alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Portuguese JS Dropper Payload Request"; flow:established,to_server; http.uri; bsize:8; content:"/cim.png"; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,4a9d2ff9cc48782f9927050a1ca36847; classtype:trojan-activity; sid:2072258; rev:1; metadata:affected_product Windows_Client, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_09_24, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2026_09_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer; target:src_ip;)