alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Downloader.Dluca HTTP Checkin"; flow:established,to_server; content:"?id={"; nocase; http_uri; content:"&srv="; nocase; http_uri; content:"&ver="; nocase; http_uri; content:"&docid="; nocase; http_uri; content:"&time="; nocase; http_uri; content:"&cstate="; nocase; http_uri; content:"&state="; nocase; http_uri; content:"&flash="; nocase; http_uri; content:"&pin="; nocase; http_uri; content:"&OSInfo2="; nocase; content:"&cinfo="; nocase; http_uri; content:"&smd="; nocase; http_uri; content:"&rts="; nocase; http_uri; content:"&retryattempt="; nocase; http_uri; classtype:command-and-control; sid:2007595; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)