File: openssh-bluedot.rules

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sagan-rules 1:20170725-1
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# Sagan openssh-geoip.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.
#
#*************************************************************
#
# Not getting the source IP addresses that you'd expect?  Then you probably
# have OpenSSH's "UseDNS" set to "Yes" in your sshd_config file.  You'll
# need to set that to "No" so Sagan can "find" the source IP addresses and
# port information.


# 10.1.7.2|authpriv|info|info|56|2013-12-02|14:21:19|sshd| Accepted password for bob from 10.1.16.1 port 51860 ssh2

alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[OPENSSH-BLUEDOT] Authentication success via password from suspicious source"; content: "Accepted password"; default_proto: tcp; default_dst_port: $SSH_PORT; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002905; normalize; program: sshd; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; sid:5002905; rev:4;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[OPENSSH-BLUEDOT] Authentication success via publickey from suspicious source"; content: "Accepted publickey"; default_proto: tcp; default_dst_port: $SSH_PORT; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002906; normalize; program: sshd; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; sid:5002906; rev:4;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[OPENSSH-BLUEDOT] Authentication success via keyboard from suspicious source"; content: "Accepted keyboard-interactive"; default_proto: tcp; default_dst_port: $SSH_PORT; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002907; normalize; program: sshd; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; sid:5002907; rev:4;)