ET MALWARE Sality Variant Downloader Activity (3)

Query · suricata

flow:established,to_server;
http.uri;
content:"/?id"; nocase;
content:"&rnd=";
pcre:"/\/\?id(\d+)?&rnd=\d+$/";
http.header;
content:!"Windows NT";
http.header_names;
content:!"Accept";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Sality Variant Downloader Activity (3) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Sality Variant Downloader Activity (3)";
    flow:established,to_server;
    http.uri;
    content:"/?id"; nocase;
    content:"&rnd=";
    pcre:"/\/\?id(\d+)?&rnd=\d+$/";
    http.header;
    content:!"Windows NT";
    http.header_names;
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:md5,438bcb3c4a304b65419674ce8775d8a3;
    classtype:trojan-activity;
    sid:2011338; rev:7;
    metadata:created_at 2010_09_28, performance_impact Significant, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_22;
)

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