## khop-sc-neighbors.cf v 20100642 ## 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(?:22|88)|9[24])(?:\.[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|90)|59|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 =~ /(?-xism:\b(?:1(?:17\.197|22\.173)|95\.13[235]|59\.92)(?:\.[012]?\d{1,2}){2}\b)/ 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:\b(?:1(?:22\.16[238]|15\.240|96\.206)|41\.(?:141|249)|81\.192|92\.113)(?:\.[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(?:2(?:1(?:7\.118\.8[12]|3\.233\.64)|0(?:1\.220\.232|3\.87\.178)|22\.124\.178)|1(?:9(?:5\.93\.160|6\.12\.242)|09\.(?:166\.128|95\.39)|13\.22\.69)|7(?:8\.138\.170|9\.106\.109)|(?:41\.140\.25|61\.97\.3)2|8(?:2\.113\.121|0\.65\.16)|93\.186\.96)\.[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(?:7\.(?:8\.2(?:25|36)|118\.90)|3\.(?:233\.64|87\.76))|0(?:2\.(?:70\.5[1489]|152\.243)|8\.53\.132|9\.239\.47))|8(?:5\.26\.(?:2(?:3[234]|41)|1(?:6[45]|86))|3\.149\.(?:21|3)|1\.192\.211|7\.252\.227|9\.232\.105|2\.178\.69)|1(?:1(?:5\.147\.2(?:29|37)|1\.224\.250|4\.79\.55)|96\.12\.2(?:4[345]|3[36])|88\.135\.2)|7(?:7\.232\.14[23]|8\.138\.17[01]|4\.208\.166|9\.106\.109)|41\.(?:2(?:23\.20|54\.)1|137\.27)|9(?:5\.129\.166|1\.203\.67)|6(?:7\.159\.14|1\.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(?:1(?:9(?:5\.(?:1(?:8(?:2\.194\.195|9\.46\.253)|\.106\.231|61\.9\.2)|93\.160\.136|28\.0\.233|5\.35\.202)|3\.(?:1(?:0(?:7\.(?:184\.192|80\.11)|8\.38\.228)|98\.8\.211)|84\.90\.27)|0\.(?:14(?:9\.229\.141|4\.74\.94)|75\.226\.239|26\.97\.26)|4\.(?:135\.105\.232|204\.203\.16|50\.9\.114)|6\.(?:201\.207\.182|15\.226\.75))|2(?:1\.(?:1(?:27\.173\.215|\.18\.24[24])|5(?:2\.155\.134|0\.16\.11))|2\.(?:252\.234\.74|3\.253\.253)|3\.(?:143\.217\.90|30\.110\.96)|\.(?:68\.137\.216|97\.188\.17)|4\.124\.4(?:3\.32|4\.10)|5\.20\.82\.197|8\.134\.57\.75)|1(?:1\.(?:224\.250\.1(?:3[01234]|29)|125\.252\.234)|5\.(?:248\.102\.197|95\.25\.4[23]|117\.35\.158)|9\.200\.177\.2)|8(?:(?:0\.151\.249\.18|8\.18\.3\.1)8|6\.24\.(?:1[689]|2[013])\.3)|7(?:4\.123\.(?:26\.98|41\.2)|3\.224\.212\.74)|09\.166\.1(?:36\.[13]|28\.2)|68\.188\.16\.78)|2(?:0(?:3\.(?:1(?:53\.(?:44\.130|39\.18)|26\.183\.50|99\.72\.228|17\.89\.46)|213\.174\.37)|1\.(?:1(?:16\.140\.246|44\.130\.21)|220\.232\.(?:50|61))|8\.53\.1(?:32\.(?:2(?:5[12]|38)|18[012])|70\.63)|0\.(?:(?:80\.140\.6|70\.23\.5)1|107\.125\.82)|9\.(?:239\.47\.205|94\.196\.170)|2\.78\.174\.16)|1(?:7\.(?:1(?:7(?:4\.2(?:29\.22|32\.1)1|3\.21\.5)|39\.104\.218)|76\.2\.129|26\.6\.64)|1\.(?:1(?:9(?:1\.174\.141|9\.79\.198)|15\.140\.4|3\.204\.1)|61\.34\.22)|0\.(?:105\.155\.33|93\.109\.205)|2\.111\.(?:199\.170|203\.246)|3\.226\.144\.65|8\.248\.44\.196|6\.155\.39\.11)|2(?:2\.(?:2(?:37\.162\.200|52\.223\.2)|124\.1(?:56\.231|78\.158))|0\.(?:255\.122\.21|82\.69\.23)|1\.143\.46\.33)|4\.(?:212\.113\.56|107\.57\.1))|8(?:2\.(?:1(?:14\.(?:7(?:9\.163|0\.54)|89\.162|90\.246)|(?:40\.91\.4|69\.73\.1)1|93\.140\.168)|230\.229\.21)|1\.(?:1(?:92\.103\.84|7\.132\.43)|8(?:2\.203\.67|4\.95\.126)|21\.115\.38)|0\.(?:5(?:7\.187\.143|3\.32\.122)|93\.12(?:5\.186|4\.1)|65\.16\.71)|3\.(?:2(?:34\.113\.114|40\.139\.195)|1(?:01\.72\.196|6\.167\.14))|7\.252\.227\.(?:7[26]|8[48]|[39]2|4?4)|4\.5(?:1\.21\.(?:12|46)|4\.142\.173)|9\.(?:129\.117\.194|32\.198\.145)|8\.(?:183\.90\.127|85\.97\.38)|6\.154\.164\.225)|9(?:1\.(?:2(?:07\.(?:42\.(?:17|4)|210\.62)|14\.128\.2[04])|1(?:49\.173\.2|93\.199\.4))|3\.(?:9(?:1\.196\.(?:132|99)|5\.168\.122)|46\.23\.123)|4\.(?:79\.49\.11[47]|212\.16\.61)|5\.(?:155\.219\.127|53\.248\.42)|0\.149\.32\.88)|6(?:7\.(?:159\.14\.(?:11[47]|9[012])|217\.50\.44)|1\.(?:7\.230\.226|97\.32\.104|19\.71\.77)|4\.(?:165\.253\.230|244\.130\.98)|2\.(?:174\.85\.186|33\.239\.132)|9\.151\.79\.238|6\.7\.217\.167|5\.41\.13\.99)|7(?:4\.(?:208\.166\.151|82\.51\.193|92\.90\.58)|8\.(?:235\.1\.175|40\.254\.1|88\.236\.6)|7\.(?:23\.50\.83|73\.139\.2)|0\.234\.125\.150|9\.187\.150\.122)|41\.1(?:4(?:0\.252\.[123]|1\.255\.22)|90\.239\.178)|58\.27\.132\.51)\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(?:8(?:5\.26\.(?:2(?:3[2345]|41)|1(?:6[45]|86))|3\.149\.(?:2[18]|32?|44)|2\.1(?:13\.121|78\.69)|1\.192\.(?:199|211)|9\.232\.105)|1(?:1(?:5\.147\.2(?:3[17]|29)|7\.241\.56|4\.79\.55)|9(?:6\.12\.2(?:4[345]|3[36])|4\.230\.146)|88\.135\.2)|2(?:1(?:7\.(?:8\.2(?:25|36)|118\.90)|2\.23\.104|3\.87\.76)|02\.(?:70\.5[489]|152\.243))|41\.(?:2(?:54\.[012]|23\.201)|137\.27)|7(?:7\.232\.14[23]|8\.138\.17[01])|9(?:2\.39\.(?:65|79)|1\.203\.67)|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 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