ET MALWARE PHP Skimmer Exfil Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".dll"; endswith;
http.content_type;
content:"text/plain"; bsize:10;
http.request_body;
content:"|22|cc_type|22|";
content:"|22|cc_number|22|"; fast_pattern;
content:"|22|ip|22|";
content:"|22|cc_cid|22|";
content:"|22|site|22|";
Raw source ET MALWARE PHP Skimmer Exfil Attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HTTP_SERVERS,$HOME_NET] any -> $EXTERNAL_NET any (
    msg:"ET MALWARE PHP Skimmer Exfil Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".dll"; endswith;
    http.content_type;
    content:"text/plain"; bsize:10;
    http.request_body;
    content:"|22|cc_type|22|";
    content:"|22|cc_number|22|"; fast_pattern;
    content:"|22|ip|22|";
    content:"|22|cc_cid|22|";
    content:"|22|site|22|";
    reference:url,lukeleal.com/research/posts/secure-authorize-dot-net-skimmer/;
    classtype:command-and-control;
    sid:2032829; rev:2;
    metadata:affected_product Web_Server_Applications, affected_product Magento, attack_target Web_Server, created_at 2021_04_26, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2021_04_26;
)

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