File: windows-geoip.rules

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sagan-rules 1:20170725-1
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# Sagan windows-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.
#

alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[WINDOWS-GEOIP] Windows Logon outside of HOME_COUNTRY"; pcre: "/ 540: | 4624: /"; content:!"0.0 Source Port|3a| 0"; default_proto: tcp; classtype: successful-user; program: *Security*; parse_src_ip: 1; parse_port; country_code: track by_src, isnot $HOME_COUNTRY; reference: url,wiki.quadrantsec.com/bin/view/Main/5001873; sid: 5001873; rev:8;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] RDP / Logon type 10 from outside HOME_COUNTRY "; pcre: "/ 528: | 4624: /"; content: "Logon Type|3a| 10 "; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; content: !"0.0 Source Port|3a| 0"; default_proto: tcp; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002016; sid: 5002016; rev:5;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Logon attempt using explicit credentials from outside HOME_COUNTRY"; pcre: "/ 552: | 4648: /"; content:!"Network Address|3a| - "; content:!"Port|3a| - "; content:!"Target Server Name|3a| localhost"; program: *Security*; parse_src_ip: 1; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002020; sid: 5002020; rev:5;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Windows Network Cleartext from outside HOME_COUNTRY "; pcre: "/ 540: | 4624: /"; content: "Logon Type|3a| 8 "; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; default_proto: tcp; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002337; sid: 5002337; rev:2;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Windows Session Disconnected from outside HOME_COUNTRY "; pcre: "/ 683: | 4779: /"; content: "Session"; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; default_proto: tcp; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002338; sid: 5002338; rev:2;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Windows RDP Session Disconnected from outside HOME_COUNTRY "; pcre: "/ 683: | 4779: /"; content: "Session"; content: "RDP"; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; default_proto: tcp; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002339; sid: 5002339; rev:2;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Attempted explicit windows logon "; pcre: "/ 552: | 4648: /"; content: "Target"; content: "Process"; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; xbits: set, recon, 86400; threshold: type limit, track by_src, count 2, seconds 300; content:!"0.0 Port|3a| 0"; default_proto: tcp; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5002340; sid: 5002340; rev:5;)