alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Platinum APT Activity";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php";
http.user_agent;
content:"|3b 20|Win64|3b 20|x64|3b 20|rv|3a|42.0";
http.header;
content:"AcceptanceID|3a|"; fast_pattern;
reference:url,securelist.com/titanium-the-platinum-group-strikes-again/94961/;
classtype:command-and-control;
sid:2028959; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_11_11, deployment Perimeter, confidence High, signature_severity Major, tag PLATINUM, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_21;
)