6)8|63\.74\.204)|1\.(?:255\.161\.102|0\.61\.166)|8\.223\.59\.187)|7(?:8\.2(?:13\.110\.115|0\.148\.11)|7\.1(?:84\.140\.222|\.223\.73)|3\.212\.205\.158)|0(?:1\.(?:15\.25(?:1\.176|4\.32)|44\.3\.50)|3\.9\.157\.12[679]|6\.187\.102\.215)|2(?:5\.(?:75\.235\.127|46\.24\.62)|1\.(?:22\.127|88\.54)\.17|4\.160\.35\.2)|\.(?:215\.206\.24|85\.17\.8)2|38\.91\.142\.2(?:10|35)|62\.216\.3\.1[45])|2(?:0(?:6\.214\.(?:71\.(?:5[012345789]|3[456789]|6[012]|4\d)|95\.(?:6[6789]|9[34]|70)|67\.(?:[29]|10))|3\.(?:1(?:00\.223\.21|71\.233\.24)3|239\.45\.202)|2\.1(?:18\.236\.17[78]|37\.22\.200)|1\.(?:116\.199\.34|221\.132\.83)|0\.(?:51\.45\.18|79\.27\.6)0|8\.84\.135\.14[78]|7\.194\.87\.105)|1(?:1\.(?:1(?:19\.86\.1(?:4[35678]|96)|74\.120\.123)|23\.152\.19)|0\.(?:183\.179\.(?:4[45]|39)|217\.56\.2|51\.23\.91)|3\.1(?:9(?:5\.77\.114|9\.248\.28)|32\.241\.13)|6\.155\.17\.(?:[349]|15)|8\.56\.37\.250|9\.147\.172\.2|2\.66\.60\.28)|2(?:1\.(?:2(?:14\.2(?:08\.226|14\.187)|04\.223\.38|34\.24\.46)|4\.142\.9[013])|0\.(?:142\.119\.8|68\.224\.4)5|2\.174\.(?:155\.19|54\.164))|3\.229\.11\.26|4\.172\.17\.78)|6(?:0\.(?:21(?:4\.223\.178|\.209\.150)|19(?:6\.58\.189|0\.25\.42))|9\.(?:198\.197\.156|64\.49\.109)|1\.14(?:3\.158\.24|1\.21\.3)4|5\.60\.15\.173|7\.90\.21\.150|8\.180\.96\.1)|7(?:5\.75\.2(?:25\.(?:10[01]|9[89])|40\.1(?:3[56789]|41))|(?:2\.35\.20\.13|8\.31\.74\.21)1|4\.86\.90\.242)|8(?:0\.(?:73\.71\.248|86\.88\.126)|5\.25\.1(?:50\.162|3\.104)|2\.117\.194\.229)|9(?:3\.1(?:8(?:4\.71\.66|8\.8\.67)|59\.160\.164)|0\.83\.184\.211)|5(?:8\.213\.157\.68|\.82\.184\.67)|4(?:1\.84\.135\.22|9\.1\.224\.9))\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]|[46][89]?|5[01]?|7\d?)|68\.32)|6\.207\.(?:1[2345]|6[0123]|4[89]|5\d)|3\.56\.2(?:4[589]|5[01]|25)|5\.63\.(?:[89]|1[012345])|2\.215\.(?:6[34]|44)|0\.52\.[0123]|9\.36\.21[23])|8(?:3\.9(?:3\.(?:9[78]|115|69|84)|5\.6[67])|(?:2\.18\.22|8\.73\.25)2|6\.(?:123\.135|37\.203)|1\.66\.15[67])|0(?:3\.(?:2(?:0\.3[79]|8\.184)|30\.72|1\.69|5\.27)|9\.127\.8[01]|8\.174\.193)|2(?:5\.(?:44\.24[0134567]|60\.156)|4\.107\.127|2\.155\.44)|9(?:0\.(?:113\.21[01]|234\.10[56])|7\.252\.[01])|7(?:3\.44\.232|7\.86\.46)|30\.193\.1(?:46|65)|42\.234\.186|63\.125\.144)|2(?:7\.20\.(?:[89]|1(?:0[0123]?|[28][89]|[39][01]|7[6789]|1)|24[01234567]|4[0123]|5[6789])|0(?:3\.19(?:4\.115|1\.27)|2\.29\.177)|1(?:6\.155\.20|2\.34\.12)|3\.106\.71)|5(?:8\.(?:50\.(?:1(?:[2345]|1[016789]|0[69])|71)|19\.19[01])|\.108\.221)|4(?:1\.254\.[1258]|9\.0\.11[89])|79\.106\.109|85\.153\.71)\.[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