alert tcp $EXTERNAL_NET any -> $SQL_SERVERS $ORACLE_PORTS (msg:"GPL SQL alter file buffer overflow attempt"; flow:established,to_server; content:"alter"; nocase; fast_pattern; pcre:"/ALTER\s.*?FILE\s+((AS|MEMBER|TO)\s+)?(\x27[^\x27]{512}|\x22[^\x22]{512})/smi"; classtype:attempted-user; sid:2102697; rev:5; metadata:created_at 2010_09_23, confidence High, signature_severity Major, updated_at 2024_03_08;)