ET MALWARE BandarChor/CryptON Ransomware Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE BandarChor/CryptON Ransomware Checkin";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"=8ACEFC"; offset:1; depth:7; fast_pattern;
    pcre:"/=8ACEFC[0-9A-F]{150,}$/";
    http.content_type;
    content:"application/x-www-form-urlencoded"; startswith;
    reference:md5,5ee28035c56c048580c64b67ec4f2124;
    classtype:command-and-control;
    sid:2022875; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2016_06_08, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, updated_at 2020_07_14, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)