alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE TinyLoader CnC Response M1"; flow:established,to_client; flowbits:isset,ET.TinyLoader.C2; http.response_body; bsize:<30; content:"*"; startswith; content:"|27 3a 27|"; endswith; fast_pattern; reference:md5,7a2e26326e31dc7350e4f41c4b9bc26f; reference:md5,3c352f7692e8f30fd684795394c69e69; reference:url,app.any.run/tasks/e2dbfe51-2096-4d5a-be31-90da7e6bac37; reference:url,x.com/ViriBack/status/1953082805136605440; classtype:trojan-activity; sid:2063947; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_08_07, deployment Perimeter, malware_family TinyLoader, performance_impact Moderate, confidence High, signature_severity Critical, tag c2, updated_at 2025_08_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)