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Struts and DNN Cryptocurrency Server Exploits

Cryptocurrency mining software is being remotely installed on Windows and Linux web servers via exploits targeting known vulnerabilities in Apache Struts and DNN.
Threat ID:
CC-1965
Category:
Exploit
Threat Severity:
Medium
Threat Vector:
Published:
25 January 2018 12:00 AM
Report a cyber attack: call 0300 303 5222 or email [email protected]

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This article no longer conforms to NHS Digital's standards for cyber alerts, and may contain outdated or inaccurate information. Use of this information contained in this page is at your own risk

Summary

Cryptocurrency mining software is being remotely installed on Windows and Linux web servers via exploits targeting known vulnerabilities in Apache Struts and DNN.

Threat details

Malicious HTTP requests are received which contain scripting code. The vulnerabilities execute this code on the server, which then downloads a Monero cryptocurrency miner.

Remediation steps

Type Step
  • Patches have been released to fully remediate both vulnerabilities. Users should install these immediately.

Last edited: 17 February 2020 12:55 pm