alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE AuraC2 Exfiltration (POST)"; flow:established,to_server; flowbits:set,ET.AuraC2; http.method; content:"POST"; http.uri; bsize:16; content:"/api/upload/file"; http.request_body; content:"name|3d 22|client_id|22|"; content:"name|3d 22|category|22|"; content:"|0d 0a 0d 0a|stealer_data|0d 0a|"; fast_pattern; reference:md5,db2c331518143b45e12b5fb9581c0978; reference:url,x.com/whoamix302/status/2041107798575181983; classtype:command-and-control; sid:2068612; 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:src_ip;)