alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE APT-C-28/ScarCruft Domain (techcross-wne .com) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".techcross-wne.com"; endswith; fast_pattern; reference:url,mp.weixin.qq.com/s?__biz=MzUyMjk4NzExMA==&mid=2247507801&idx=1&sn=e169339f921fd11a2fef8dfe068e616c&poc_token=HBzKjGmj8oOUb9osCBV9EWHHt7kB4tHKR9pi9dOJ; classtype:domain-c2; sid:2067601; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2026_02_11, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag ScarCruft, tag APT_C_28, updated_at 2026_02_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)