ET MALWARE VBulletin Backdoor C2 URI Structure

Query · suricata

flow:established,to_server;
http.uri;
content:"/ss?t=f&"; depth:8;
Raw source ET MALWARE VBulletin Backdoor C2 URI Structure · 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 $HTTP_SERVERS any -> $EXTERNAL_NET any (
    msg:"ET MALWARE VBulletin Backdoor C2 URI Structure";
    flow:established,to_server;
    http.uri;
    content:"/ss?t=f&"; depth:8;
    reference:url,blog.sucuri.net/2013/07/vbulletin-infections-from-adabeupdate.html;
    classtype:command-and-control;
    sid:2017112; rev:5;
    metadata:created_at 2013_07_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_24;
)

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