ET MALWARE ShadowLink IoT Botnet CnC Tasking Request

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri; bsize:4;
content:"/b/q"; fast_pattern;
target:src_ip;
Raw source ET MALWARE ShadowLink IoT Botnet CnC Tasking Request · 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 ShadowLink IoT Botnet CnC Tasking Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:4;
    content:"/b/q"; fast_pattern;
    reference:url,ctrlaltintel.com/research/ProxyPCP/;
    classtype:trojan-activity;
    sid:2068792; rev:1;
    metadata:affected_product IoT, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2026_04_15, deployment Perimeter, deployment SSLDecrypt, malware_family ShadowLink, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_04_15;
    target:src_ip;
)

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