Hidden image at the end of SO Season 1 Trailr

Games Other Halo
1

Here’s the video I’m refering to. Don’t worry, there’s no spoilers.
At the end of the video, right before the Xbox 360 logo, there’s a short static image of the ONI logo with the Halo CEA terminal background behind it. What could this possibly mean?

2

It’s an ONI symbol.

3

Kinda late people already found a Forerunner symbol next to the oni section 3 logo