alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ShadowROOT RAT Malicious SSL Cert Subject Observed (GGliberium44)"; flow:established,to_client; tls.cert_subject; bsize:15; content:"CN=GGliberium44"; fast_pattern; reference:md5,11d1bbdd1be9e42cfa87c5a2716794bb; classtype:trojan-activity; sid:2058993; 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_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1573, mitre_technique_name Encrypted_Channel;)