Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP TeamViewer custom URL protocol handler SMB connection attempt

Rule Explanation

This rule is looking for attempts to invoke a TeamViewer custom URL protocol handler into making a connection to a remote SMB share. An attacker might be able to use this to achieve privilege escalation.

What To Look For

In the event that an attacker attempts to exploit a privilege escalation vulnerability that is related to an unquoted search path or element with a malicious iframe.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

Additional Links

Rule Vulnerability

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 Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2020-13699
Loading description

MITRE ATT&CK Framework

Tactic: Privilege Escalation

Technique: Bypass User Account Control

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