ET EXPLOIT_KIT ErrTraffic Beer Cluster Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/api.php?"; fast_pattern;
pcre:"/^[a-z]{1}=[a-z0-9]{48}/Ri";
http.host;
content:".beer"; endswith;
Raw source ET EXPLOIT_KIT ErrTraffic Beer Cluster Checkin · Suricata
Esc
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 EXPLOIT_KIT ErrTraffic Beer Cluster Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/api.php?"; fast_pattern;
    pcre:"/^[a-z]{1}=[a-z0-9]{48}/Ri";
    http.host;
    content:".beer"; endswith;
    reference:url,sekoia.com/blog/unveiling-errtraffic-inside-a-growing-clickfix-malware-distribution-framework;
    classtype:exploit-kit;
    sid:2070081; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_26, deployment Perimeter, deployment SSLDecrypt, malware_family ErrTraffic, performance_impact Low, confidence High, signature_severity Major, tag compromised_website, updated_at 2026_06_26;
)

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