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?)
OS-WINDOWS Microsoft Windows User Profile Service privilege escalation attempt
This rule looks for a malicious use of a file in System32 that contains two junctions in the path. Further, it attempts to find the required NT functions to exploit said junctions.
What To Look For
This rule alerts on malicious traffic attempting to download a Window's privilege escalation.
Public information/Proof of Concept available
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
Tactic: Privilege Escalation
Technique: File System Permissions Weakness
For reference, see the MITRE ATT&CK vulnerability types here:
An Authentication Bypass occurs when there is a way to avoid providing user credentials to a system before performing restricted operations on said system.
CVE Additional Information