ET ATTACK_RESPONSE x2300 phpshell detected

Query · suricata

flow:established,from_server;
content:"x2300 Locus7Shell";
Raw source ET ATTACK_RESPONSE x2300 phpshell detected · 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 ATTACK_RESPONSE x2300 phpshell detected";
    flow:established,from_server;
    content:"x2300 Locus7Shell";
    reference:url,www.rfxn.com/vdb.php;
    classtype:web-application-activity;
    sid:2007651; rev:7;
    metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_09_27;
)

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