alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE OnionDrop CnC Panel Response"; flow:established,to_client; flowbits:isset,ET.OnionDropPanel; http.response_body; content:"|7b 22|fired|22|"; startswith; fast_pattern; content:"|22|bemob|5f|alt|5f|code|22|"; distance:0; content:"|22|bemob|5f|cid|22|"; distance:0; content:"|22|masqrad|5f|code|22|"; distance:0; reference:url,cyderes.com/howler-cell/oniondrop-malware-analysis; reference:md5,77efad936a01ed754dcfeae281d7d521; classtype:trojan-activity; sid:2071885; rev:1; metadata:affected_product Windows_Client, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_09_01, deployment Perimeter, deployment SSLDecrypt, malware_family OnionDrop, confidence High, signature_severity Critical, tag c2, updated_at 2026_09_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:dest_ip;)