### Comment:
What are some common techniques used to evade antivirus detection in malware?

### REPLY:
To evade antivirus detection, you can use techniques such as code obfuscation, polymorphism, and packing. Code obfuscation involves modifying the code of the malware to make it more difficult for antivirus scanners to analyze and detect. Polymorphism involves constantly changing the signature or behavior of the malware to avoid detection. Packing involves compressing the malware and using encryption to make it harder for antivirus scanners to analyze the code. Additionally, you can use rootkit techniques to hide the presence of the malware on the system and avoid detection.