ET WEB_CLIENT Microsoft Office Visio DXF File Processing Remote Code Execution

Query · suricata

flow:established,to_client;
flowbits:isset,DXF.Ext.Access;
content:"|0A 45 4E 44 53 45 43|";
content:!"|0a|"; within:2;
byte_test:1,>,81,2,relative;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET WEB_CLIENT Microsoft Office Visio DXF File Processing Remote Code Execution · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (
    msg:"ET WEB_CLIENT Microsoft Office Visio DXF File Processing Remote Code Execution";
    flow:established,to_client;
    flowbits:isset,DXF.Ext.Access;
    content:"|0A 45 4E 44 53 45 43|";
    content:!"|0a|"; within:2;
    byte_test:1,>,81,2,relative;
    reference:url,www.exploit-db.com/moaub-8-microsoft-office-visio-dxf-file-stack-overflow;
    reference:url,www.exploit-db.com/exploits/14944/;
    reference:cve,2010-1681;
    reference:url,www.microsoft.com/technet/security/bulletin/ms10-028.mspx;
    reference:bid,39836;
    classtype:attempted-user;
    sid:2012153; rev:3;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2011_01_06, cve CVE_2010_1681, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.