ET WEB_SERVER Possible Compromised Webserver Retriving Inject

Query · suricata

flow:established,to_server;
http.uri;
content:"/blog/?"; depth:7;
pcre:"/^\/blog\/\?[a-z]+&utm_source=\d+\x3a\d+\x3a\d+$/";
http.host;
pcre:"/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\x3a\d{1,5})?$/";
Raw source ET WEB_SERVER Possible Compromised Webserver Retriving Inject · Suricata
Esc
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 -> $EXTERNAL_NET any (
    msg:"ET WEB_SERVER Possible Compromised Webserver Retriving Inject";
    flow:established,to_server;
    http.uri;
    content:"/blog/?"; depth:7;
    pcre:"/^\/blog\/\?[a-z]+&utm_source=\d+\x3a\d+\x3a\d+$/";
    http.host;
    pcre:"/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\x3a\d{1,5})?$/";
    classtype:trojan-activity;
    sid:2022485; rev:3;
    metadata:created_at 2016_02_03, confidence Medium, signature_severity Major, updated_at 2020_06_23;
)

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