ET WEB_CLIENT Apple Quicktime RTSP Content-Type overflow attempt

Query · suricata

content:"RTSP/"; nocase; depth:5;
content:"|0a|Content-Type|3a|"; nocase; distance:0;
isdataat:50,relative;
content:!"|0a|"; within:50;
Raw source ET WEB_CLIENT Apple Quicktime RTSP Content-Type overflow attempt · 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 udp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Apple Quicktime RTSP Content-Type overflow attempt";
    content:"RTSP/"; nocase; depth:5;
    content:"|0a|Content-Type|3a|"; nocase; distance:0;
    isdataat:50,relative;
    content:!"|0a|"; within:50;
    reference:url,www.kb.cert.org/vuls/id/659761;
    reference:url,www.milw0rm.com/exploits/4657;
    classtype:attempted-user;
    sid:2007704; rev:6;
    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_07_26;
)

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