# aa aa aa aa — File format magic numbers

For aa aa aa aa, offset is 0; extension is sys; format is Crowdstrike Channel File, verified against its source on 2026-08-03.

- **Hex signature:** aa aa aa aa
- **Offset:** 0
- **Extension:** sys
- **Format:** Crowdstrike Channel File

## What the source says

> aa aa aa aa | ªªªª | 0 | sys | <https://en.wikipedia.org/wiki/Crowdstrike> Crowdstrike Channel File |

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).