alert tcp $EXTERNAL_NET any -> $SQL_SERVERS 1433 (msg:"GPL SHELLCODE MSSQL shellcode attempt"; flow:to_server,established; content:"9 |D0 00 92 01 C2 00|R|00|U|00|9 |EC 00|"; fast_pattern; classtype:shellcode-detect; sid:2100691; rev:8; metadata:created_at 2010_09_23, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;)