Trusted DesignA campaign exploiting the WinRAR path-traversal vulnerability CVE-2025-8088 has been actively targeting Ukraine since February 2026, with ongoing activity through June 2026. The operation uses Ukrainian military and conscription-themed documents as lures, distributed as RAR archives. The malicious archives contain NTFS alternate data streams with path-traversal sequences that automatically place LNK files into the Windows Startup folder upon extraction. These shortcuts execute hidden PowerShell stagers incorporating anti-analysis techniques including debugger checks, disk-space verification, and sleep delays to evade sandbox detection. The persistent nature of the attacks demonstrates continuous targeting of Ukrainian entities over a four-month period using social engineering focused on military documentation themes.
Created: 2026-06-19
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