Archives with this specific naming structure generally contain one of three things:
During the early 2000s, it was common to package low-resolution digital art, early Photoshop experiments, and text-based "zines" (digital magazines) into RAR files for easy distribution. INDBOYZ001.rar
In the world of underground file sharing, codes like "INDBOYZ001" often follow a standard naming convention used by "Scene" groups or independent digital archivists. The "IND" prefix typically stands for "Independent," while "BOYZ" likely refers to the specific group or collective responsible for the compilation or "rip." These files are often found on: Most files labeled INDBOYZ001
Old-school file transfer protocols where data is stored for decades. early Photoshop experiments
Most files labeled INDBOYZ001.rar found via search engines today lead to "dead" links or "404" errors, as the hosting services from that era have long since purged their data. The Legacy of "Lost" Files
If you happen to stumble upon a working link or a mirror of this file, the best practice is to open it within a or a "sandbox" environment to protect your primary operating system from potential legacy threats.
Providing more context about where you first heard of it (a specific forum, video, or site) can help narrow down the search!