ET MALWARE Observed ClickFix Loader Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"__gethiddenurl()"; fast_pattern; nocase;
content:"parseint"; nocase;
content:"useragent"; nocase;
target:dest_ip;
Raw source ET MALWARE Observed ClickFix Loader Inbound · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Observed ClickFix Loader Inbound";
    flow:established,to_client;
    http.response_body;
    content:"__gethiddenurl()"; fast_pattern; nocase;
    content:"parseint"; nocase;
    content:"useragent"; nocase;
    reference:url,medium.com/@personal_42798/layered-obfuscation-and-execution-gating-in-a-javascript-loader-8d21c9fb14d6;
    classtype:trojan-activity;
    sid:2069301; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_05_14, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Critical, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_08_12, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer;
    target:dest_ip;
)

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