#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;
#)