ET WEB_CLIENT VLC Media Player smb URI Handling Remote Buffer Overflow Attempt

Query · suricata

flow:established,to_client;
content:"<location>"; nocase;
content:"smb|3A|//"; within:20; nocase;
content:!"|0A|"; within:1000;
isdataat:1000,relative;
pcre:"/\x3Clocation\x3D.+smb\x3A\x2F\x2F.{1000}.+\x3C\x2Flocation\x3E/smi";
Raw source ET WEB_CLIENT VLC Media Player smb URI Handling Remote Buffer Overflow Attempt · Suricata
Esc
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 VLC Media Player smb URI Handling Remote Buffer Overflow Attempt";
    flow:established,to_client;
    content:"<location>"; nocase;
    content:"smb|3A|//"; within:20; nocase;
    content:!"|0A|"; within:1000;
    isdataat:1000,relative;
    pcre:"/\x3Clocation\x3D.+smb\x3A\x2F\x2F.{1000}.+\x3C\x2Flocation\x3E/smi";
    reference:url,www.securityfocus.com/bid/35500/info;
    classtype:attempted-user;
    sid:2010813; rev:6;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_09_27;
)

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