ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST|20|/service/communication.php|20|HTTP/1.1"; startswith; fast_pattern;
http.request_body;
content:"data="; startswith;
isdataat:50,relative;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2 · 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/Unk.HRESQ! MultiDownloader Checkin M2";
    flow:established,to_server;
    http.request_line;
    content:"POST|20|/service/communication.php|20|HTTP/1.1"; startswith; fast_pattern;
    http.request_body;
    content:"data="; startswith;
    isdataat:50,relative;
    http.header_names;
    content:!"Referer";
    reference:md5,9a112488064fd03d4a259e0f1db9d323;
    classtype:trojan-activity;
    sid:2034202; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_10_07, deployment Perimeter, malware_family Win32_Unk_HRESQ_, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_07;
)

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