ET MOBILE_MALWARE Android Flubot / LIKEACHARM Stealer Exfil (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.start;
content:"/poll.php HTTP/1.1|0d 0a|Content-Length|3a 20|"; fast_pattern;
http.user_agent;
content:"|28|Linux|3b 20|U|3b 20|Android|20|";
http.host;
pcre:"/^[a-z]{15}\.(?:com|ru|cn|su)$/W";
Raw source ET MOBILE_MALWARE Android Flubot / LIKEACHARM Stealer Exfil (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 -> $EXTERNAL_NET any (
    msg:"ET MOBILE_MALWARE Android Flubot / LIKEACHARM Stealer Exfil (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.start;
    content:"/poll.php HTTP/1.1|0d 0a|Content-Length|3a 20|"; fast_pattern;
    http.user_agent;
    content:"|28|Linux|3b 20|U|3b 20|Android|20|";
    http.host;
    pcre:"/^[a-z]{15}\.(?:com|ru|cn|su)$/W";
    reference:url,twitter.com/bl4ckh0l3z/status/1340960422485213184;
    reference:md5,43f75535144f3315e402a0aa5f181e7d;
    classtype:trojan-activity;
    sid:2031445; rev:2;
    metadata:attack_target Mobile_Client, created_at 2020_12_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_18;
)

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