ET MOBILE_MALWARE Android FastViewer Variant Check-In (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?ati=Kur-"; fast_pattern;
http.user_agent;
content:"|3b 20|Android";
http.header_names;
content:!"Referer";
target:src_ip;
Raw source ET MOBILE_MALWARE Android FastViewer Variant Check-In (GET) · 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 MOBILE_MALWARE Android FastViewer Variant Check-In (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?ati=Kur-"; fast_pattern;
    http.user_agent;
    content:"|3b 20|Android";
    http.header_names;
    content:!"Referer";
    reference:md5,1315ac032903371e6e1be2f06875c117;
    reference:url,medium.com/s2wblog/fastviewer-variant-merged-with-fastspy-and-disguised-as-a-legitimate-mobile-application-f3004588f95c;
    classtype:trojan-activity;
    sid:2050687; rev:1;
    metadata:attack_target Mobile_Client, created_at 2024_02_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_02;
    target:src_ip;
)

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