alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FindPOS Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"oprat="; fast_pattern; content:"&uid="; content:"&uinfo="; content:"&win="; content:"&vers="; reference:md5,fe0f997d81d88bc11cc03e4d1fd61ebe; classtype:command-and-control; sid:2020723; rev:5; metadata:created_at 2015_03_21, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_29;)