ET MALWARE Possible DarkTequila SSL/TLS Certificate Observed

Query · suricata

flow:established,to_client;
tls.cert_subject;
content:"C=US, ST=OH, O=International Security Depart, CN=the-ebooks-store.com";
content:"contact@infws.com";
tls.cert_issuer;
content:"O=International Security Depart, L=Greater Cleveland, ST=OH, C=US, CN=International Security Depart Ca";
content:"contact@infws.com"; fast_pattern;
tls.cert_serial;
content:"00:ED";
Raw source ET MALWARE Possible DarkTequila SSL/TLS Certificate Observed · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tls $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Possible DarkTequila SSL/TLS Certificate Observed";
    flow:established,to_client;
    tls.cert_subject;
    content:"C=US, ST=OH, O=International Security Depart, CN=the-ebooks-store.com";
    content:"contact@infws.com";
    tls.cert_issuer;
    content:"O=International Security Depart, L=Greater Cleveland, ST=OH, C=US, CN=International Security Depart Ca";
    content:"contact@infws.com"; fast_pattern;
    tls.cert_serial;
    content:"00:ED";
    reference:md5,9fbdc5eca123e81571e8966b9b4e4a1e;
    classtype:trojan-activity;
    sid:2026540; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_24, deployment Perimeter, confidence High, signature_severity Major, tag DarkTequila, updated_at 2025_07_24;
)

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