alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/ClipBanker.OC CnC Activity M2"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/^\/\w$/Um"; http.user_agent; content:"MicroMessenger/6.5.2.501 NetType/WIFI WindowsWechat QBCore/3.43.884.400 QQBrowser/9.0.2524.400"; endswith; fast_pattern; http.content_len; content:"784"; http.connection; content:"Keep-Alive"; http.header_names; content:!"Referer"; reference:md5,40b3c1644d3bd1702fdde6eb08f961d2; classtype:trojan-activity; sid:2034983; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_01_26, deployment Perimeter, malware_family Win32_ClipBanker_OC, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14;)