ET MALWARE CBReplay Checkin

Query · suricata

flow:established,to_server;
urilen:10;
http.method;
content:"POST";
http.uri;
content:"/index.php";
http.header_names;
content:!"Referer|0d 0a|";
content:!"User-Agent|0d 0a|";
http.host;
pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
http.request_body;
content:"filename=|22|";
pcre:"/^\d+?\x22/R";
Raw source ET MALWARE CBReplay Checkin · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE CBReplay Checkin";
    flow:established,to_server;
    urilen:10;
    http.method;
    content:"POST";
    http.uri;
    content:"/index.php";
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"User-Agent|0d 0a|";
    http.host;
    pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
    http.request_body;
    content:"filename=|22|";
    pcre:"/^\d+?\x22/R";
    classtype:command-and-control;
    sid:2017264; rev:4;
    metadata:created_at 2013_08_01, performance_impact Significant, signature_severity Major, updated_at 2024_04_22;
)

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