alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Discord WebHook Activity M5 (Contains Key, poll)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/webhooks/"; startswith; http.host; content:"discord"; startswith; fast_pattern; http.request_body; content:"|22|poll|22 3a|"; reference:url,discord.com/developers/docs/resources/webhook#execute-webhook; classtype:misc-activity; sid:2055995; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_09_20, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2024_09_20;)