alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Toby.N Multilocker Image Request"; flow:established,to_server; http.uri; content:"/upload/mp3.mp3"; http.host; pcre:"/^(?:\d{1,3}\.){3}\d{1,3}$/"; http.user_agent; content:" MSIE 6.0|3b| "; reference:url,malware.dontneedcoffee.com/2013/02/inside-multi-botnet-ver4-c-panel.html; classtype:trojan-activity; sid:2016370; rev:4; metadata:created_at 2013_02_08, malware_family Win32_Toby_N, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_23;)