alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE PATCHCORD C2 Task (browser hijack)"; flow:established,to_client; http.response_body; content:"|3c 21 2d 2d 1e|"; startswith; reference:url,www.acronis.com/en/tru/posts/patchcord-new-malware-cluster-targets-afghan-telecom-and-south-asian-critical-infrastructure/; classtype:trojan-activity; sid:2072116; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_09_21, deployment Perimeter, malware_family PATCHCORD, confidence High, signature_severity Major, tag c2, updated_at 2026_09_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)