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azureEventHub_windows-geoip.rules
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azureEventHub_windows-geoip.rules
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# Sagan windows-geoip.rules
# Copyright (c) 2009-2023. 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:
#
# 4798.rules all_windows.rules azureEventHub_notes.txt logs rule_issues.txt rules test.rules to_azureEventHub.sh Redistributions of source code must retain the above copyright notice, this list of conditions and the following
# disclaimer.
# 4798.rules all_windows.rules azureEventHub_notes.txt logs rule_issues.txt rules test.rules to_azureEventHub.sh 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.
# 4798.rules all_windows.rules azureEventHub_notes.txt logs rule_issues.txt rules test.rules to_azureEventHub.sh 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"; json_map:"event_id",".EventID"; json_map:"message",".RenderedDescription"; event_id: 4624,528,540; content:!"0.0 Source Port|3a| 0"; default_proto: tcp; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; program: *Security*; parse_src_ip: 1; parse_port; country_code: track by_src, isnot $HOME_COUNTRY; sid:5008666; metadata: created_on 2022_11_22, old_sid 5001873; rev:12;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] RDP / Logon type 10 from outside HOME_COUNTRY "; json_map:"event_id",".EventID"; json_map:"message",".RenderedDescription"; event_id: 4624,528,540; 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; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; sid:5008667; metadata: created_on 2022_11_22, old_sid 5002016; rev:8;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Logon attempt using explicit credentials from outside HOME_COUNTRY"; json_map:"event_id",".EventID"; json_map:"message",".RenderedDescription"; event_id: 4648,552; 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; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; sid:5008668; metadata: created_on 2022_11_22, old_sid 5002020; rev:8;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Windows Network Cleartext from outside HOME_COUNTRY "; json_map:"event_id",".EventID"; json_map:"message",".RenderedDescription"; event_id: 4624,528,540; content: "Logon Type|3a| 8 "; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; default_proto: tcp; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; sid:5008669; metadata: created_on 2022_11_22, old_sid 5002337; rev:4;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Windows Session Disconnected from outside HOME_COUNTRY "; json_map:"event_id",".EventID"; json_map:"message",".RenderedDescription"; event_id: 4779,683; content: "Session"; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; default_proto: tcp; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; sid:5008670; metadata: created_on 2022_11_22, old_sid 5002338; rev:5;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Windows RDP Session Disconnected from outside HOME_COUNTRY "; json_map:"event_id",".EventID"; json_map:"message",".RenderedDescription"; event_id: 4779,683; content: "Session"; content: "RDP"; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; default_proto: tcp; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; sid:5008671; metadata: created_on 2022_11_22, old_sid 5002339; rev:5;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[WINDOWS-GEOIP] Attempted explicit windows logon"; json_map:"event_id",".EventID"; json_map:"username",".Computer"; json_map:"message",".RenderedDescription"; event_id: 4648,552; content: "Target"; content: "Process"; country_code: track by_src, isnot $HOME_COUNTRY; program: *Security*; parse_src_ip: 1; xbits: set,recon,track ip_src, expire 86400; threshold: type suppress, track by_src, count 2, seconds 300; content:!"0.0 Port|3a| 0"; default_proto: tcp; metadata: created_on 2022_11_22, endpoint_command FIREWALL_BLOCK_SRC_IP; classtype: successful-user; sid:5008672; metadata: created_on 2022_11_22, old_sid 5002340; rev:9;)