Command and Control with WebSockets WSC2
Summary
This article discusses the use of WebSockets for command and control (C2) in penetration testing, specifically focusing on a tool or technique referred to as WSC2. It highlights how WebSockets can be leveraged to establish covert communication channels, which is a tactic employed by both red and blue teams in cybersecurity engagements.
IFF Assessment
The article details a technique that can be used for command and control, which is a method often employed by adversaries to maintain access and exfiltrate data from compromised systems.
Defender Context
Defenders should be aware of how WebSockets can be abused for C2 communications, as this can be a challenging vector to detect and block. Monitoring for unusual WebSocket traffic patterns and understanding legitimate WebSocket usage within an organization is crucial for identifying potential malicious activity.