ET WEB_SERVER .PHP being served from WP 1-flash-gallery Upload DIR (likely malicious)

Query · suricata

flow:established,to_server;
http.uri;
content:"/wp-content/uploads/fgallery/"; fast_pattern; nocase;
content:".php"; nocase; distance:0;
Raw source ET WEB_SERVER .PHP being served from WP 1-flash-gallery Upload DIR (likely malicious) · Suricata
Esc
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 WEB_SERVER .PHP being served from WP 1-flash-gallery Upload DIR (likely malicious)";
    flow:established,to_server;
    http.uri;
    content:"/wp-content/uploads/fgallery/"; fast_pattern; nocase;
    content:".php"; nocase; distance:0;
    classtype:bad-unknown;
    sid:2015518; rev:6;
    metadata:created_at 2012_07_24, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_22;
)

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