alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET INFO EXE File Download Request via Discord";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/attachments/"; depth:13;
content:".exe"; endswith;
http.host;
content:".discordapp.com"; endswith; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
classtype:misc-activity;
sid:2030575; rev:3;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_22, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_16;
)