← All Kali Issues
Msfvenom
Bad characters in shellcode
E Exploitation
Medium
🔴 Error Message
Payload contains restricted bad characters
📖 What This Means
Target buffer cannot handle certain bytes.
🔧 Step-by-Step Fix
- Specify bad chars: msfvenom -b "\x00\x0a\x0d"
- Use encoder: -e x86/shikata_ga_nai
- Check: use --smallest for minimal payload