> For the complete documentation index, see [llms.txt](https://alham-rizvi.gitbook.io/alhamrizvi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://alham-rizvi.gitbook.io/alhamrizvi/picoctf-writeups/picoctf/forensics/msb.md).

# msb

this challenge can be done using 2 ways, using a python script or using an online tool

1. using online tool - recommended by me

upload the image here > <https://georgeom.net/StegOnline/extract> Since we’re doing using MSB, select bit 7 for Red, Blue, and Green, because 7 is the most significan bit and Download Extracted Data, search picoCTF on the .dat file!

Option 2: by using this script made bvy claude

<https://claude.ai/share/85ef3ad4-8d00-40ba-bd82-7acdba371936>
