---
id: 1284
title: "Simplifying MBA obfuscation with CoBRA"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2026/04/03/simplifying-mba-obfuscation-with-cobra/"
published_at: "2026-04-03 11:00"
tags: ["reverse-engineering", "obfuscation", "malware-analysis", "llvm", "trail-of-bits", "cobra", "mba"]
phying_url: "https://phying.com/item/1284"
lang: en
---

# Simplifying MBA obfuscation with CoBRA

## Summary

Trail of Bits released CoBRA, an open-source tool that simplifies the full range of Mixed Boolean-Arithmetic (MBA) expressions, handling 99.86% of 73,000+ expressions from seven datasets.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2026-04-03 11:00
- **Original:** https://blog.trailofbits.com/2026/04/03/simplifying-mba-obfuscation-with-cobra/
- **Phying News:** https://phying.com/item/1284