File: cisco-geoip.rules

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# Sagan cisco-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 $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] VPN Login from outside HOME_COUNTRY"; program: %ASA*-6-716038; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; reference: url, wiki.quadrantsec.com/bin/view/Main/5001868; sid: 5001868; rev: 2;)

# %SEC_LOGIN-5-LOGIN_SUCCESS: Login Success [user: testuser] [Source: 10.10.10.10] [localport: 22] at 05:00:13 EST Sun Dec 1 2013

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] Console login from outside HOME_COUNTRY"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; default_dst_port: $SSH_PORT;  classtype: successful-user; parse_src_ip: 1; reference: url, wiki.quadrantsec.com/bin/view/Main/5001869; sid: 5001869; rev: 2;)

# 10.1.2.1|local4|info|info|a6|2013-12-02|08:00:03|%ASA*-6-605005| Login permitted from 10.1.1.1/54112 to inside:10.1.2.1/ssh for user "bob"

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] Login permitted from outside HOME_COUNTRY"; program: %ASA*-6-605005; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; classtype: successful-user; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5001879; sid: 5001879; rev: 1;)

# WebVPN from outside HOME_COUNTRY

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] VPN login from outside HOME_COUNTRY"; program: %ASA*-6-716001|%ASA*-6-716038; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; reference: url, wiki.quadrantsec.com/bin/view/Main/5001950; sid: 5001950; rev: 3;)

# Group = AnyConnect, Username = bob, IP = 10.10.10.10, Session disconnected. Session Type: SSL, Duration: 12h:00m:19s, Bytes xmt: 332468520, Bytes rcv: 130276830, Reason: Max time exceeded

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] VPN disconnect from outside HOME_COUNTRY"; program: %ASA*-4-113019|%ASA*-6-716002|%ASA*-6-721018; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; reference: url, wiki.quadrantsec.com/bin/view/Main/5001962; sid: 5001962; rev: 2;)

# 10.8.5.10|local4|info|info|a6|2014-02-18|02:12:41|%ASA*-6-734001| DAP: User bob, Addr 10.10.10.10, Connection AnyConnect: The following DAP records were selected for this connection: DfltAccessPolicy

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] VPN login from outside HOME_COUNTRY"; program: %ASA*-6-734001; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; reference: url, wiki.quadrantsec.com/bin/view/Main/5001964; sid: 5001964; rev: 2;)

# Cisco ACS (via VPN) - authentication success
# 10.10.10.10|auth|info|info|26|2014-02-20|16:26:58|CisACS_01_PassedAuth| 12s245v32 1 0 Message-Type=Authen OK,User-Name=BOB,NAS-IP-Address=172.16.1.1,Caller-ID=199.44.66.11,NAS-Port=58642432,Group-Name=VPN Users,Filter Information=No Filters activated.,

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] ACS Login success from outside HOME_COUNTRY"; program: CisACS_01_PassedAuth; country_code: track by_src, isnot $HOME_COUNTRY; classtype: successful-user; parse_src_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5001977; sid: 5001977; rev: 3;)

# 2014-05-07 09:32:45|10.8.0.5|129815|local4|info|info|%ASA*-6-722022| Group <GroupPolicy1> User <Bob> IP <10.10.102.102> UDP SVC connection established without compression

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] VPN login from outside HOME_COUNTRY [2]"; program: %ASA*-6-722022|%ASA*-6-722023; country_code: track by_src, isnot $HOME_COUNTRY; classtype: successful-user; parse_src_ip: 1; reference: url, wiki.quadrantsec.com/bin/view/Main/5002058; sid: 5002058; rev: 3;)

# 2014-05-07 16:41:47|192.168.1.1|7050594|local0|info|info|%ASA*-6-303002| FTP connection from inside:10.20.11.20/2351 to dmz:192.168.1.1/21, user bob Stored file somefile

# Track by source
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] FTP file transfer from outside HOME_COUNTRY"; program: %ASA*-6-303002; country_code: track by_src, isnot $HOME_COUNTRY; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: successful-user; normalize; reference: url, wiki.quadrantsec.com/bin/view/Main/5002059; sid: 5002059; rev: 6;)

# Track by dest
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-GEOIP] FTP file transfer to outside HOME_COUNTRY"; program: %ASA*-6-303002; country_code: track by_dst, isnot $HOME_COUNTRY; default_proto: tcp; default_src_port: $HTTPS_PORT; classtype: successful-user; normalize; parse_src_ip: 1; parse_dst_ip: 2; reference: url, wiki.quadrantsec.com/bin/view/Main/5002060; sid: 5002060; rev: 6;)