Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Win32/Backdoor Related Domain (swordoke .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"swordoke.com"; bsize:12; fast_pattern; reference:md5,341610a5a0cc430f99f9f9bd694b04a9; classtype:domain-c2; sid:2035645; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_29, deployment Perimeter, malware_family Win32_Backdoor, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)