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cisco-bluedot.rules
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# Sagan cisco-bluedot.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:
#
# * 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.
#
# Cisco Anyconnect
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious TCP connection detected via Bluedot"; program: %*-6-*|%*-7-*; content: " TCP "; content:!" bytes 0 "; bluedot: type ip_reputation, track all, mdate_effective_period 1 months, Malicious,Tor,Proxy; normalize; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid: 5002868; rev:7;)
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious UDP connection detected via Bluedot"; program: %*-6-*|%*-7-*; content: " UDP "; content:!" bytes 0 "; content:!"|2f|123 "; bluedot: type ip_reputation, track all, mdate_effective_period 1 months, Malicious,Tor,Proxy; normalize; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid: 5002869; rev:9;)
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious ICMP connection detected via Bluedot"; program: %*-6-*|%*-7-*; content: " ICMP "; bluedot: type ip_reputation, track all, mdate_effective_period 1 months, Malicious,Tor,Proxy; normalize; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: icmp; classtype: suspicious-traffic; sid:5002879; rev:8;)
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious GRE connection detected via Bluedot"; program: %*-6-*|%*-7-*; content: " GRE "; bluedot: type ip_reputation, track all, mdate_effective_period 1 months, Malicious,Tor,Proxy; normalize; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 1, seconds 7200; classtype: suspicious-traffic; sid:5002880; rev:8;)
# 192.168.1.1|local4|info|info|192.168.1.1|2021-05-16T19:17:28Z|2021-05-16T19:17:28Z|| %ASA-6-302015: Built outbound UDP connection 123456781 for outside:8.8.8.8/53 (8.8.8.8/53) to inside:10.9.1.33/50158 (12.159.2.1/213458)
# --- Suspicious TCP events OUTBOUND -----
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND TCP connection to Tor"; content: "-6-302013"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005782; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND TCP connection to a Malicious IP"; content: "-6-302013"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005783; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND TCP connection to a Proxy IP"; content: "-6-302013"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005784; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND TCP connection to a know Honeypot attacker"; content: "-6-302013"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005785; rev:1;)
# --- Suspicious UDP events OUTBOUND -----
# Tor is TCP traffic is TCP only
#
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND UDP connection to Tor"; content: "-6-302015"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005786; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND UDP connection to a Malicious IP"; content: "-6-302015"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005787; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND UDP connection to a Proxy IP"; content: "-6-302015"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005788; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND UDP connection to a known Honeypot attacker"; content: "-6-302015"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005789; rev:1;)
# --- Suspicious ICMP events OUTBOUND -----
# Tor is TCP traffic only
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND ICMP connection to Tor"; content: "-6-302020"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005790; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND ICMP connection to a Malicious IP"; content: "-6-302020"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all, mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005791; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND ICMP connection to a Proxy IP"; content: "-6-302020"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005792; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND ICMP connection to a known Honeypot attacker"; content: "-6-302020"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005793; rev:1;)
# --- Suspicious GRE events OUTBOUND -----
# Tor is TCP traffic only
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND GRE connection to Tor"; content: "-6-302017"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005794; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND GRE connection to a Malicious IP"; content: "-6-302017"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005795; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND GRE connection to a Proxy IP"; content: "-6-302017"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005796; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious OUTBOUND GRE connection to a known Honeypot attacker"; content: "-6-302017"; content: "Built outbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 1; parse_src_ip: 3; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005797; rev:1;)
# --- Suspicious TCP events INBOUND -----
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND TCP connection from Tor"; content: "-6-302013"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005798; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND TCP connection from a Malicious IP"; content: "-6-302013"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005799; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND TCP connection from a Proxy IP"; content: "-6-302013"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005800; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND TCP connection from a know Honeypot attacker"; content: "-6-302013"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005801; rev:1;)
# --- Suspicious UDP events INBOUND -----
# Tor is TCP traffic only
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND UDP connection from Tor"; content: "-6-302015"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005802; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND UDP connection from a Malicious IP"; content: "-6-302015"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005803; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND UDP connection from a Proxy IP"; content: "-6-302015"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005804; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND UDP connection from a know Honeypot attacker"; content: "-6-302015"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005805; rev:1;)
# --- Suspicious ICMP events INBOUND -----
# Tor is TCP traffic only
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND ICMP connection from Tor"; content: "-6-302020"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005806; rev:2;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND ICMP connection from a Malicious IP"; content: "-6-302020"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005807; rev:2;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND ICMP connection from a Proxy IP"; content: "-6-302020"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005808; rev:2;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND ICMP connection from a know Honeypot attacker"; content: "-6-302020"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005809; rev:2;)
# --- Suspicious GRE events INBOUND -----
#
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND GRE connection from Tor"; content: "-6-302018"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Tor; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005810; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND GRE connection from a Malicious IP"; content: "-6-302018"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Malicious; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005811; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND GRE connection from a Proxy IP"; content: "-6-302018"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Proxy; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005812; rev:1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[CISCO-BLUEDOT] Suspicious INBOUND GRE connection from a know Honeypot attacker"; content: "-6-302018"; content: "Built inbound"; append_program; bluedot: type ip_reputation, track all,mdate_effective_period 3 months,Honeypot; normalize; parse_dst_ip: 3; parse_src_ip: 1; threshold: type suppress, track by_src, count 1, seconds 7200; default_proto: tcp; classtype: suspicious-traffic; sid:5005813; rev:1;)
############
# -6-722022,-6-722023
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN Login from suspicious source"; program: %*-6-716038; bluedot: type ip_reputation, track all, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5002870; rev: 5;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN Login from Tor"; meta_content:"%sagan%",-6-716038,-6-605005,-6-734001,-6-722022,-6-722023; append_program; bluedot: type ip_reputation, track all, mdate_effective_period 3 months, Tor; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; normalize; parse_src_ip: 1; sid:5005814; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN Login from known Proxy"; meta_content:"%sagan%",-6-716038,-6-605005,-6-734001,-6-722022,-6-722023; append_program; bluedot: type ip_reputation, track all, mdate_effective_period 3 months, Proxy; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; normalize; parse_src_ip: 1; sid:5005815; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN Login from an IP that has attacked Honeypots"; meta_content:"%sagan%",-6-716038,-6-605005,-6-734001,-6-722022,-6-722023; append_program; bluedot: type ip_reputation, track all, mdate_effective_period 2 months, Honeypot; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; normalize; parse_src_ip: 1; sid:5005816; rev: 2;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN Login from a known Malicious IP"; meta_content:"%sagan%",-6-716038,-6-605005,-6-734001,-6-722022,-6-722023; append_program; bluedot: type ip_reputation, track all, mdate_effective_period 3 months, Malicious; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; normalize; parse_src_ip: 1; sid:5005817; rev: 1;)
# %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-BLUEDOT] Console login from suspicious source"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; classtype: successful-user; parse_src_ip: 1; sid:5002871; rev: 4;)
#
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Console login from known malicious source"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious; classtype: successful-user; parse_src_ip: 1; sid:5005834; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Console login from Tor node"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Tor; classtype: successful-user; parse_src_ip: 1; sid:5005835; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Console login from known proxy"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Proxy; classtype: successful-user; parse_src_ip: 1; sid:5005837; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Console login from an IP associated with attacking a honeypot"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Honeypot; classtype: successful-user; parse_src_ip: 1; sid:5005836; rev: 1;)
# 10.1.2.1|local4|info|info|a6|2013-12-02|08:00:03|%*-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-BLUEDOT] Login permitted from suspicious source"; program: %*-6-605005; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; classtype: successful-user; parse_src_ip: 1; parse_dst_ip: 2; sid:5002872; rev: 4;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Login permitted from Tor address"; content:"-6-605005"; append_program; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Tor; classtype: successful-user; parse_src_ip: 1; parse_dst_ip: 2; sid:5005818; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Login permitted from a known malicious IP"; content:"-6-605005"; append_program; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious; classtype: successful-user; parse_src_ip: 1; parse_dst_ip: 2; sid:5005819; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Login permitted from Proxy IP"; content:"-6-605005"; append_program; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Proxy; classtype: successful-user; parse_src_ip: 1; parse_dst_ip: 2; sid:5005820; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] Login permitted from an IP observed attacking Honeypots"; content:"-6-605005"; append_program; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Honeypot; classtype: successful-user; parse_src_ip: 1; parse_dst_ip: 2; sid:5005821; rev: 1;)
# WebVPN
# This is covered by signatures above with a meta_content.
#
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN login from suspicious source"; program: %*-6-716001|%*-6-716038; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5002873; rev: 4;)
# 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-BLUEDOT] VPN disconnect from suspicious source"; program: %*-4-113019|%*-6-716002|%*-6-721018; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5002874; rev: 5;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN disconnect from a known malicious source"; append_program; meta_content: "%sagan%",-6-113019,-6-716002,-6-721018; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5005822; rev: 3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN disconnect from a Tor address"; append_program; meta_content: "%sagan%",-6-113019,-6-716002,-6-721018; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Tor; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5005823; rev: 3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN disconnect from IP address that attack a honeypot"; append_program; meta_content: "%sagan%",-6-113019,-6-716002,-6-721018; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Honeypot; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5005824; rev: 3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN disconnect from known proxy IP"; append_program; meta_content: "%sagan%",-6-113019,-6-716002,-6-721018; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Proxy; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5005825; rev: 3;)
# 10.8.5.10|local4|info|info|a6|2014-02-18|02:12:41|%*-6-734001| DAP: User bob, Addr 10.10.10.10, Connection AnyConnect: The following DAP records were selected for this connection: DfltAccessPolicy
# This is cover by the VPN rule above via meta_content.
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN/AnyConnect login from suspicious source"; program: %*-6-734001; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: successful-user; parse_src_ip: 1; sid:5002875; rev: 4;)
# 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-BLUEDOT] ACS Login success from suspicious source"; program: CisACS_01_PassedAuth; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; classtype: successful-user; parse_src_ip: 2; sid:5002876; rev: 4;)
#
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] ACS Login success from Tor IP"; program: CisACS_01_PassedAuth; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Tor; classtype: successful-user; parse_src_ip: 2; sid:5005830; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] ACS Login success from Malicious IP"; program: CisACS_01_PassedAuth; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious; classtype: successful-user; parse_src_ip: 2; sid:5005831; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] ACS Login success from a known proxy IP"; program: CisACS_01_PassedAuth; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Proxy; classtype: successful-user; parse_src_ip: 2; sid:5005832; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] ACS Login success from an IP address associated with attack a honeypot"; program: CisACS_01_PassedAuth; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; classtype: successful-user; parse_src_ip: 2; sid:5005833; rev: 1;)
# 2014-05-07 09:32:45|10.8.0.5|129815|local4|info|info|%*-6-722022| Group <GroupPolicy1> User <Bob> IP <10.10.102.102> UDP SVC connection established without compression
# This is cover about by meta_content
#
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] VPN login from suspicious source [2]"; program: %*-6-722022|%*-6-722023; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; classtype: successful-user; parse_src_ip: 1; sid:5002877; rev: 4;)
# 2014-05-07 16:41:47|192.168.1.1|7050594|local0|info|info|%*-6-303002| FTP connection from inside:10.20.11.20/2351 to dmz:192.168.1.1/21, user bob Stored file somefile
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] FTP file transfer from or to suspicious source"; program: %*-6-303002; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious,Tor,Honeypot,Proxy; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: successful-user; normalize; sid: 5002878; rev: 5;)
#
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] FTP file transfer from or to malicious source"; program: %*-6-303002; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Malicious; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: successful-user; normalize; sid:5005826; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] FTP file transfer from or to known proxy"; program: %*-6-303002; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Proxy; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: successful-user; normalize; sid:5005827; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] FTP file transfer from or to an IP associated with attacking a honeypot"; program: %*-6-303002; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months,Honeypot; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: successful-user; normalize; sid:5005828; rev: 1;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-BLUEDOT] FTP file transfer from or to Tor IP"; program: %*-6-303002; bluedot: type ip_reputation, track by_src, mdate_effective_period 3 months, Tor; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: successful-user; normalize; sid:5005829; rev: 1;)