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.
OS-WINDOWS Microsoft Windows Common Log File System Driver elevation of privilege attempt
This rule looks for a maliciously crafted executable file that contains specific patterns of code that cause an elevation of privilege vulnerability in Windows and more specifically in the Common Log File System or CLFS.
This rule will alert when there's an attempt to exploit an elevation of privilege vulnerability in the Windows CLFS kernel driver.
No public information
No known false positives
Cisco Talos Intelligence Group
No rule groups
Escalation of Privilege
An Escalation of Privilege (EOP) attack is any attack method that results in a user or application gaining permissions to access resources they normally would not have access to.
CVE-2021-43226 |
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Tactic: Execution
Technique: User Execution
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org