ET HUNTING 7-zip Executable Requested (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/a/7z"; fast_pattern; startswith;
content:".exe"; endswith;
http.host;
content:"www.7-zip.org"; bsize:13;
target:src_ip;
Raw source ET HUNTING 7-zip Executable Requested (GET) · 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 HUNTING 7-zip Executable Requested (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/a/7z"; fast_pattern; startswith;
    content:".exe"; endswith;
    http.host;
    content:"www.7-zip.org"; bsize:13;
    classtype:bad-unknown;
    sid:2039813; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_11_21, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_21;
    target:src_ip;
)

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