ET EXPLOIT_KIT Observed ClickFix Webpage Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"captcha.html";
content:"gettrumpmemes.com"; distance:0; fast_pattern;
content:"_0x"; distance:0;
target:dest_ip;
Raw source ET EXPLOIT_KIT Observed ClickFix Webpage 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 EXPLOIT_KIT Observed ClickFix Webpage Inbound";
    flow:established,to_client;
    http.response_body;
    content:"captcha.html";
    content:"gettrumpmemes.com"; distance:0; fast_pattern;
    content:"_0x"; distance:0;
    reference:url,app.any.run/tasks/e4ee51d6-b201-44d6-a91e-cc4c6176ff13;
    reference:url,www.proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn;
    classtype:exploit-kit;
    sid:2063918; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_08_06, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Major, tag Exploit_Kit, tag compromised_website, updated_at 2025_08_06, 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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