ET MALWARE Observed POST to ClickFix Style URI M1

Query · suricata

flow:established,to_server;
urilen:14;
http.method;
content:"POST";
http.uri;
content:"/captcha_click"; fast_pattern;
target:src_ip;
Raw source ET MALWARE Observed POST to ClickFix Style URI M1 · 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 Observed POST to ClickFix Style URI M1";
    flow:established,to_server;
    urilen:14;
    http.method;
    content:"POST";
    http.uri;
    content:"/captcha_click"; fast_pattern;
    reference:url,tria.ge/250307-wvydhavnt6/behavioral1;
    classtype:trojan-activity;
    sid:2060673; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2025_03_07, deployment Perimeter, malware_family ClickFix, confidence High, signature_severity Major, tag c2, updated_at 2025_03_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)

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