ET DELETED ABUSE.CH SSL Blacklist Malicious SSL certificate detected (HTTPBrowser CnC)


Query · suricata

flow:established,from_server;
content:"|16|";
content:"|0b|"; within:8;
content:"|09 00 97 d3 99 b4 6f 4e 77 43|"; within:35;
content:"|55 04 0A|"; distance:0;
content:"|18|Internet Widgits Pty Ltd"; distance:1; within:25;
Raw source ET DELETED ABUSE.CH SSL Blacklist Malicious SSL certificate detected (HTTPBrowser CnC) · 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 DELETED ABUSE.CH SSL Blacklist Malicious SSL certificate detected (HTTPBrowser CnC)";
#    flow:established,from_server;
#    content:"|16|";
#    content:"|0b|"; within:8;
#    content:"|09 00 97 d3 99 b4 6f 4e 77 43|"; within:35;
#    content:"|55 04 0A|"; distance:0;
#    content:"|18|Internet Widgits Pty Ltd"; distance:1; within:25;
#    reference:url,sslbl.abuse.ch;
#    classtype:domain-c2;
#    sid:2021428; rev:4;
#    metadata:attack_target Client_and_Server, created_at 2015_07_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_15, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;
#)

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