drop tcp $EXTERNAL_NET any -> $HOME_NET $SSH_PORT (msg:"[OPENSSH] SYSLOG Authentication failure - Brute force [5/5]"; content: "ssh|3a| failed login attempt"; flowbits: set,brute_force,86400; classtype: unsuccessful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5001954; program: syslog; after: track by_src, count 5, seconds 300; parse_ip_src: 1; threshold: type limit, track by_src, count 5, seconds 300; fwsam: src, 1 day; sid: 5001954; rev:8;)

-- Main.Sagan-Wiki-Add - 2015-10-21

New revisions of 5001954 will be below...

drop tcp $EXTERNAL_NET any -> $HOME_NET $SSH_PORT (msg:"[OPENSSH] SYSLOG Authentication failure - Brute force [5/1]"; content: "ssh|3a| failed login attempt"; flowbits: set,brute_force,21600; classtype: unsuccessful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5001954; program: syslog; after: track by_src, count 5, seconds 300; parse_ip_src: 1; threshold: type limit, track by_src, count 1, seconds 300; fwsam: src, 1 day; sid: 5001954; rev:9;)

-- Main.Sagan-Wiki-Add - 2016-8-30