## khop-sc-neighbors.cf v 20130722 ## 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 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 # 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[35])(?:\.[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(?:78|90)|37|2)(?:\.[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:\b123\.17(?:\.[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(?:1(?:1(?:4\.45\.(?:30|73)|8\.166\.248)|9(?:2\.198\.102|8\.15\.97)|83\.98\.23)|2(?:13\.230\.128|4\.127\.201)|96\.254\.22|65\.60\.15)\.[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(?:7(?:4\.36\.16[04]|7\.1\.223)|03\.9\.158|12\.97\.24)|208\.(?:71\.172|82\.114)|46\.32\.23[23]|37\.122\.208)\.[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(?:1(?:8\.(?:1(?:6(?:6\.2(?:4(?:8\.(?:226|64)|7\.137)|3(?:9\.228|4\.24)|09\.127)|8\.1(?:09\.193|12\.64))|29\.166\.86)|69\.(?:35\.147|55\.193)|97\.196\.163)|4\.(?:4(?:5\.(?:(?:12\.15|4\.3)4|237\.70|31\.129)|7\.159\.150)|207\.113\.55)|2\.(?:21(?:6\.181\.110|7\.228\.234)|78\.6\.1(?:31|88)|97\.24\.192)|5\.(?:88\.(?:119\.132|247\.131)|115\.81\.138|79\.205\.84)|1\.(?:2(?:55\.121\.234|40\.111\.32)|13\.47\.157)|3\.1(?:30\.70\.113|62\.97\.50)|0\.45\.1(?:36\.181|40\.89))|8(?:4\.(?:22\.1(?:1\.[45]|77\.50|0\.51)|107\.58\.135|82\.235\.212)|3\.(?:(?:81\.152\.22|98\.23\.15)8|101\.38\.202)|6\.(?:146\.152\.226|237\.39\.147|84\.207\.201)|8\.(?:127\.230\.28|252\.0\.237|95\.48\.216)|9\.(?:169\.20\.202|39\.35\.168)|7\.(?:120\.127\.27|4\.80\.188)|0\.211\.1(?:62\.254|79\.30))|9(?:9\.(?:30\.137\.13[89]|255\.11\.29)|5\.(?:138\.195\.125|29\.81\.30)|4\.(?:213\.122\.34|106\.16\.6)|8\.(?:15\.97\.43|24\.177\.2)|2\.198\.102\.(?:35|44)|3\.200\.126\.14|0\.85\.209\.11)|7(?:4\.3(?:6\.16(?:0\.157|4\.184|7\.116)|7\.167\.111)|3\.2(?:00\.90\.196|45\.31\.233)|8\.(?:163\.105\.52|20\.148\.11)|5\.197\.121\.20|7\.1\.223\.73)|2(?:3\.(?:1(?:10\.175\.202|42\.218\.89)|201\.60\.83)|1\.(?:134\.238\.12|78\.180\.1)9|2\.(?:166\.83\.7|3\.69\.5)8|0\.50\.86\.3)|0(?:3\.9\.15(?:8\.1(?:10|47)|7\.181|6\.89)|1\.101\.152\.4[567]|9\.69\.1\.125)|5(?:3\.127\.236\.15|8\.255\.2\.62)|33\.242\.115\.39|46\.255\.66\.191|\.215\.145\.134)|2(?:1(?:1\.(?:2(?:32\.(?:59\.144|154\.6)|06\.133\.94)|1(?:72\.251\.168|47\.211\.16)|54\.17\.200)|8\.(?:1(?:5(?:3\.247\.68|8\.3\.1)|45\.135\.137)|2(?:34\.108\.13|10\.8\.247))|3\.(?:1(?:71\.39\.154|32\.241\.7)|230\.128\.226|81\.164\.57)|7\.(?:2(?:00\.184\.87|3\.6\.216)|198\.3\.238)|0\.2(?:17\.122\.58|45\.89\.69)|9\.(?:255\.77\.42|90\.118\.30)|6\.241\.47\.254|2\.6\.152\.211)|0(?:2\.(?:1(?:(?:29\.216\.6|58\.39\.25)0|42\.203\.19)|71\.136\.200|53\.13\.187)|0\.(?:14(?:8\.125\.247|2\.133\.21)|7(?:2\.11\.132|9\.27\.60)|35\.151\.24)|8\.(?:71\.172\.(?:9[134]|8[47])|82\.114\.[25][35]|113\.254\.39)|4\.174\.223\.204|1\.45\.114\.3)|2(?:2\.(?:2(?:3(?:1\.57\.10|6\.16\.1)4|53\.182\.139)|100\.14(?:0\.4|\.3))|0\.136\.(?:168\.130|228\.163))|4\.127\.201\.172)|9(?:3\.1(?:5(?:7\.148\.102|9\.191\.246)|88\.8\.67)|5\.(?:77\.109\.67|48\.24\.10|86\.4\.79)|(?:0\.83\.184\.21|6\.254\.22\.5)1|4\.189\.183\.70|1\.214\.83\.2)|6(?:1\.(?:38\.186\.117|98\.131\.141|57\.65\.125|19\.97\.69|70\.83\.58)|6\.(?:203\.32\.54|84\.49\.9)|9\.163\.166\.32|5\.60\.15\.184|7\.90\.21\.150)|7(?:(?:7\.106\.232\.17|9\.188\.87\.1)8|4\.(?:216\.223\.82|9\.203\.186)|8\.(?:97\.158\.97|29\.4\.78)|6\.74\.186\.237|2\.35\.20\.131)|8(?:(?:3\.238\.208\.5|1\.23\.106\.7)5|6\.(?:127\.71\.202|64\.171\.198)|7\.97\.218\.183|8\.190\.224\.20)|4(?:6\.(?:32\.23(?:2\.(?:18|86)|3\.226)|182\.24\.130)|1\.137\.24\.4)|3(?:7\.(?:122\.208\.(?:217|31)|206\.210\.130)|1\.210\.47\.230)|5(?:9\.1(?:25\.64\.4|5\.76\.97)|8\.150\.97\.242|\.82\.192\.73))\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 =~ / (?:by|ip)=(?-xism:\b(?:1(?:1(?:1\.176\.(?:(?:12|8)[4567]|[46][89]|5[01]|7\d)|6\.207\.(?:6[0123]|1[45]|4[89]|5\d)|9\.3(?:9\.19[234567]|6\.21[23])|0\.(?:52\.[01238]|89\.208)|3\.56\.2(?:4[89]|5[01]|25)|5\.63\.(?:[89]|1[0235]))|2(?:1\.63\.(?:1[6789]|20)|5\.60\.156|0\.84\.13|3\.136\.0)|0(?:3\.(?:23\.248|30\.73)|9\.127\.81|0\.42\.28)|8(?:3\.221\.1[23]|6\.123\.133)|77\.47\.1(?:06|21))|2(?:7\.(?:20\.(?:[89]|1(?:0[0123]?|[28][89]|[39][01]|7[6789]|1)|24[01234567]|4[0123]|5[6789])|15(?:0\.16[12]|7\.252))|(?:02\.231\.24|13\.143\.5)8)|5(?:8\.50\.1(?:[2345]|1[6789])|9\.55\.25[2345]|\.135\.202)|85\.153\.2[48]|46\.234\.175|37\.59\.212)\.[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