ET MALWARE Win32/AZORult V3.3 Client Checkin M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
pcre:"/^(?:\x00\x00\x00)?(?:[\x40-\x42]|[\x45-\x47]|\x26\x66)/P";
content:"|26 67 ea 26 66 9d 26 66 9a 26 66 9d 42 70 9d 31 10 ed 26 66 98 26 67 ea|"; distance:6; within:49; fast_pattern;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE Win32/AZORult V3.3 Client Checkin 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 Win32/AZORult V3.3 Client Checkin M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    pcre:"/^(?:\x00\x00\x00)?(?:[\x40-\x42]|[\x45-\x47]|\x26\x66)/P";
    content:"|26 67 ea 26 66 9d 26 66 9a 26 66 9d 42 70 9d 31 10 ed 26 66 98 26 67 ea|"; distance:6; within:49; fast_pattern;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    classtype:command-and-control;
    sid:2029404; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_10, deployment Perimeter, malware_family AZORult, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_08_30;
)

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