ET MALWARE BlackTech Plead Encrypted Payload Inbound

Query · suricata

flow:established,from_server;
http.stat_code;
content:"200";
file.data;
content:"|91 00 13 87 33 00 90 06 19|"; fast_pattern;
Raw source ET MALWARE BlackTech Plead Encrypted Payload Inbound · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE BlackTech Plead Encrypted Payload Inbound";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"|91 00 13 87 33 00 90 06 19|"; fast_pattern;
    reference:url,www.welivesecurity.com/2019/05/14/plead-malware-mitm-asus-webstorage/;
    classtype:trojan-activity;
    sid:2027364; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_17, deployment Perimeter, malware_family Plead, performance_impact Low, confidence Medium, signature_severity Major, tag APT, tag BlackTech, updated_at 2020_10_20;
)

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