ET POLICY Cnet App Download and Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/v";
content:"/?v=";
content:"&c=";
pcre:"/\/v\d\.\d\.\d/";
pcre:"/\/\?v=\d/";
Raw source ET POLICY Cnet App Download and 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 POLICY Cnet App Download and Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/v";
    content:"/?v=";
    content:"&c=";
    pcre:"/\/v\d\.\d\.\d/";
    pcre:"/\/\?v=\d/";
    classtype:misc-activity;
    sid:2013888; rev:7;
    metadata:attack_target Client_Endpoint, created_at 2011_11_08, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_16;
)

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