alert tcp $EXTERNAL_NET any -> $HOME_NET 3535 (msg:"GPL DELETED RMD / attempt"; flow:to_server,established; content:"RMD"; nocase; pcre:"/^RMD\s+\x2f$/smi"; reference:bugtraq,9159; classtype:attempted-dos; sid:2102335; rev:3; metadata:created_at 2010_09_23, signature_severity Unknown, updated_at 2019_07_26;)