Rule Category

OS-WINDOWS -- Snort has detected traffic targeting vulnerabilities in a Windows-based operating system. This does not include browser traffic or other software on the OS, but attacks against the OS itself. (such as?)

Alert Message

OS-WINDOWS Microsoft Windows Theme code execution attempt

Rule Explanation

Rule detects .theme file which includes a remote theme visualfile, which can be setup to be an exploit to gain execution on victim machine. A .theme file is a plaintext INI file.

What To Look For

An attempt to gain code execution via a crafted Windows theme file that points to an attacker controlled SMB server

Known Usage

Public information/Proof of Concept available

False Positives

Known false positives, with the described conditions

It is possible a plaintext file could be crafted that matches this rule, the most likely scenario would be a plaintext file discussing this vulnerability and giving an exact copy of the public PoC


Cisco Talos Intelligence Group

Rule Groups

No rule groups



Additional Links

Rule Vulnerability

No information provided

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.