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

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DETECTION OVERVIEW

Rclone File Upload to MEGA

Risk Factors

Any file uploaded by an Rclone client to the MEGA cloud storage service should be investigated. Ransomware malware and threat groups have been known to exfiltrate data with Rclone to MEGA. The impact of this activity on a business can be devastating, especially if sensitive or business-critical files are stolen or if a high ransom is paid.

Category

Actions on Objective
Detection diagram
Next in Actions on Objective: Remote Control SSH Traffic

Attack Background

Ransomware is a type of malicious software, or malware, that can encrypt and exfiltrate files. Attackers later demand a ransom to recover or prevent the release of sensitive data. Ransomware variants such as Conti have been known to upload stolen files to the MEGA, a cloud storage service with a historical association with malware. The ransomware takes advantage of open-source file management tools such as Rclone to upload stolen files to MEGA. Advanced persistent threat (APT) groups, such as Karakurt, have also been known to upload files with Rclone to MEGA.

Mitigation Options

Investigate file uploads to unusual cloud storage services such as MEGA

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.

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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.

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