ET WEB_SERVER Possible bash shell piped to dev udp Inbound to WebServer

Query · suricata

flow:established,to_server;
content:"/dev/udp/"; fast_pattern;
Raw source ET WEB_SERVER Possible bash shell piped to dev udp Inbound to WebServer · 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 udp Inbound to WebServer";
    flow:established,to_server;
    content:"/dev/udp/"; fast_pattern;
    classtype:bad-unknown;
    sid:2019314; rev:4;
    metadata:created_at 2014_09_29, confidence Medium, signature_severity Minor, updated_at 2019_10_08;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.