## khop-sc-neighbors.cf v 201303213 ## 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:\b222\.174(?:\.[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(?:(?:88\.165\.19|99\.229\.25)0|03\.9\.157|44\.76\.38|\.226\.83)|21(?:1\.196\.186|3\.230\.128|0\.51\.44)|(?:66\.35\.7|75\.102\.)9)\.[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(?:2(?:0\.(?:1(?:43\.16|28\.2)|84\.13)|5\.(?:60\.156|91\.11))|8(?:3\.(?:10\.8[0123]|221\.1[23]|8\.7[6789])|5\.5\.54)|1(?:0\.52\.[08]|2\.97\.24)|03\.9\.156|97\.252\.0)|21(?:7\.(?:23\.12|76\.69)|0\.21\.225)|8(?:0\.36\.130|9\.218\.68)|41\.254\.[15])\.[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(?:2(?:1\.(?:1(?:2(?:5\.63\.87|\.167\.95)|58\.198\.76)|(?:8\.152\.24|49\.107\.)2|66\.(?:181\.202|95\.156)|22\.127\.17)|4\.(?:(?:243\.124\.20|42\.124\.13)6|125\.156\.52)|5\.(?:91\.11\.8[789]|210\.188\.35)|0\.132\.132\.119|2\.160\.154\.251)|8(?:0\.(?:21(?:0\.203\.213|1\.179\.30)|182\.167\.68)|8\.1(?:65\.1(?:49\.(?:17|24)|25\.81)|28\.99\.94)|5\.(?:(?:2\.12|5\.54)\.77|12\.46\.24)|9\.(?:108\.118\.19|58\.251\.23)4|3\.1(?:11\.21\.144|0\.80\.5)|7\.4\.80\.188)|7(?:8\.(?:2(?:1(?:0\.144\.17|3\.33\.95)|07\.158\.230)|1(?:5(?:8\.194\.213|1\.86\.1)|63\.105\.52)|89\.107\.(?:164|66)|49\.170\.57)|6\.(?:31\.157\.173|53\.233\.76)|7\.73\.105\.23)|1(?:6\.(?:1(?:12\.66\.102|2\.230\.46)|213\.249\.40)|8\.(?:2(?:44\.182\.94|6\.204\.182)|97\.75\.154)|5\.(?:249\.63\.164|78\.3\.18)|9\.180\.26\.110|3\.142\.8\.205)|9(?:9\.2(?:29\.250\.(?:144|235)|55\.11\.29)|0\.(?:82\.89\.156|0\.60\.238)|4\.158\.204\.250|5\.128\.253\.152|2\.227\.137\.55)|0(?:9\.(?:2(?:36\.220\.98|51\.28\.154)|195\.54\.231)|8\.163\.236\.2(?:08|1)|3\.9\.157\.168)|4(?:4\.76\.3(?:1\.172|8\.39)|9\.255\.3\.158)|(?:30\.193\.121\.16|63\.177\.112\.)2|53\.127\.236\.15|\.226\.83\.81)|2(?:1(?:7\.(?:2(?:3\.(?:12\.1(?:9[3467]|4[347]|19|61|74|88)|2\.1(?:08|39)|8\.1(?:60|85)|5\.37)|19\.1(?:23\.59|32\.15)|00\.184\.87)|12\.113\.67)|1\.(?:1(?:15\.127\.32|74\.179\.80|96\.186\.53)|2(?:36\.241\.133|02\.3\.156)|58\.255\.121|99\.212\.154)|8\.(?:1(?:07\.132\.66|94\.91\.238)|232\.111\.227|38\.29\.32)|9\.(?:14(?:3\.3\.210|7\.172\.2)|223\.252\.150)|3\.(?:(?:230\.128\.22|192\.3\.6)6|55\.72\.14)|0\.51\.44\.199|2\.49\.70\.48|6\.83\.60\.76)|0(?:2\.(?:1(?:1(?:8\.236\.178|3\.65\.229)|52\.197\.226|04\.22\.42)|29\.241\.180)|0\.(?:247\.100\.178|142\.133\.21)|3\.(?:144\.170\.98|236\.93\.142)|1\.(?:18\.145\.118|22\.7\.225))|2(?:2\.(?:1(?:74\.(?:255\.238|163\.2)|95\.73\.119)|75\.151\.240)|1\.(?:214\.208\.226|143\.46\.13)|3\.4\.179\.152)|\.1(?:35\.24(?:3\.(?:187|210)|2\.1[26]2)|83\.155\.2))|8(?:9\.(?:2(?:18\.(?:68\.(?:1(?:22|38|46)|[37]4|90)|224\.(?:35|58))|8\.65\.46)|123\.(?:17\.114|37\.143)|34\.72\.74)|(?:4\.15\.191\.25|1\.95\.182\.)4|0\.36\.130\.135|5\.202\.5\.110|3\.14\.26\.98|\.33\.183\.1)|6(?:1\.(?:1(?:75\.223\.1(?:34|42)|33\.125\.162|47\.79\.111|66\.55\.153|55\.5\.4)|55\.156\.210)|0\.2(?:44\.24\.156|06\.15\.60)|6\.(?:35\.79\.200|63\.178\.54)|2\.148\.137\.138)|9(?:1\.(?:2(?:21\.176\.163|35\.126\.92)|1(?:21\.184\.12|94\.57\.18))|4\.(?:242\.243\.(?:7[18]|80)|102\.58\.244)|3\.(?:95\.184\.236|79\.44\.189))|5(?:\.(?:39\.(?:25\.(?:38|49)|122\.117)|1(?:99\.132\.164|35\.92\.150))|9\.(?:90\.(?:192\.173|206\.95)|49\.79\.121|60\.7\.146))|4(?:6\.(?:1(?:66\.179\.107|37\.45\.105)|48\.191\.71)|1\.(?:137\.2[04]\.|208\.106\.24)4|2\.121\.1(?:05\.138|18\.123))|7(?:7\.(?:106\.232\.178|41\.1\.12)|2\.9\.96\.(?:115|216)|5\.102\.9\.238))\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(?:0\.(?:205\.3[2345]|52\.8)|5\.63\.(?:[89]|1[012345])|2\.215\.(?:6[34]|44)|8\.186\.86)|2(?:1\.63\.(?:18|23)|3\.136\.106|2\.155\.42)|78\.172\.(?:1(?:5[234]|8[36])|229)|9(?:0\.121\.23[89]|7\.252\.[01])|0(?:8\.174\.193|3\.9\.158)|86\.123\.13[35]|30\.193\.165)|2(?:0(?:0\.(?:77\.172|85\.23)|7\.103\.16[01])|1(?:2\.5\.158|7\.76\.69))|8(?:5\.26\.(?:184|231)|3\.149\.(?:48|3)|4\.235\.9[12])|4(?:1\.2(?:54\.[58]|23\.161)|6\.227\.191)|3(?:7\.17\.11[2345]|1\.7\.125)|(?:79\.106\.10|5\.44\.3)9)\.[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