## khop-sc-neighbors.cf v 2012042013 ## 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:\b1(?:15|23|78|90)(?:\.[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(?:1[37]|82)|41)(?:\.[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:\b(?:1(?:(?:82\.17|4\.9)7|13\.162)|203\.163|84\.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 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(?:3\.162\.(?:7[47]|254|97)|2\.168\.206|8\.97\.95)|8(?:0\.232\.104|9\.108\.118)|94\.126\.183|21\.54\.54)|21(?:0\.(?:168\.50|4\.75)|3\.233\.64|9\.70\.43)|61\.136\.59|84\.235\.73)\.[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(?:1(?:2\.215\.6[345]|3\.162\.246|8\.233\.129)|(?:8(?:0\.232\.10|9\.84\.21)|09\.100\.13)4|23\.(?:1(?:31\.165|94\.4)|205\.139)|97\.252\.0)|6(?:6\.165\.246|0\.217\.32|2\.33\.191)|2(?:02\.126\.91|19\.70\.48)|41\.254\.5|83\.149\.3)\.[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\.(?:2(?:12\.129\.175|33\.129\.57)|97\.(?:96\.235|61\.66)|123\.199\.222|40\.236\.153|39\.6\.130)|2\.(?:1(?:45\.80\.173|68\.206\.11)|65\.225\.55)|9\.(?:198\.118\.125|57\.77\.163)|6\.(?:112\.66\.102|242\.32\.64)|3\.(?:171\.16\.116|28\.180\.1)|1\.68\.111\.194|4\.113\.158\.29|5\.118\.5\.11|7\.34\.92\.43)|8(?:7\.(?:1(?:85\.197\.228|20\.209\.14|15\.73\.66|\.119\.80)|5(?:9\.87\.82|\.215\.24)|72\.86\.146|38\.127\.5)|9\.(?:2(?:(?:04\.66\.2|7\.213\.)26|14\.43\.162)|10(?:0\.226\.175|8\.118\.194)|84\.214\.163|59\.5\.162)|6\.1(?:20\.141\.188|8\.179\.101)|4\.(?:17\.69\.238|22\.115\.4)|8\.227\.85\.100)|2(?:3\.(?:1(?:31\.165\.15[46]|94\.4\.159)|205\.139\.(?:2[15]|32)|49\.(?:35\.122|1\.90))|1\.(?:1(?:80\.108\.216|46\.165\.69)|52\.147\.11|6\.188\.177)|2\.(?:147\.162\.24|252\.234\.75|57\.192\.248)|0\.151\.186\.78|4\.137\.20\.253)|9(?:0\.(?:2(?:19\.163\.109|55\.166\.28|6\.118\.123)|1(?:67\.213\.228|57\.108\.99))|3\.(?:25(?:3\.178\.162|5\.143\.63)|151\.13\.34)|4\.1(?:26\.183\.117|58\.204\.250)|5\.117\.219\.10|7\.220\.97\.34)|7(?:8\.(?:7(?:9\.1(?:2\.251|3\.222)|4\.54\.174)|37\.176\.185|148\.44\.42)|(?:5\.203\.171\.3|4\.57\.6\.)1|6\.195\.190\.79)|09\.(?:2(?:03\.203\.60|38\.31\.219)|1(?:00\.134\.246|95\.66\.2)|98\.7\.228)|4\.(?:140\.(?:105\.33|0\.178)|36\.12\.227)|53\.19\.108\.41)|2(?:1(?:0\.(?:1(?:68\.50\.1[56]|90\.119\.145)|212\.(?:144\.214|20\.173)|61\.125\.211|4\.75\.229|51\.44\.48)|8\.(?:2(?:2(?:5\.75\.139|\.80\.61)|06\.76\.235|47\.138\.40)|189\.26\.158|85\.137\.11)|2\.(?:1(?:16\.178\.249|56\.155\.130|74\.243\.174)|62\.116\.82)|9\.(?:70\.4(?:3\.245|8\.52)|83\.100\.204|94\.224\.189)|1\.4(?:1\.202\.213|7\.104\.236|4\.183\.97|5\.126\.81)|7\.219\.123\.59)|0(?:0\.(?:1(?:1(?:1\.62\.242|6\.10\.11)|37\.174\.178|78\.153\.62)|208\.81\.245|6\.237\.147)|1\.(?:1(?:86\.118\.236|51\.156\.89)|245\.175\.177|48\.230\.33)|2\.1(?:6(?:1\.188\.107|2\.219\.215)|(?:16\.62|58\.77)\.218)|3\.(?:1(?:63\.255\.12|42\.65\.11)|78\.115\.11)6|5\.251\.131\.31)|2(?:2\.(?:1(?:71\.60\.156|24\.16\.34|84\.9\.242)|255\.(?:132\.5|28\.33)|42\.45\.51)|1\.(?:169\.239\.9|2\.159\.175)|0\.227\.90\.238)|4\.(?:2(?:12\.210\.166|31\.187\.50)|6\.176\.93)|\.90\.221\.221)|6(?:0\.(?:2(?:17\.32\.14[38]|8\.245\.251)|191\.232\.230)|1\.(?:4(?:7\.57\.234|9\.31\.83)|136\.59\.177)|7\.(?:133\.133\.1|238\.1\.177|77\.92\.244)|(?:2\.33\.191\.|8\.204\.2\.1)66|6\.165\.246\.18[01]|4\.212\.73\.53|5\.51\.47\.107)|8(?:9\.(?:12(?:2\.161\.212|3\.93\.179)|37\.(?:109\.|68\.1)3|76\.225\.137)|(?:1\.202\.116\.10|0\.80\.108\.3)5|2\.1(?:00\.80\.36|6\.159\.61)|7\.(?:98\.143\.74|117\.6\.18)|4\.121\.245\.180|5\.185\.25\.227|6\.122\.61\.204)|7(?:7\.(?:2(?:48\.62\.213|55\.75\.155)|12(?:7\.56\.237|1\.43\.83))|5\.(?:(?:72\.232\.17|64\.24\.3)7|145\.98\.90)|8\.(?:3(?:6\.238\.11|8\.213\.45)|58\.167\.39)|2\.42\.186\.137|4\.93\.147\.138|1\.82\.41\.90)|9(?:4\.(?:2(?:02\.253\.121|3\.209\.218)|73\.245\.48)|(?:3\.75\.246\.11|2\.242\.10\.)8|8\.234\.164\.131)|4(?:6\.(?:185\.62\.10|48\.135\.3)9|1\.137\.2[04]\.4)|5(?:8\.(?:248\.245\.22|182\.173\.3)5|9\.163\.11\.66))\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 =~ /(?-xism:\b(?:1(?:12\.215\.6[345]|80\.232\.105)|223\.252\.1(?:6[1578]|7[03]))\.[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