alert tcp $EXTERNAL_NET 22 -> $HOME_NET any (msg:"GPL EXPLOIT SSH server banner overflow"; flow:established,from_server; content:"SSH-"; nocase; isdataat:200,relative; pcre:"/^SSH-\s[^\n]{200}/ism"; reference:bugtraq,5287; reference:cve,2002-1059; classtype:misc-attack; sid:2101838; rev:9; metadata:created_at 2010_09_23, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)