ET MALWARE Win32/StormKitty CnC Telegram Notification M2

Query · suricata

flow:established,to_client;
http.response_body;
content:"|7b 22|ok|22 3a|"; startswith;
content:"|2c 22|result|22 3a 7b 22|message|5f|id|22 3a|";
content:"DevilCat|20 2d 20|Report|3a|"; fast_pattern;
content:"|5c|nSystem|3a 20|";
content:"|5c|nAntivirus|3a 20|";
Raw source ET MALWARE Win32/StormKitty CnC Telegram Notification M2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Win32/StormKitty CnC Telegram Notification M2";
    flow:established,to_client;
    http.response_body;
    content:"|7b 22|ok|22 3a|"; startswith;
    content:"|2c 22|result|22 3a 7b 22|message|5f|id|22 3a|";
    content:"DevilCat|20 2d 20|Report|3a|"; fast_pattern;
    content:"|5c|nSystem|3a 20|";
    content:"|5c|nAntivirus|3a 20|";
    reference:url,twitter.com/suyog41/status/1647965508963119104;
    reference:md5,9bec6e35675d3581a3fa59af2533cb13;
    classtype:command-and-control;
    sid:2044964; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_17, deployment Perimeter, deployment SSLDecrypt, malware_family StormKitty, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_13;
)

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