Yo creo que quedaría así, una vez integrado lo de los spammer:
Código:
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} ^BlackWidow [OR]
RewriteCond %{HTTP_USER_AGENT} ^Bot\ mailto:[email protected] [OR]
RewriteCond %{HTTP_USER_AGENT} ^ChinaClaw [OR]
RewriteCond %{HTTP_USER_AGENT} ^Custo [OR]
RewriteCond %{HTTP_USER_AGENT} ^DISCo [OR]
RewriteCond %{HTTP_USER_AGENT} ^Download\ Demon [OR]
RewriteCond %{HTTP_USER_AGENT} ^eCatch [OR]
RewriteCond %{HTTP_USER_AGENT} ^EirGrabber [OR]
RewriteCond %{HTTP_USER_AGENT} ^EmailSiphon [OR]
RewriteCond %{HTTP_USER_AGENT} ^EmailWolf [OR]
RewriteCond %{HTTP_USER_AGENT} ^Express\ WebPictures [OR]
RewriteCond %{HTTP_USER_AGENT} ^ExtractorPro [OR]
RewriteCond %{HTTP_USER_AGENT} ^EyeNetIE [OR]
RewriteCond %{HTTP_USER_AGENT} ^FlashGet [OR]
RewriteCond %{HTTP_USER_AGENT} FrontPage [NC,OR]
RewriteCond %{HTTP_USER_AGENT} ^GetRight [OR]
RewriteCond %{HTTP_USER_AGENT} ^GetWeb! [OR]
RewriteCond %{HTTP_USER_AGENT} ^Go!Zilla [OR]
RewriteCond %{HTTP_USER_AGENT} ^Go-Ahead-Got-It [OR]
RewriteCond %{HTTP_USER_AGENT} ^GrabNet [OR]
RewriteCond %{HTTP_USER_AGENT} ^Grafula [OR]
RewriteCond %{HTTP_USER_AGENT} ^HMView [OR]
RewriteCond %{HTTP_USER_AGENT} HTTrack [NC,OR]
RewriteCond %{HTTP_USER_AGENT} ^Image\ Stripper [OR]
RewriteCond %{HTTP_USER_AGENT} ^Image\ Sucker [OR]
RewriteCond %{HTTP_USER_AGENT} Indy\ Library [NC,OR]
RewriteCond %{HTTP_USER_AGENT} ^InterGET [OR]
RewriteCond %{HTTP_USER_AGENT} ^Internet\ Ninja [OR]
RewriteCond %{HTTP_USER_AGENT} ^Irvine [OR]
RewriteCond %{HTTP_USER_AGENT} ^JetCar [OR]
RewriteCond %{HTTP_USER_AGENT} ^JOC\ Web\ Spider [OR]
RewriteCond %{HTTP_USER_AGENT} ^larbin [OR]
RewriteCond %{HTTP_USER_AGENT} ^LeechFTP [OR]
RewriteCond %{HTTP_USER_AGENT} ^Mass\ Downloader [OR]
RewriteCond %{HTTP_USER_AGENT} ^MIDown\ tool [OR]
RewriteCond %{HTTP_USER_AGENT} ^Mister\ PiX [OR]
RewriteCond %{HTTP_USER_AGENT} ^Navroad [OR]
RewriteCond %{HTTP_USER_AGENT} ^NearSite [OR]
RewriteCond %{HTTP_USER_AGENT} ^NetAnts [OR]
RewriteCond %{HTTP_USER_AGENT} ^NetSpider [OR]
RewriteCond %{HTTP_USER_AGENT} ^Net\ Vampire [OR]
RewriteCond %{HTTP_USER_AGENT} ^NetZIP [OR]
RewriteCond %{HTTP_USER_AGENT} ^Octopus [OR]
RewriteCond %{HTTP_USER_AGENT} ^Offline\ Explorer [OR]
RewriteCond %{HTTP_USER_AGENT} ^Offline\ Navigator [OR]
RewriteCond %{HTTP_USER_AGENT} ^PageGrabber [OR]
RewriteCond %{HTTP_USER_AGENT} ^Papa\ Foto [OR]
RewriteCond %{HTTP_USER_AGENT} ^pavuk [OR]
RewriteCond %{HTTP_USER_AGENT} ^pcBrowser [OR]
RewriteCond %{HTTP_USER_AGENT} ^RealDownload [OR]
RewriteCond %{HTTP_USER_AGENT} ^ReGet [OR]
RewriteCond %{HTTP_USER_AGENT} ^SiteSnagger [OR]
RewriteCond %{HTTP_USER_AGENT} ^SmartDownload [OR]
RewriteCond %{HTTP_USER_AGENT} ^SuperBot [OR]
RewriteCond %{HTTP_USER_AGENT} ^SuperHTTP [OR]
RewriteCond %{HTTP_USER_AGENT} ^Surfbot [OR]
RewriteCond %{HTTP_USER_AGENT} ^tAkeOut [OR]
RewriteCond %{HTTP_USER_AGENT} ^Teleport\ Pro [OR]
RewriteCond %{HTTP_USER_AGENT} ^VoidEYE [OR]
RewriteCond %{HTTP_USER_AGENT} ^Web\ Image\ Collector [OR]
RewriteCond %{HTTP_USER_AGENT} ^Web\ Sucker [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebAuto [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebCopier [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebFetch [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebGo\ IS [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebLeacher [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebReaper [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebSauger [OR]
RewriteCond %{HTTP_USER_AGENT} ^Website\ eXtractor [OR]
RewriteCond %{HTTP_USER_AGENT} ^Website\ Quester [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebStripper [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebWhacker [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebZIP [OR]
RewriteCond %{HTTP_USER_AGENT} ^Wget [OR]
RewriteCond %{HTTP_USER_AGENT} ^Widow [OR]
RewriteCond %{HTTP_USER_AGENT} ^WWWOFFLE [OR]
RewriteCond %{HTTP_USER_AGENT} ^Xaldon\ WebSpider [OR]
RewriteCond %{HTTP_USER_AGENT} ^Zeus
RewriteRule ^.*$ http://127.0.0.1/ [R,L]
# prevent access from santy webworm a-e
RewriteCond %{QUERY_STRING} ^(.*)highlight=\%2527 [OR]
RewriteCond %{QUERY_STRING} ^(.*)rush=\%65\%63\%68 [OR]
RewriteCond %{QUERY_STRING} ^(.*)rush=echo [OR]
RewriteCond %{QUERY_STRING} ^(.*)wget\%20
RewriteRule ^.*$ http://127.0.0.1/ [R,L]
# prevent pre php 4.3.10 bug
RewriteCond %{HTTP_COOKIE}% s:(.*):\%22test1\%22\%3b
RewriteRule ^.*$ http://127.0.0.1/ [R,L]
# prevent perl user agent (most often used by santy)
RewriteCond %{HTTP_USER_AGENT} ^lwp.* [NC]
RewriteRule ^.*$ http://127.0.0.1/ [R,L]
# Putos spammer
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)chat-nett(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)adult(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)anal(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)psxtreme(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)crescentarian(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)yelucie(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)freakycheats(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)poker(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)terashells(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)mature(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)nude(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)porn(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)pus*y(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)sex(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)teen(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*(-|.)tits(-|.).*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*accepted.cc$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?.*episodesusdbz/.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?advancedmoneyloans.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?affiliplanet.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?apart-?design.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?auktion.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?autogewinne24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?autospiele24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?babay.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?euromillionen.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?eurowins.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?gsm-support.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?gzltax.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?qw8.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?geldspiele24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?goovle.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?heil-fasten.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?immobiliengewinne24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?incest-.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?keywordmaster.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?one2onemag.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?reisegewinne24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?rootfood.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?shemale.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?single66.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?slamhost.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?spielepsychatrie.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?superface.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?topgewinn24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?topspiele24.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?transexual.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?usa-wins.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?vendini.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?webmasterplan.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?wseeker.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?xmaster.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?referrer-script.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?freakycheats.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?psxtreme.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://www14\.blogspot.*$ [OR]
RewriteCond %{HTTP_REFERER} ^http://(www\.)?yahh+oo.*$
RewriteRule ^.*$ http://127.0.0.1/ [R,L]
Luego si van apareciendo más será cuestión de ir añadiéndolos en nuevas lineas