alert tcp $EXTERNAL_NET any -> $HOME_NET 109 (msg:"GPL DELETED FOLD overflow attempt"; flow:established,to_server; content:"FOLD"; nocase; isdataat:256,relative; pcre:"/^FOLD\s[^\n]{256}/smi"; reference:bugtraq,283; reference:cve,1999-0920; reference:nessus,10130; classtype:attempted-admin; sid:2101934; rev:11; metadata:created_at 2010_09_23, signature_severity Unknown, updated_at 2019_07_26;)