ET MALWARE System Information Being Sent in User-Agent

Query · suricata

flow:established,to_server;
http.user_agent;
content:"UserName|3a 20|"; fast_pattern;
content:"System|3a 20|";
content:"GPU|3a 20|";
content:"RAM|3a 20|";
content:"CPU|3a 20|";
Raw source ET MALWARE System Information Being Sent in User-Agent · Suricata
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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 MALWARE System Information Being Sent in User-Agent";
    flow:established,to_server;
    http.user_agent;
    content:"UserName|3a 20|"; fast_pattern;
    content:"System|3a 20|";
    content:"GPU|3a 20|";
    content:"RAM|3a 20|";
    content:"CPU|3a 20|";
    reference:md5,64f0fdfbfaa142ae83d8c3f9326e7a94;
    classtype:trojan-activity;
    sid:2037038; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_17, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_17;
)

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