ET RETIRED Hiatus RAT CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/master/Api/active?uuid="; startswith; fast_pattern;
pcre:"/^[a-f0-9]{12}/R";
http.header_names;
content:"|0d 0a|Host|0d 0a|Accept|0d 0a|Content-Type|0d 0a|X_UTIME|0d 0a|X_UUID|0d 0a|X_TOKEN|0d 0a|Content-Length|0d 0a 0d 0a|"; bsize:74;
Raw source ET RETIRED Hiatus RAT CnC Checkin · 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 RETIRED Hiatus RAT CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/master/Api/active?uuid="; startswith; fast_pattern;
    pcre:"/^[a-f0-9]{12}/R";
    http.header_names;
    content:"|0d 0a|Host|0d 0a|Accept|0d 0a|Content-Type|0d 0a|X_UTIME|0d 0a|X_UUID|0d 0a|X_TOKEN|0d 0a|Content-Length|0d 0a 0d 0a|"; bsize:74;
    reference:url,blog.lumen.com/new-hiatusrat-router-malware-covertly-spies-on-victims/;
    classtype:trojan-activity;
    sid:2044503; rev:2;
    metadata:affected_product IoT, attack_target Networking_Equipment, created_at 2023_03_07, deployment SSLDecrypt, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_30, reviewed_at 2024_09_30;
)

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