GPL SQL dbms_repcat.add_delete_resolution buffer overflow attempt

alert tcp $EXTERNAL_NET any -> $SQL_SERVERS $ORACLE_PORTS (
    msg:"GPL SQL dbms_repcat.add_delete_resolution buffer overflow attempt";
    flow:to_server,established;
    content:"dbms_repcat.add_delete_resolution"; nocase; fast_pattern;
    pcre:"/((\w+)[\r\n\s]*\x3a=[\r\n\s]*(\x27[^\x27]{1024,}\x27|\x22[^\x22]{1024,}\x22)[\r\n\s]*\x3b.*sname[\r\n\s]*=>[\r\n\s]*\2|sname\s*=>\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,})|(\w+)[\r\n\s]*\x3a=[\r\n\s]*(\x27[^\x27]{1024,}\x27|\x22[^\x22]{1024,}\x22)[\r\n\s]*\x3b.*oname[\r\n\s]*=>[\r\n\s]*\2|oname\s*=>\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,})|\(\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,})|\(\s*(\x27[^\x27]*\x27|\x22[^\x22]+\x22)\s*,\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,}))/si";
    classtype:attempted-user;
    sid:2102674; rev:3;
    metadata:created_at 2010_09_23, confidence High, signature_severity Major, updated_at 2019_10_08;
)