alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Obitel trojan calling home"; flow:established,to_server; content:"/gate.php?hash="; http_uri; content:"/gate.php?hash="; content:" HTTP/1."; distance:8; within:16; reference:url,www.abuse.ch/?p=143; classtype:trojan-activity; sid:2008405; rev:5; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)