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DETECTION OVERVIEW
Risk Factors
The complexity is low, but an attacker must have valid permissions to modify files on a shared file server. This technique can help an attacker manipulate data or hide malicious activity, which can then be leveraged in a later attack.
The system might change the risk score for this detection.
Category
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After an attacker obtains a valid set of credentials, they can proceed with malicious activity that might be overlooked as normal file change operations sent over the SMB file-sharing protocol. Attackers can then make unexpected file modifications. Attackers can compromise data integrity by manipulating, inserting, or deleting files outside of standard operations.
Restrict file share access to only authorized IP addresses and users
Restrict file share authentication with a password
Update operating system software to the latest version to reduce the number of vulnerabilities that can be exploited
Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.
ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response
Visit this resource for more information.
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.
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.
Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.
