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 win32k type confusion attempt

Rule Explanation

This rule detects the attempted download of malicious software that triggers a type confusion vulnerability with vulnerable versions of the win32k kernel driver by searching for specific instructions used in the malicious software.

What To Look For

This rule detects the attempted download of malicious software that triggers a type confusion vulnerability with vulnerable versions of the win32k kernel driver, potentially leading to privilege escalation.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Privilege Escalation

Technique: Exploitation for Privilege Escalation

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

Additional Links

Rule Vulnerability

CVE Additional Information