alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PrivateLoader CnC Activity (GET)"; flow:established,to_server; flowbits:set,ET.privateloader.fishy; urilen:<30; http.method; content:"GET"; http.uri; content:"|2f|api|2f|"; startswith; content:"fish.php"; endswith; fast_pattern; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; nocase; http.connection; bsize:10; content:"Keep-Alive"; reference:md5,164a9c52deb23309bf904a7c8f475ffd; reference:url,app.any.run/tasks/7519a789-1a30-4e19-8470-d557c90be774; reference:url,x.com/g0njxa/status/1816843534801985772; classtype:trojan-activity; sid:2054709; 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_07_26, deployment Perimeter, malware_family PrivateLoader, confidence High, signature_severity Critical, tag c2, updated_at 2024_07_26, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)