ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

Redline Stealer TCP Activity

Risk Factors

Redline Stealer is a well-supported malware-as-a-service product that attackers can license and deploy with minimal expertise. Through a persistent C&C channel, an attacker can scan and exfiltrate credentials that can be leveraged to launch additional attacks on the network.

Category

Command-and-Control
Detection diagram
Next in Command-and-Control: SMB Named Pipe Beaconing

Attack Background

In Redline Stealer attacks, an attacker tricks the victim into downloading the Redline malware, typically through phishing or social engineering. Once deployed, Redline Stealer scans for credentials throughout the network, including web browsers and browser caches, VPNs, cryptocurrency wallets, and other applications. Additionally, Redline collects information related to operating systems, hardware, IP addresses, and other system characteristics. Redline collects credentials and sends logs to the C&C server over the .NET Message Framing Protocol (MC-NMF). The server then generates an XML file known as a Stealer log. The Stealer log can be sold on darknet marketplaces, or the attacker can exploit the log for future attacks on the network.

Mitigation Options

Quarantine the device while checking for the presence of malware

Monitor and investigate unusual network activity for lateral movement or data exfiltration

MITRE ATT&CK ID

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

News

Detections

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Docs

The 2025 ExtraHop Global Threat Landscape Report: The Alarming Reality of Threat Actor Dwell Time and Deeper Network Access — ExtraHop

This analysis exposes the critical link between an organization's lack of internal visibility and the escalating cost of compromise, demanding an urgent re-evaluation of how core business assets are protected.

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ExtraHop RevealX MITRE ATT&CK Coverage 2024 — ExtraHop

Learn why you need to be wary of the claims certain network detection and response providers make about their coverage against the MITRE ATT&CK framework.

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MITRE ATT&CK - Network Detection & Response with RevealX — ExtraHop

Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.

External
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