ET MALWARE Win32/WarHawk Activity (fileupload)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"|7b 20 22|_hwid|22 3a 20 22 7b|"; startswith;
content:"|22 2c 20 22|_fileupload|22 3a 20 22|"; distance:0; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Win32/WarHawk Activity (fileupload) · 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/WarHawk Activity (fileupload)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"|7b 20 22|_hwid|22 3a 20 22 7b|"; startswith;
    content:"|22 2c 20 22|_fileupload|22 3a 20 22|"; distance:0; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,5cff6896e0505e8d6d98bff35d10c43a;
    reference:url,www.zscaler.com/blogs/security-research/warhawk-new-backdoor-arsenal-sidewinder-apt-group-0;
    classtype:command-and-control;
    sid:2039543; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_10_19, deployment Perimeter, malware_family Win32_WarHawk, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_25, former_sid 2852641;
)

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