alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Wrapper/Gholee/Wedex Checkin"; flow:established,to_server; dsize:12; content:"nocookie"; offset:4; depth:8; reference:md5,b7de8927998f3604762096125e114042; reference:url,blog.checkpoint.com/2015/11/09/rocket-kitten-a-campaign-with-9-lives/; classtype:command-and-control; sid:2022047; rev:1; metadata:created_at 2015_11_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)