ByteCode C2 — Open source framework, 0/63 on VT, bypasses Defender

📰 Medium · Cybersecurity

Learn about ByteCode C2, an open-source framework that bypasses Defender with a 0/63 score on VT, and understand its evasion techniques

advanced Published 25 Apr 2026

Action Steps

Build a test environment to deploy ByteCode C2
Configure the framework to bypass Defender
Run a scan on VirusTotal to verify the low detection rate
Test the framework's evasion techniques against various security tools
Analyze the framework's code to understand its inner workings

Who Needs to Know This

Security researchers and red teamers can benefit from this framework to test evasion techniques, while blue teamers can learn how to detect and mitigate such threats

Key Insight

💡 ByteCode C2's low detection rate on VT and ability to bypass Defender make it a significant threat, emphasizing the need for improved detection and mitigation techniques