alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Bancos.AMM CnC Beacon"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"ID_MAQUINA="; startswith; nocase; fast_pattern; content:"&VERSAO="; distance:0; nocase; content:"&WIN="; distance:0; nocase; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,f52ff1dc059f1df95781830d84a12869; classtype:command-and-control; sid:2021439; rev:5; metadata:attack_target Client_Endpoint, created_at 2015_07_20, deployment Perimeter, malware_family Bancos, signature_severity Major, tag Banking_Trojan, tag c2, updated_at 2024_04_20, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)