# Sagan cisco-correlated.rules
# Copyright (c) 2009-2020. Quadrant Information Security <www.quadrantsec.com>
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alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Console login after recon activity"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; classtype: correlated-attack; xbits: isset,recon,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003210; sid:5003210; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Console login after honeypot activity"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; classtype: correlated-attack; xbits: isset,honeypot,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003211; sid:5003211; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Console login after exploit attempt"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; classtype: correlated-attack; xbits: isset,exploit_attempt,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003212; sid:5003212; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Console login after brute force activity"; program: %SEC_LOGIN-5-LOGIN_SUCCESS; classtype: correlated-attack; xbits: isset,brute_force,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003232; sid:5003232; rev:3;)


alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Login permitted after recon activity"; program: %ASA*-6-605005; classtype: correlated-attack; xbits: isset,recon,track ip_src; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003213; sid:5003213; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Login permitted after honeypot activity"; program: %ASA*-6-605005; classtype: correlated-attack; xbits: isset,honeypot,track ip_src; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003214; sid:5003214; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Login permitted after exploit attempt"; program: %ASA*-6-605005; classtype: correlated-attack; xbits: isset,exploit_attempt,track ip_src; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003215; sid:5003215; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] Login permitted after brute force activity"; program: %ASA*-6-605005; classtype: correlated-attack; xbits: isset,brute_force,track ip_src; parse_src_ip: 1; parse_dst_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003233; sid:5003233; rev:3;)


alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN login after recon activity"; program: %ASA*-6-716001|%ASA*-6-716038|%ASA*-6-734001|%ASA*-6-722022|%ASA*-6-722023; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,recon,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003216; sid:5003216; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN login after honey activity"; program: %ASA*-6-716001|%ASA*-6-716038|%ASA*-6-734001|%ASA*-6-722022|%ASA*-6-722023; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,honeypot,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003217; sid:5003217; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN login after exploit attempt"; program: %ASA*-6-716001|%ASA*-6-716038|%ASA*-6-734001|%ASA*-6-722022|%ASA*-6-722023; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,exploit_attempt,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003218; sid:5003218; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN login after brute force activity"; program: %ASA*-6-716001|%ASA*-6-716038|%ASA*-6-734001|%ASA*-6-722022|%ASA*-6-722023; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,brute_force,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003234; sid:5003234; rev:3;)

# These can be pretty noisy if a VPN client is misconfigured.  This will cause a lot of xbit lookups.

#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN disconnect after recon activity"; program: %ASA*-4-113019|%ASA*-6-716002|%ASA*-6-721018; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,recon,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003219; sid:5003219; rev:3;)
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN disconnect after honeypot activity"; program: %ASA*-4-113019|%ASA*-6-716002|%ASA*-6-721018; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,honeypot,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003220; sid:5003220; rev:3;)
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN disconnect after exploit attempt"; program: %ASA*-4-113019|%ASA*-6-716002|%ASA*-6-721018; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,exploit_attempt,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003221; sid:5003221; rev:3;)
#alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] VPN disconnect after brute force activity"; program: %ASA*-4-113019|%ASA*-6-716002|%ASA*-6-721018; default_proto: tcp; default_dst_port: $HTTPS_PORT; classtype: correlated-attack; xbits: isset,brute_force,track ip_src; parse_src_ip: 1; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003235; sid:5003235; rev:3;)


alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] ACS Login success after recon activity"; program: CisACS_01_PassedAuth; classtype: correlated-attack; xbits: isset,recon,track ip_src; parse_src_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003222; sid:5003222; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] ACS Login success after honeypot activity"; program: CisACS_01_PassedAuth; classtype: correlated-attack; xbits: isset,honeypot,track ip_src; parse_src_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003223; sid:5003223; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] ACS Login success after exploit attempt"; program: CisACS_01_PassedAuth; classtype: correlated-attack; xbits: isset,exploit_attempt,track ip_src; parse_src_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003224; sid:5003224; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] ACS Login success brute force activity"; program: CisACS_01_PassedAuth; classtype: correlated-attack; xbits: isset,brute_force,track ip_src; parse_src_ip: 2; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003236; sid:5003236; rev:3;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] FTP file transfer after recon activity"; program: %ASA*-6-303002|%ASA*-6-303002; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: correlated-attack; xbits: isset,recon,track ip_src; normalize; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003225; sid:5003225; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] FTP file transfer after honeypot activity"; program: %ASA*-6-303002|%ASA*-6-303002; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: correlated-attack; xbits: isset,honeypot,track ip_src; normalize; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003226; sid:5003226; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] FTP file transfer after exploit attempt"; program: %ASA*-6-303002|%ASA*-6-303002; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: correlated-attack; xbits: isset,exploit_attempt,track ip_src; normalize; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003227; sid:5003227; rev:3;)
alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[CISCO-CORRELATED] FTP file transfer after brute force activity"; program: %ASA*-6-303002|%ASA*-6-303002; default_proto: tcp; default_dst_port: $FTP_PORT; classtype: correlated-attack; xbits: isset,brute_force,track ip_src; normalize; threshold: type suppress, track by_src, count 5, seconds 3600; reference: url, wiki.quadrantsec.com/bin/view/Main/5003237; sid:5003237; rev:3;)