ET MALWARE Observed Malicious SSL Cert (RedGuard Framework)

Query · suricata

flow:established,to_client;
tls.cert_serial;
content:"17:01:91:E3:A5:0D:5C:2C";
Raw source ET MALWARE Observed Malicious SSL Cert (RedGuard Framework) · 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 Observed Malicious SSL Cert (RedGuard Framework)";
    flow:established,to_client;
    tls.cert_serial;
    content:"17:01:91:E3:A5:0D:5C:2C";
    reference:url,github.com/wikiZ/RedGuard;
    classtype:trojan-activity;
    sid:2037928; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_08_04, deployment Perimeter, malware_family RedGuard, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_04;
)

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