ET MALWARE Ducktail APT Certificate Observed Inbound (Waka Server CA)

Query · suricata

flow:established,to_client;
tls.cert_subject; bsize:17;
content:"CN=Waka|20|Server|20|CA"; fast_pattern;
tls.cert_issuer; bsize:17;
content:"CN=Waka|20|Server|20|CA";
Raw source ET MALWARE Ducktail APT Certificate Observed Inbound (Waka Server CA) · 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 Ducktail APT Certificate Observed Inbound (Waka Server CA)";
    flow:established,to_client;
    tls.cert_subject; bsize:17;
    content:"CN=Waka|20|Server|20|CA"; fast_pattern;
    tls.cert_issuer; bsize:17;
    content:"CN=Waka|20|Server|20|CA";
    reference:md5,1d5616b719ab205d6c50abf9f74b6cc6;
    classtype:trojan-activity;
    sid:2052443; rev:2;
    metadata:attack_target Client_Endpoint, tls_state TLSEncrypt, created_at 2024_05_06, malware_family Ducktail, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.