alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Win32/Thetatic.A Client POST Get CMD Checkin"; flow:established,to_server; content:"POST"; http_method; content:"CONTENT-TYPE|3a| application/x-www-form-urlencoded"; fast_pattern; http_header; content:"User-Agent|3a| Mozilla/4.0 (compatible|3b| Win32|3b| WinHttp.WinHttpRequest.5)"; http_header; content:"cstype="; http_client_body; depth:7; content:"&authname="; distance:0; http_client_body; classtype:trojan-activity; sid:2014794; rev:4; metadata:created_at 2012_05_22, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)