alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/Spy.RapidStealer.B Checkin"; flow:established,to_server; urilen:14; http.method; content:"POST"; http.uri; content:"/key/index.php"; fast_pattern; http.request_body; content:"dir="; startswith; content:"&data="; distance:0; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|accept"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,c14690b90459744a300a02f45b32168a; reference:url,quequero.org/2014/09/win32-blackberrybbc-malware-analysis/; classtype:command-and-control; sid:2019179; rev:6; metadata:created_at 2014_09_16, malware_family MSIL_Spy_RapidStealer_B, signature_severity Major, updated_at 2024_05_01;)