ET MOBILE_MALWARE Android/MMRAT CnC Checkin M2

Query · suricata

flow:established,to_server;
content:"|10|"; offset:5;
pcre:"/^[a-f0-9]{16}/R";
content:"|01 01 34 90 01 01|"; fast_pattern; endswith;
byte_jump:1,0, from_beginning;
isdataat:!2,relative;
threshold:type limit, count 1, seconds 180, track by_src;
target:src_ip;
Raw source ET MOBILE_MALWARE Android/MMRAT CnC Checkin M2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MOBILE_MALWARE Android/MMRAT CnC Checkin M2";
    flow:established,to_server;
    content:"|10|"; offset:5;
    pcre:"/^[a-f0-9]{16}/R";
    content:"|01 01 34 90 01 01|"; fast_pattern; endswith;
    byte_jump:1,0, from_beginning;
    isdataat:!2,relative;
    threshold:type limit, count 1, seconds 180, track by_src;
    reference:url,www.trendmicro.com/en_us/research/23/h/mmrat-carries-out-bank-fraud-via-fake-app-stores.html;
    reference:md5,5b90ee49ed678379f1a8be9683b3fc99;
    classtype:trojan-activity;
    sid:2048086; rev:1;
    metadata:affected_product Android, attack_target Client_Endpoint, created_at 2023_09_13, deployment Perimeter, malware_family MMRAT, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_09_13, reviewed_at 2023_09_13;
    target:src_ip;
)

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