alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Toby.N Multilocker Checkin";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/picture.php"; endswith;
http.header_names;
content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:22;
http.connection;
content:"Keep-Alive"; bsize:10;
reference:url,malware.dontneedcoffee.com/2013/02/inside-multi-botnet-ver4-c-panel.html;
classtype:command-and-control;
sid:2016368; rev:5;
metadata:created_at 2013_02_08, malware_family Win32_Toby_N, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_24;
)