alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin"; flow:established,to_server; content:"|09 12 3b 42|"; depth:4; content:"|33 a2 44|"; distance:1; within:3; content:"|01 86 73|"; distance:1; within:3; threshold:type limit, count 1, seconds 120, track by_src; reference:md5,8322266fc84da79419adc44d3acc49c3; classtype:command-and-control; sid:2036734; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_02_21, deployment Perimeter, malware_family AveMaria, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2022_03_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1573, mitre_technique_name Encrypted_Channel;)