alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Screenshot Uploaded to Discord"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/webhooks"; http.host; content:"discord.com"; http.request_body; content:"filename="; content:"screenshot."; within:12; fast_pattern; reference:md5,19917b254644d1039dd31d0a488ddeeb; classtype:bad-unknown; sid:2033447; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_07_27, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_27;)