alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Observed ResumeLooter Domain (cloudnetsofe .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".cloudnetsofe.com"; endswith; fast_pattern; reference:url,www.group-ib.com/blog/resumelooters/; reference:url,otx.alienvault.com/pulse/65c2755b2b9d2dfe5b6699f9; classtype:social-engineering; sid:2050760; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_07, deployment Perimeter, malware_family ResumeLooter, confidence High, signature_severity Major, updated_at 2024_02_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)