alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected Smokeloader Payload Related Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/connS.php?"; endswith; fast_pattern; http.header_names; content:!"Referer|0d 0a|"; http.request_body; content:"TRT="; startswith; content:"&IMACH="; distance:0; reference:md5,bcb2c402c896b5477e1f94a1c7278682; classtype:trojan-activity; sid:2052949; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_05_29, deployment Perimeter, malware_family SmokeLoader, confidence High, signature_severity Critical, tag c2, updated_at 2024_05_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)