# MS Office - Excel 4.0 (XLM) Macros

## Theory

{% hint style="danger" %}
In July of 2021, Microsoft released a new Excel Trust Center setting option to restrict the usage of Excel 4.0 (XLM) macros and they are now [disabled by default](https://techcommunity.microsoft.com/blog/excelblog/excel-4-0-xlm-macros-now-restricted-by-default-for-customer-protection/3057905).
{% endhint %}

## Practice

## Resources

{% embed url="<https://www.ired.team/offensive-security/initial-access/phishing-with-ms-office/phishing-xlm-macro-4.0>" %}

{% embed url="<https://www.outflank.nl/blog/2018/10/06/old-school-evil-excel-4-0-macros-xlm/>" %}