Yeah9782 / xlsGen

(PoC) Tiny Excel BIFF8 Generator, to Embedded 4.0 Macros in xls files without Excel.

xlsGen

Tiny Excel BIFF8 Generator, to Embedded 4.0 Macros in *.xls

this PoC is rewritten from the excellent project Macrome, because it's too large and not friendly for a beginner who want to know deeper inside the technique. I create a simple PoC for learning & experiences.

Reference

1. https://malware.pizza/2020/05/12/evading-av-with-excel-macros-and-biff8-xls/amp/?__twitter_impression=true
2. https://github.com/michaelweber/Macrome
3. https://github.com/outflanknl/EvilClippy