alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Boaxxe.BR CnC Beacon"; flow:established,to_server; content:"|7c|CM01|7c|CM02|7c|CM03|7c|"; content:!">"; reference:md5,ec38ae7c35be4d7f8103bf1db692d2f8; classtype:command-and-control; sid:2021748; rev:2; metadata:attack_target Client_Endpoint, created_at 2015_09_08, deployment Perimeter, malware_family Win32_Boaxxe_BR, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)