Rule Category

BROWSER-PLUGINS -- Snort has detected suspicious browser plugin traffic, likely targeting the ActiveX plugin in Internet Explorer, though this could apply to any browser. Attackers have refined techniques to smuggle extensions into the Chrome Web Store, which they can then modify remotely once downloaded to add or activate malicious or spyware features. This can be similar to a Potentially Unwanted Application, as valuable data and network access is often allowed on a phone or browser without proper investigation. Some extensions also mimic more well-known and trusted ones (AdBlock, etc.)

Alert Message

BROWSER-PLUGINS WebGate WESPDiscovery ActiveX clsid access attempt

Rule Explanation

This event is generated when an attempt is made to exploit a known vulnerability in 2015-2100. Impact: Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology. For more information see http://nvd.nist.gov/

MITRE ATT&CK Framework

Tactic:

Technique:

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

Rule Vulnerability

CVE Additional Information