ET MALWARE DeerStealer Telegram Bot Response

Query · suricata

flow:established,to_client;
http.response_body;
content:"|5c|u043a|5c|u0430|5c|u0447|5c|u0430|5c|u0435|5c|u0442|20 5c|u0444|5c|u0430|5c|u0439|5c|u043b|2e|"; fast_pattern;
content:"|5c|nIP|3a 20|"; distance:0;
content:"|5c|n|5c|u0421|5c|u0442|5c|u0440|5c|u0430|5c|u043d|5c|u0430"; distance:0;
Raw source ET MALWARE DeerStealer Telegram Bot Response · 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 DeerStealer Telegram Bot Response";
    flow:established,to_client;
    http.response_body;
    content:"|5c|u043a|5c|u0430|5c|u0447|5c|u0430|5c|u0435|5c|u0442|20 5c|u0444|5c|u0430|5c|u0439|5c|u043b|2e|"; fast_pattern;
    content:"|5c|nIP|3a 20|"; distance:0;
    content:"|5c|n|5c|u0421|5c|u0442|5c|u0440|5c|u0430|5c|u043d|5c|u0430"; distance:0;
    classtype:trojan-activity;
    sid:2055040; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_07, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, updated_at 2024_08_07;
)

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