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 SMB2 SET_INFO information disclosure attempt

Rule Explanation

This rule is looking for multiple SMB2_SET_INFO requests that fit several parameters in a very short period of time.

What To Look For

This rule alerts on exploit traffic from an attacker.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: External Remote Services

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

Additional Links

Rule Vulnerability

Information Leak

Information Leakage happens when an attacker manipulates a system into revealing sensitive information, either through malformed input or by taking advantage of another feature of the system.

CVE Additional Information