Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed File Transfer Service SSL/TLS Certificate (transfer .sh)"; flow:from_server,established; tls.cert_subject; content:"CN=transfer.sh"; fast_pattern; classtype:misc-activity; sid:2033076; rev:7; metadata:attack_target Client_and_Server, created_at 2021_06_03, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_08, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)