ET MALWARE Fullz House Credit Card Skimmer JavaScript Inbound

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.response_body;
content:"var SendFlag = []|3b 0a|function Base64Function(e) {|0d|"; startswith; fast_pattern;
content:"|0a|function SendData(vals){|0a|"; distance:0;
content:"var b = document.createElement|28 22|img|22 29 3b|b.width = |22|1px|22 3b|b.height = |22|1px|22 3b 20|b.id = img_id|3b|b.src = atob|28 22|";
Raw source ET MALWARE Fullz House Credit Card Skimmer JavaScript Inbound · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Fullz House Credit Card Skimmer JavaScript Inbound";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"var SendFlag = []|3b 0a|function Base64Function(e) {|0d|"; startswith; fast_pattern;
    content:"|0a|function SendData(vals){|0a|"; distance:0;
    content:"var b = document.createElement|28 22|img|22 29 3b|b.width = |22|1px|22 3b|b.height = |22|1px|22 3b 20|b.id = img_id|3b|b.src = atob|28 22|";
    reference:url,blog.malwarebytes.com/malwarebytes-news/2020/10/mobile-network-operator-falls-into-the-hands-of-fullz-house-criminal-group/;
    classtype:command-and-control;
    sid:2030981; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_10_06, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag CardSkimmer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_06;
)

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