ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.header;
    content:!"driftmania";
    http.user_agent;
    content:"Mozilla"; depth:7;
    http.host;
    content:!"coreftp.com";
    http.request_body;
    content:"data="; depth:5; fast_pattern;
    pcre:"/^[A-F0-9]{100,}$/R";
    http.header_names;
    content:!"Referer";
    reference:md5,a3440b6117f3783989683753c9f394dd;
    classtype:command-and-control;
    sid:2022504; rev:8;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_02_11, deployment Perimeter, malware_family Ransomware, malware_family Alphacrypt, malware_family TeslaCrypt, signature_severity Major, tag Ransomware, tag c2, updated_at 2020_09_15, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)