ET WEB_CLIENT PDF Containing Windows Commands Downloaded

Query · suricata

flow:established,to_client;
content:"%PDF-";
content:"|3C 3C 0D 0A 20 2f|type|20 2F|action|0D 0A 20 2F|s|20 2F|launch|0D 0A 20 2F|win"; distance:0; nocase;
Raw source ET WEB_CLIENT PDF Containing Windows Commands Downloaded · Suricata
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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 -> $HOME_NET any (
    msg:"ET WEB_CLIENT PDF Containing Windows Commands Downloaded";
    flow:established,to_client;
    content:"%PDF-";
    content:"|3C 3C 0D 0A 20 2f|type|20 2F|action|0D 0A 20 2F|s|20 2F|launch|0D 0A 20 2F|win"; distance:0; nocase;
    classtype:bad-unknown;
    sid:2011245; rev:4;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_09_27;
)

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