alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE 44 Caliber Stealer Data Exfil via Discord"; flow:established,to_server; http.request_line; content:"POST /api/webhooks/"; startswith; http.host; content:"discord.com"; http.content_type; content:"multipart/form-data|3b 20|boundary=|22|"; startswith; http.request_body; content:"form-data|3b 20|name=content|0d 0a 0d 0a 5c|n|20 3a|spy|3a 20|NEW LOG FROM - "; fast_pattern; content:"|20 30|person_in_manual_wheelchair|3a 0d 0a 5c|n|20 3a|eye|3a 20|IP|3a 20|"; distance:0; content:"|5c|n|20 3a|desktop|3a 20|"; distance:0; reference:md5,5d8135dc3f85bee9dd93456a9445fa35; reference:url,twitter.com/nao_sec/status/1370702500798418946; classtype:command-and-control; sid:2032803; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2021_04_21;)