File: zscaler-bluedot.rules

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sagan-rules 1:20170725-1
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# Sagan zscaler-bluedot.rules  
# Copyright (c) 2009-2017, Quadrant Information Security <www.quadrantsec.com>  
# All rights reserved.
#  
# Please submit any custom rules or ideas to sagan-submit@quadrantsec.com or the sagan-sigs mailing list  
#  
#*************************************************************
#  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 any $HOME_NET any -> $EXTERNAL_NET any (msg:"[ZSCALER] Suspicious IP detected via Bluedo "; threshold: type limit, track by_src, count 2, seconds 3600; parse_src_ip: 2; parse_dst_ip: 1; program: CEF; content: "Zscaler"; content:"act=Allowed"; bluedot: type ip_reputation, track all, mdate_effective_period 1 months, Malicious,Tor,Proxy; default_dst_port: $HTTP_PORT; default_proto: tcp;  classtype:trojan-activity; sid:5003199; rev:1;)