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75 lines
2.3 KiB
75 lines
2.3 KiB
#!/bin/bash |
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#-------------------------- =+- Shell script -+= -------------------------- |
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# |
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# Yaroslav Halchenko CS@UNM, CS@NJIT |
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# web: http://www.onerussian.com & PSYCH@RUTGERS |
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# e-mail: yoh@onerussian.com ICQ#: 60653192 |
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# |
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# DESCRIPTION (NOTES): |
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# |
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# Script to fetch list of agent strings from http://www.user-agents.org |
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# which are known to be from mailicious bots, and create apache-badbots.conf |
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# filter for fail2ban |
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# |
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# COPYRIGHT: Yaroslav Halchenko 2007-2013 |
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# |
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# LICENSE: |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the |
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
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# MA 02110-1301, USA. |
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# |
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# On Debian system see /usr/share/common-licenses/GPL for the full license. |
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# |
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#-----------------\____________________________________/------------------ |
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url=http://www.user-agents.org/index.shtml |
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badbots=$( |
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for f in "" "?g_m" "?moz" "?n_s" "?t_z"; do |
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wget -q -O- $url$f; |
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done \ |
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| grep -h -B4 '<td class="smallcell" nowrap>S </td>'\ |
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| sed -e 's/ //g' \ |
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| awk '/^--/{getline; gsub(" ",""); print $0}' \ |
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| sed -e 's/\([.\:|()+]\)/\\\1/g' \ |
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| uniq \ |
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| tr '\n' '|' \ |
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| sed -e 's/|$//g' |
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) |
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echo $badbots >| /tmp/badbots.tmp |
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cat >| config/filter.d/apache-badbots.conf <<EOF |
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# Fail2Ban configuration file |
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# |
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# Regexp to catch known spambots and software alike. Please verify |
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# that it is your intent to block IPs which were driven by |
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# above mentioned bots. |
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[Definition] |
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badbotscustom = EmailCollector|WebEMailExtrac|TrackBack/1\.02|sogou music spider |
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badbots = $badbots |
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failregex = ^<HOST> -.*"(GET|POST).*HTTP.*"(?:%(badbots)s|%(badbotscustom)s)"$ |
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ignoreregex = |
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# DEV Notes: |
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# List of bad bots fetched from http://www.user-agents.org |
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# Generated on `date` by $0. |
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# |
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# Author: Yaroslav Halchenko |
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EOF
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