ET MALWARE Glassworm CnC Activity (CrowdStrike Sinkhole)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.host;
content:"164.92.88.210"; fast_pattern;
target:src_ip;
Raw source ET MALWARE Glassworm CnC Activity (CrowdStrike Sinkhole) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HOME_NET,$HTTP_SERVERS] any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Glassworm CnC Activity (CrowdStrike Sinkhole)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.host;
    content:"164.92.88.210"; fast_pattern;
    reference:url,crowdstrike.com/en-us/blog/inside-crowdstrike-takedown-of-a-developer-targeting-botnet/;
    reference:url,koi.ai/blog/glassworm-first-self-propagating-worm-using-invisible-code-hits-openvsx-marketplace;
    classtype:command-and-control;
    sid:2069478; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2026_05_28, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag c2, updated_at 2026_05_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
    target:src_ip;
)

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