ET MOBILE_MALWARE Phenakite Image Upload CnC activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.accept;
content:"*/*"; bsize:3;
http.content_type;
content:"application/json"; bsize:16;
http.request_body;
content:"|22|img_name|22 3a 22|"; fast_pattern;
content:"|22|img|22 3a 22|";
Raw source ET MOBILE_MALWARE Phenakite Image Upload CnC activity · Suricata
Esc
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 Phenakite Image Upload CnC activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.accept;
    content:"*/*"; bsize:3;
    http.content_type;
    content:"application/json"; bsize:16;
    http.request_body;
    content:"|22|img_name|22 3a 22|"; fast_pattern;
    content:"|22|img|22 3a 22|";
    reference:url,about.fb.com/wp-content/uploads/2021/04/Technical-threat-report-Arid-Viper-April-2021.pdf;
    classtype:targeted-activity;
    sid:2032810; rev:1;
    metadata:affected_product iOS, attack_target Mobile_Client, created_at 2021_04_23, deployment Perimeter, deployment SSLDecrypt, malware_family Phenakite, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_23;
)

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