ET EXPLOIT_KIT ClickFix Payload Delivery Page Observed

Query · suricata

flow:established,to_client;
http.response_body;
content:"checkbox-verify";
content:"powershell|5c|x20|2d|c|5c|x20iex|28|iwr|5c|x20|2d|Uri|5c|x20"; fast_pattern;
content:"windows"; nocase;
content:"key"; nocase;
content:"paste"; nocase;
target:dest_ip;
Raw source ET EXPLOIT_KIT ClickFix Payload Delivery Page Observed · 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 EXPLOIT_KIT ClickFix Payload Delivery Page Observed";
    flow:established,to_client;
    http.response_body;
    content:"checkbox-verify";
    content:"powershell|5c|x20|2d|c|5c|x20iex|28|iwr|5c|x20|2d|Uri|5c|x20"; fast_pattern;
    content:"windows"; nocase;
    content:"key"; nocase;
    content:"paste"; nocase;
    classtype:exploit-kit;
    sid:2066516; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_12_31, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Major, updated_at 2025_12_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)

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