# # $Id: emerging-dshield.rules $ # Emerging Threats Dshield rules. # # Rules to block Dshield identified Top Attackers (www.dshield.org) # # More information available at www.emergingthreats.net # # Please submit any feedback or ideas to emerging@emergingthreats.net or the emerging-sigs mailing list # #************************************************************* # # Copyright (c) 2003-2008, Emerging Threats # All rights reserved. # # Redistribution and use in source and binary forms, with or without modification, are permitted provided that the # following conditions are met: # # * Redistributions of source code must retain the above copyright notice, this list of conditions and the following # disclaimer. # * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the # following disclaimer in the documentation and/or other materials provided with the distribution. # * Neither the name of the nor the names of its contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES, # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # alert ip [213.251.144.0/24,202.97.238.0/24,83.44.174.0/24,82.11.152.0/24,128.194.135.0/24,123.19.121.0/24,91.196.171.0/24,118.41.233.0/24,61.147.115.0/24,222.90.213.0/24,130.235.181.0/24,58.20.222.0/24,210.116.106.0/24,202.99.11.0/24,124.165.230.0/24,218.208.23.0/24,125.65.112.0/24,83.170.72.0/24,61.134.56.0/24,219.134.65.0/24] any -> $HOME_NET any (msg:"ET DROP Dshield Block Listed Source - BLOCKING"; reference:url,feeds.dshield.org/block.txt; threshold: type limit, track by_src, seconds 3600, count 1; classtype:misc-attack; sid:2403000; rev:1224; fwsam: src, 72 hours;)