ET MALWARE Win32/TrojanDropper.Agent.SRM Exfil via Discord

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/TrojanDropper.Agent.SRM Exfil via Discord";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"|2a 2a|Browser|20|Cookies|2a 2a|";
    content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d|"; distance:42;
    content:"|5f|Cookies|2e|txt|3b 20|filename|3d|"; within:300;
    content:"|5f|Cookies|2e|txt|3b 20|filename|2a 3d|utf|2d|8|27 27|"; within:300;
    content:"|5f|Cookies|2e|txt|0d 0a 0d 0a 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 0d 0a|Modified|20|Time|20 20 20 20 20 3a 20|"; fast_pattern; within:100;
    reference:url,tria.ge/221006-p5rv5shfek/behavioral2;
    classtype:trojan-activity;
    sid:2039417; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_10_13, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_TrojanDropper_Agent_SRM, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_13;
)