alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DownloaderExchanger/Cbeplay Variant Checkin"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/ldrctl.php"; endswith; http.request_body; content:"os="; depth:3; nocase; content:"&ver="; nocase; distance:0; content:"&idx="; nocase; distance:0; content:"&user="; nocase; distance:0; content:"&ioctl="; nocase; fast_pattern; distance:0; content:"&data="; nocase; distance:0; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=TrojanDownloader%3aWin32%2fCbeplay.B; reference:url,www.secureworks.com/research/threats/ppi/; classtype:command-and-control; sid:2010217; rev:11; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_10_29;)