ET MALWARE Malicious VBS Downloader fake image zip

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:".zip"; endswith; nocase; fast_pattern;
pcre:"/\.(?:gif|jpe?g)\.zip$/i";
http.content_type;
content:"text/plain|3b 20|Charset=UTF-8"; bsize:25;
Raw source ET MALWARE Malicious VBS Downloader fake image zip · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Malicious VBS Downloader fake image zip";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:".zip"; endswith; nocase; fast_pattern;
    pcre:"/\.(?:gif|jpe?g)\.zip$/i";
    http.content_type;
    content:"text/plain|3b 20|Charset=UTF-8"; bsize:25;
    reference:md5,7b678a25c533652dbb0c2a2ac37cf1e3;
    classtype:trojan-activity;
    sid:2022334; rev:4;
    metadata:created_at 2016_01_06, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_05;
)

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