OneClik Malware: Targeting the Energy Sector with Advanced Techniques

TL;DR

Cybersecurity researchers have uncovered the OneClik malware campaign, which targets the energy sector using Microsoft ClickOnce and Golang backdoors. This campaign exhibits characteristics aligned with Chinese-affiliated threat actors, highlighting the need for enhanced security measures in critical infrastructure.

OneClik Malware Campaign: An Overview

Cybersecurity researchers have detailed a new campaign dubbed OneClik that leverages Microsoft’s ClickOnce software deployment technology and bespoke Golang backdoors. This campaign specifically targets organizations within the energy, oil, and gas sectors. The sophisticated nature of this malware highlights the evolving tactics used by cybercriminals to infiltrate critical infrastructure.

Key Characteristics of the OneClik Campaign

The OneClik campaign is notable for several reasons:

• Use of Microsoft ClickOnce: This technology is typically used for easy software deployment but has been exploited by the malware to distribute payloads.
• Golang Backdoors: The use of Golang, a programming language known for its efficiency and performance, adds a layer of complexity to detection and mitigation efforts.
• Potential Chinese Affiliation: While attribution remains cautious, the campaign exhibits characteristics aligned with Chinese-affiliated threat actors, suggesting a sophisticated and well-resourced adversary¹.

Implications for the Energy Sector

The energy sector is a critical component of national infrastructure, making it a high-value target for cyber attacks. The OneClik campaign underscores the need for robust cybersecurity measures to protect against such threats. Organizations in this sector must remain vigilant and invest in advanced threat detection and response capabilities.

Conclusion

The OneClik malware campaign serves as a reminder of the ever-evolving cyber threats facing critical infrastructure. As threat actors continue to develop new tactics and techniques, it is essential for organizations to stay informed and proactive in their cybersecurity strategies. Enhanced collaboration between cybersecurity researchers and industry stakeholders will be crucial in mitigating future risks.

References

1. Trellix researchers (2025-06-27). “OneClik Malware Targets Energy Sector Using Microsoft ClickOnce and Golang Backdoors”. The Hacker News. Retrieved 2025-06-27. ↩︎