alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TSPY_SPCESEND.A Checkin"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/log.php"; fast_pattern; http.request_body; content:"id="; startswith; content:"&link="; content:"&password="; content:"&debug="; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; reference:url,blog.trendmicro.com/malware-uses-sendspace-to-store-stolen-documents/; classtype:command-and-control; sid:2014219; rev:6; metadata:created_at 2012_02_11, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_27;)