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Russia-Aligned Hackers Abuse Viber to Target Ukrainian Military and Government

The Hacker News
Actively Exploited
Malware

Overview

A group of hackers known as UAC-0184, believed to be aligned with Russia, has been targeting Ukrainian military and government organizations by using the Viber messaging app. They are sending malicious ZIP files that likely contain malware designed for espionage. According to the 360 Threat Intelligence Center, these activities have been ongoing and are part of a broader strategy to gather intelligence on Ukraine's military operations. This incident highlights the ongoing cyber warfare between Russia and Ukraine, emphasizing the need for heightened security measures within government and military communications. As the conflict continues, the use of widely used messaging platforms for cyber attacks poses significant risks to sensitive information.

Key Takeaways

  • Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
  • Affected Systems: Ukrainian military and government entities, Viber messaging platform
  • Action Required: Users should exercise caution when receiving ZIP files from unknown sources and consider enhancing security protocols for messaging applications.
  • Timeline: Ongoing since 2025

Original Article Summary

The Russia-aligned threat actor known as UAC-0184 has been observed targeting Ukrainian military and government entities by leveraging the Viber messaging platform to deliver malicious ZIP archives. "This organization has continued to conduct high-intensity intelligence gathering activities against Ukrainian military and government departments in 2025," the 360 Threat Intelligence Center said in

Impact

Ukrainian military and government entities, Viber messaging platform

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Ongoing since 2025

Remediation

Users should exercise caution when receiving ZIP files from unknown sources and consider enhancing security protocols for messaging applications.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Malware.

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