OneClik Malware Targets Energy Sector Using Microsoft ClickOnce and Golang Backdoors
Jun 27, 2025
Malware / Application Security
Cybersecurity researchers have detailed a new campaign dubbed OneClik that leverages Microsoft's ClickOnce software deployment technology and bespoke Golang backdoors to compromise organizations within the energy, oil, and gas sectors. "The campaign exhibits characteristics aligned with Chinese-affiliated threat actors, though attribution remains cautious," Trellix researchers Nico Paulo Yturriaga and Pham Duy Phuc said in a technical write-up. "Its methods reflect a broader shift toward 'living-off-the-land' tactics, blending malicious operations within cloud and enterprise tooling to evade traditional detection mechanisms." The phishing attacks, in a nutshell, make use of a .NET-based loader called OneClikNet to deploy a sophisticated Go-based backdoor codenamed RunnerBeacon that's designed to communicate with attacker-controlled infrastructure that's obscured using Amazon Web Services (AWS) cloud services. ClickOnce is offered by Micro...