ET MALWARE ZharkBOT CnC Activity (GET) M1

Query · suricata

flow:established,to_server;
urilen:23;
http.method;
content:"GET";
http.uri;
content:"|2f|socket|2f 3f|serviceCheckup"; fast_pattern;
http.header_names;
content:!"|0d 0a|referer|0d 0a|"; nocase;
Raw source ET MALWARE ZharkBOT CnC Activity (GET) M1 · 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 ZharkBOT CnC Activity (GET) M1";
    flow:established,to_server;
    urilen:23;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f|socket|2f 3f|serviceCheckup"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|referer|0d 0a|"; nocase;
    reference:md5,ab47202cd4ca44239b833fb5a8486e17;
    classtype:command-and-control;
    sid:2057057; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_10_25, deployment Perimeter, deployment SSLDecrypt, malware_family ZharkBOT, confidence High, signature_severity Critical, updated_at 2024_10_25;
)

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