alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET POLICY External Oracle T3 Requests Inbound"; flow:established,to_server; content:"t3|20|"; startswith; content:"|0a|AS|3a|"; distance:0; fast_pattern; content:"|0a|HL|3a|"; distance:0; content:"|0a 0a|"; endswith; classtype:policy-violation; sid:2030129; rev:2; metadata:attack_target Server, created_at 2020_05_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_08;)