alert http $HOME_NET any -> $EXTERNAL_NET 8084 (msg:"ET MALWARE TrojanDownloader:Win32/Sinresby.B Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/data?mac="; startswith; content:"&ip="; distance:0; content:"&id=10010"; endswith; fast_pattern; http.accept_lang; content:"zh-cn"; bsize:5; reference:md5,dfc6273c39ef1acd9e25816974a74b3c; classtype:trojan-activity; sid:2044757; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_23, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_23, reviewed_at 2024_12_11;)