ET MALWARE Win32/QakBot CnC Payload Request (GET)

Query · suricata

flow:established,to_server;
urilen:11;
http.method;
content:"GET";
http.uri;
content:"|2f 62 6c 6f 2f 6d 65 2e 7a 69 70|"; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Win32/QakBot CnC Payload Request (GET) · Suricata
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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/QakBot CnC Payload Request (GET)";
    flow:established,to_server;
    urilen:11;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f 62 6c 6f 2f 6d 65 2e 7a 69 70|"; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,4924a85d0c77c9b7b38faaab94636d9a;
    reference:url,twitter.com/Cryptolaemus1/status/1645836544580648984;
    classtype:trojan-activity;
    sid:2044920; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_11, deployment Perimeter, malware_family Qakbot, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_26, reviewed_at 2024_01_26;
)

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