ET EXPLOIT_KIT ErrTraffic Domain in DNS Lookup (check .first-node .rocks)

Query · suricata

dns.query; bsize:22;
content:"check.first-node.rocks"; nocase;
Raw source ET EXPLOIT_KIT ErrTraffic Domain in DNS Lookup (check .first-node .rocks) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert dns $HOME_NET any -> any any (
    msg:"ET EXPLOIT_KIT ErrTraffic Domain in DNS Lookup (check .first-node .rocks)";
    dns.query; bsize:22;
    content:"check.first-node.rocks"; nocase;
    reference:url,silentpush.com/blog/drivesurge/;
    classtype:exploit-kit;
    sid:2069650; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2026_06_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Critical, tag Exploit_Kit, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, tag ErrTraffic, updated_at 2026_06_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
)

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