alert http1 $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Smocker Server Mock Tool Response"; flow:established,to_client; http.response_line; bsize:28; content:"HTTP/1.1 666 status code 666"; fast_pattern; reference:url,github.com/Thiht/smocker; classtype:misc-activity; sid:2048898; rev:3; metadata:attack_target Client_Endpoint, created_at 2023_10_25, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_03, reviewed_at 2023_10_25; target:dest_ip;)