alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE AuraC2 Victim Registration Confirmation"; flow:established,to_client; flowbits:isset,ET.AuraC2; http.response_body; content:"|7b 22|client|5f|id|22 3a|"; startswith; content:"commands"; content:"heartbeat_interval|22 3a|"; fast_pattern; reference:md5,db2c331518143b45e12b5fb9581c0978; reference:url,x.com/whoamix302/status/2041107798575181983; classtype:command-and-control; sid:2068611; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_04_07, deployment Perimeter, deployment SSLDecrypt, malware_family AuraC2, confidence High, signature_severity Critical, tag c2, updated_at 2026_04_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:dest_ip;)