ET MALWARE ClickFix Obfuscated Payload Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"SUhOMFpYQnpPaUJ";
content:"YjNCNVFuVjBkRzl1T2lBaVEyOXdlU0JtYVhn"; distance:0; fast_pattern;
Raw source ET MALWARE ClickFix Obfuscated Payload Inbound · Suricata
Esc
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 ClickFix Obfuscated Payload Inbound";
    flow:established,to_client;
    http.response_body;
    content:"SUhOMFpYQnpPaUJ";
    content:"YjNCNVFuVjBkRzl1T2lBaVEyOXdlU0JtYVhn"; distance:0; fast_pattern;
    reference:url,proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn;
    classtype:trojan-activity;
    sid:2053775; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_20, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Major, tag compromised_website, updated_at 2024_06_20, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

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