ET MALWARE BandarChor Ransomware Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"number="; depth:7;
content:"&id="; distance:0;
content:"&pc="; distance:0;
content:"&tail="; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE BandarChor Ransomware Checkin · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE BandarChor Ransomware Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"number="; depth:7;
    content:"&id="; distance:0;
    content:"&pc="; distance:0;
    content:"&tail="; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,fba4af888ae0e838dd083d4cfebc8f39;
    reference:md5,d32b6c067e64c141b0c239d23ab1ffd1;
    reference:url,f-secure.com/weblog/archives/00002795.html;
    classtype:command-and-control;
    sid:2021685; rev:8;
    metadata:attack_target Client_Endpoint, created_at 2015_08_18, deployment Perimeter, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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