alert tcp $EXTERNAL_NET any -> $HOME_NET $SSH_PORT (msg: "[OPENSSH] User logged into a disabled account"; pcre: "/accepted|authenticated/i"; pcre: "/^apache$|^mysql$|^www$|^nobody$|^nogroup$|^portmap$|^named$|^rpc$|^mail$|^ftp$|^shutdown$|^halt$|^daemon$|^bin$|^postfix$|^shell$|^info$|^guest$|^psql$|^user$|^users$|^console$|^uucp$|^lp$|^sync$|^sshd$|^cdrom$|^ossec$|^sagan$/"; parse_src_ip: 1; parse_port; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5000411; program: sshd; sid: 5000411; rev:4;)

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

New revisions of 5000411 will be below...

alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[OPENSSH] User logged into a disabled account"; meta_content: "%sagan%",accepted,authenticated; meta_nocase; meta_content: " %sagan% ",apache,mysql,www,nobody,nogroup,portmap,named,rpc,mail,ftp,shutdown,halt,daemon,bin,postfix,shell,info,guest,psql,user,users,console,uucp,lp,sync,sshd,cdrom,ossec,sagan,www-data; parse_src_ip: 1; parse_port; default_proto: tcp; default_dst_port: $SSH_PORT; classtype: successful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5000411; program: sshd; sid: 5000411; rev:7;)

-- Main.Sagan-Wiki-Add - 2021-4-12