Black _hat.rar Site

The post is well-regarded in the security community for its detailed breakdown of exploiting a vulnerability in how antivirus engines handle (often seen as .rar files). Key technical highlights from that "solid" post include:

It sounds like you're referencing a specific deep-dive or technical analysis, likely related to the blog post by researcher Landave. Black _Hat.rar

If you were referring to a different "Black Hat" themed post or a specific file you found, The post is well-regarded in the security community