alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Quad7 Botnet UPDTAE Backdoor CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:9; content:"/iot/post"; http.user_agent; bsize:3; content:"IOT"; fast_pattern; reference:url,blog.sekoia.io/a-glimpse-into-the-quad7-operators-next-moves-and-associated-botnets/; classtype:trojan-activity; sid:2064288; rev:1; metadata:affected_product IoT, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_09_04, deployment Perimeter, malware_family Quad7_Botnet, malware_family UPDTAE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_04, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel; target:src_ip;)