ET WEB_SERVER Possible bash shell piped to dev tcp Inbound to WebServer M1

Query · suricata

flow:established,to_server;
http.uri;
content:"/dev/tcp/"; fast_pattern; nocase;
Raw source ET WEB_SERVER Possible bash shell piped to dev tcp Inbound to WebServer M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER Possible bash shell piped to dev tcp Inbound to WebServer M1";
    flow:established,to_server;
    http.uri;
    content:"/dev/tcp/"; fast_pattern; nocase;
    classtype:bad-unknown;
    sid:2019285; rev:5;
    metadata:created_at 2014_09_26, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_21;
)

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