File: snort-bluedot.rules

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# Sagan snort-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.
#
#
# These detect where certain types of files are accessed from outside your HOME_COUNTRY.  
# They require that:
# 
# 1. Snort logs to syslog:
#    output alert_syslog: LOG_AUTH LOG_ALERT # Example SNORT config
# 2. Snort "file-identify.rules" rules are enabled
#
# Concept by Robert Nunley (rnunley@quadrantsec.com) - 02/21/2014

# THIS RULES ARE HIGHLY EXPERIMENTAL!

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[FILE-BLUEDOT] Executable Downloaded from a suspicious source"; program: snort; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; content: "FILE-IDENTIFY"; content: "Exe"; classtype: bad-unknown; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5002910;sid:5002910; rev:4;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[FILE-BLUEDOT] Java Downloaded from a suspicious source"; program: snort; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; content: "FILE-IDENTIFY"; content: "Java"; classtype: bad-unknown; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5002911; sid:5002911; rev:4;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[FILE-BLUEDOT] Jar/Zip Downloaded a suspicious source"; program: snort; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; content: "FILE-IDENTIFY"; content: "Jar"; classtype: bad-unknown; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5002912; sid:5002912; rev:4;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[FILE-BLUEDOT] PDF Downloaded a suspicious source"; program: snort; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; content: "FILE-IDENTIFY"; content: "PDF"; classtype: bad-unknown; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5002913; sid:5002913; rev:4;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[FILE-BLUEDOT] Flash Downloaded a suspicious source"; program: snort; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; content: "FILE-IDENTIFY"; content: "Flash"; classtype: bad-unknown; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5002914; sid:5002914; rev:4;)