ET MALWARE W32/Upatre.Downloader Encoded Binary Download Request

Query · suricata

flow:established,to_server;
http.uri;
content:"/mandoc/"; fast_pattern; depth:8;
content:".pdf"; distance:0;
http.header;
content:"Accept|3A| text/*, application/*|0D 0A|User-Agent|3A 20|"; depth:43;
Raw source ET MALWARE W32/Upatre.Downloader Encoded Binary Download Request · 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 W32/Upatre.Downloader Encoded Binary Download Request";
    flow:established,to_server;
    http.uri;
    content:"/mandoc/"; fast_pattern; depth:8;
    content:".pdf"; distance:0;
    http.header;
    content:"Accept|3A| text/*, application/*|0D 0A|User-Agent|3A 20|"; depth:43;
    reference:url,phishme.com/evolution-upatre-dyre/;
    classtype:trojan-activity;
    sid:2020294; rev:3;
    metadata:created_at 2015_01_23, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_14;
)

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