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DVWA Command Injection Lab — Full Walkthrough (Lab-only demo)

In this video I demonstrate a complete Command Injection lab using DVWA — from discovery to exploitation and remediation. This is a safe, educational demo on a purposely vulnerable app. Do NOT test these techniques on sites you do not own or are not authorized to test.

💡 Quick explanation:

Command Injection lets an attacker run system commands on the server by placing unsanitized input into OS-level calls. In the DVWA lab we demonstrate how an insecure `ping` or `host` field can be abused to execute commands (e.g., `; ls -la`), and how developers should validate, sanitize, and avoid calling shell directly.

🛡️ Mitigations to show in the video:
• Avoid using shell calls with user input; use language-native APIs.
• Whitelist/validate input strictly (no special chars).
• Use parameterized APIs or escape shells safely.
• Run services with least privilege and use AppArmor/SELinux.
• Proper logging and alerts for suspicious input patterns.

⚠️ Safety & ethics:
This video is for learning only. Always get explicit permission before testing. Practice on DVWA, Juice Shop, or PortSwigger labs.

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#Tags:
#dvwa , #commando #injection , #ethicalhacking #hackinglabs , #cybersecurity , #websecurity , #burpsuite , #Payloads, #pentesting , #malayalam
#DVWA #CommandInjection #EthicalHacking #cybersecurityawareness #websecurity