ET MOBILE_MALWARE APT33/Charming Kitten Android/LittleLooter Activity (POST)

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST|20|/|20|HTTP/1.1";
http.user_agent;
content:"|3b 20|Android|20|";
http.host;
content:".xyz"; endswith;
http.request_body;
content:"sk="; startswith; fast_pattern;
content:"&cs="; distance:0;
http.header_names;
content:!"Referer";
Raw source ET MOBILE_MALWARE APT33/Charming Kitten Android/LittleLooter Activity (POST) · 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 APT33/Charming Kitten Android/LittleLooter Activity (POST)";
    flow:established,to_server;
    http.request_line;
    content:"POST|20|/|20|HTTP/1.1";
    http.user_agent;
    content:"|3b 20|Android|20|";
    http.host;
    content:".xyz"; endswith;
    http.request_body;
    content:"sk="; startswith; fast_pattern;
    content:"&cs="; distance:0;
    http.header_names;
    content:!"Referer";
    reference:url,threatpost.com/black-hat-charming-kitten-opsec-goofs-training-videos/168394/;
    reference:md5,a04c2c3388da643ef67504ef8c6907fb;
    classtype:command-and-control;
    sid:2033686; rev:1;
    metadata:attack_target Mobile_Client, created_at 2021_08_09, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_09;
)

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