ET MALWARE ShadowROOT RAT Malicious SSL Cert Serial Observed M1

Query · suricata

flow:established,to_client;
tls.cert_serial;
content:"F8:9B:17:9F:88:65:E8:CB:E4:E6:B5:6F:F1:24:2B";
Raw source ET MALWARE ShadowROOT RAT Malicious SSL Cert Serial Observed M1 · Suricata
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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 ShadowROOT RAT Malicious SSL Cert Serial Observed M1";
    flow:established,to_client;
    tls.cert_serial;
    content:"F8:9B:17:9F:88:65:E8:CB:E4:E6:B5:6F:F1:24:2B";
    reference:md5,11d1bbdd1be9e42cfa87c5a2716794bb;
    classtype:trojan-activity;
    sid:2058967; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_01_06, deployment Perimeter, malware_family ShadowROOT_RAT, malware_family Liberium_RAT, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2025_01_06, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1573, mitre_technique_name Encrypted_Channel;
)

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