ET MALWARE Win32/Stealerium Stealer Checkin via Discord

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/webhooks/"; startswith;
http.host;
content:"discord.com";
http.request_body;
content:"username=Stealerium"; startswith;
content:"&content=%60%60%60%0a%f0%9f%98%b9+*Stealerium+-+Report%3a"; distance:0; fast_pattern;
Raw source ET MALWARE Win32/Stealerium Stealer Checkin via Discord · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Stealerium Stealer Checkin via Discord";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/webhooks/"; startswith;
    http.host;
    content:"discord.com";
    http.request_body;
    content:"username=Stealerium"; startswith;
    content:"&content=%60%60%60%0a%f0%9f%98%b9+*Stealerium+-+Report%3a"; distance:0; fast_pattern;
    reference:md5,53b457a56e207d1f8aa761857acfdb9b;
    reference:url,twitter.com/petrovic082/status/1550007840005361664;
    classtype:trojan-activity;
    sid:2037800; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_21, deployment Perimeter, malware_family Stealerium, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_21;
)

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