alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Secure-Soft.Stealer Checkin"; flow:to_server,established; http.request_body; content:"|0d 0a|Content-Disposition|3A 20|form-data|3B 20|name|3D 22|programm|22 0d 0a 0d 0a|Windows Key|0d 0a|"; fast_pattern; reference:md5,c86923d90ef91653b0a61eb2fbfae202; reference:md5,0a52131eebbee1df877767875ab32352; classtype:command-and-control; sid:2013026; rev:4; metadata:created_at 2011_06_13, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_01;)