alert tcp $EXTERNAL_NET any -> $HOME_NET $SSH_PORT (msg:"[OPENSSH] Invalid or illegal user [Brute Force] [10/5]"; pcre: "/invalid user|illegal user/i"; flowbits: set, illegal_user.unix.ssh&illegal_user.generic, 86400; classtype: attempted-user; program: sshd; parse_src_ip: 1; after: track by_src, count 10, seconds 300; threshold:type limit, track by_src, count 5, seconds 300; reference: url,wiki.quadrantsec.com/bin/view/Main/5000022; sid: 5000022; rev:13;)

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

New revisions of 5000022 will be below...

alert tcp $EXTERNAL_NET any -> $HOME_NET $SSH_PORT (msg:"[OPENSSH] Invalid or illegal user [Brute Force] [10/1]"; pcre: "/invalid user|illegal user/i"; flowbits: set,brute_force,21600; classtype: attempted-user; program: sshd; normalize; parse_src_ip: 1; parse_port; after: track by_src, count 10, seconds 300; threshold:type limit, track by_src, count 1, seconds 300; reference: url,wiki.quadrantsec.com/bin/view/Main/5000022; sid: 5000022; rev:16;)

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

Topic revision: r1 - 2015-10-21 - Sagan-Wiki-Add
 
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