ET WEB_CLIENT Microsoft Visio 2003 mfc71enu.dll DLL Loading Arbitrary Code Execution Attempt

Query · suricata

flow:established,to_server;
http.uri;
content:"/mfc71"; nocase;
pcre:"/^[a-z]{2,3}\.dll/Ri";
Raw source ET WEB_CLIENT Microsoft Visio 2003 mfc71enu.dll DLL Loading Arbitrary Code Execution 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET WEB_CLIENT Microsoft Visio 2003 mfc71enu.dll DLL Loading Arbitrary Code Execution Attempt";
    flow:established,to_server;
    http.uri;
    content:"/mfc71"; nocase;
    pcre:"/^[a-z]{2,3}\.dll/Ri";
    reference:url,tools.cisco.com/security/center/viewAlert.x?alertId=23601;
    reference:url,www.microsoft.com/technet/security/bulletin/MS11-055.mspx;
    reference:bid,42681;
    reference:cve,2010-3148;
    classtype:attempted-user;
    sid:2013322; rev:3;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2011_07_27, cve CVE_2010_3148, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2020_04_20;
)

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