cisco-tacacs.rules

# Sagan cisco-tacacs.rules
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# rules by "Bryant Smith" <bsmith@quadrantsec.com>
# 11/15/2023

alert any $HOME_NET any -> $HOME_NET any (msg:"[CISCO-TACACS] Multiple Failed Login Attempts [Brute Force][25/1]"; program:*TACACS*; content:"Authentication failed"; parse_src_ip:2; after:track by_src,count 25,seconds 300; threshold:type suppress,track by_src,count 1,seconds 86400; xbits:set,brute_force,track ip_src, expire 21600; classtype:unsuccessful-user; sid:5014062; rev:1; metadata:deployment Server,affected_product NONE,affected_version NONE,mitigation NONE,deprecation_reason NONE,tag NONE, created_at 2023_11_09, updated_at 2023_11_09, mitre_tactic_id TA0006, mitre_technique_id T1110;)