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:
: Successfully writing a Return-Oriented Programming (ROP) chain and shellcode into the window buffer to achieve remote code execution. Black _Hat.rar
It sounds like you're referencing a specific deep-dive or technical analysis, likely related to the blog post by researcher Landave. The post is well-regarded in the security community