Cybersecurity Security Cheatsheet

Listen to this Post

🔗 Cyber Press ®

Practice-Verified Codes and Commands

1. Nmap Scan

nmap -sV -sC -oA scan_results target_ip 

This command performs a version detection scan, runs default scripts, and outputs the results in all formats.

2. Metasploit Framework

msfconsole 
use exploit/windows/smb/ms17_010_eternalblue 
set RHOSTS target_ip 
exploit 

This is an example of using Metasploit to exploit the EternalBlue vulnerability.

3. SQL Injection Test

sqlmap -u "http://example.com/page?id=1" --dbs 

This command tests for SQL injection vulnerabilities and retrieves available databases.

4. Password Cracking with John the Ripper

john --wordlist=/usr/share/wordlists/rockyou.txt hashes.txt 

This command uses a wordlist to crack password hashes.

5. Firewall Configuration with UFW

sudo ufw allow 22/tcp 
sudo ufw enable 

These commands allow SSH traffic and enable the Uncomplicated Firewall (UFW).

6. Log Analysis with Grep

grep "Failed password" /var/log/auth.log 

This command searches for failed login attempts in the auth log.

7. Network Traffic Capture with Tcpdump

sudo tcpdump -i eth0 -w capture.pcap 

This command captures network traffic on the eth0 interface and saves it to a file.

8. File Integrity Check with Tripwire

sudo tripwire --check 

This command checks for changes in system files using Tripwire.

9. SSH Hardening

sudo nano /etc/ssh/sshd_config 

Edit the SSH configuration file to disable root login and use key-based authentication.

10. Malware Analysis with Strings

strings suspicious_file | grep "http" 

This command extracts strings from a binary file and searches for URLs.

What Undercode Say

Cybersecurity is a critical field that requires constant learning and practice. The commands and tools mentioned above are essential for penetration testers, security analysts, and IT professionals. Nmap is invaluable for network reconnaissance, while Metasploit provides a powerful framework for exploiting vulnerabilities. SQL injection remains a prevalent threat, and tools like SQLmap help identify and mitigate such risks. Password security is another cornerstone of cybersecurity, and John the Ripper is a reliable tool for testing password strength.

Firewall configuration with UFW ensures that only authorized traffic accesses your systems, and log analysis with Grep helps detect suspicious activities. Network traffic capture with Tcpdump is crucial for monitoring and analyzing data flows, while Tripwire ensures file integrity by detecting unauthorized changes. SSH hardening is a must to secure remote access, and malware analysis with Strings helps uncover hidden threats.

For further reading, visit OWASP for web security best practices or Kali Linux Tools for a comprehensive list of penetration testing tools. Always remember to stay updated with the latest security trends and continuously improve your skills. Cybersecurity is not just about tools; it’s about understanding the mindset of attackers and staying one step ahead.

By mastering these commands and tools, you can build a strong foundation in cybersecurity and contribute to a safer digital world. Keep practicing, stay curious, and never stop learning.

🔗 OWASP
🔗 Kali Linux Tools

References:

initially reported by: https://www.linkedin.com/posts/mr-pranto-15650b351_share-someone-needs-it-cybersecurity-activity-7301783304112848896-jy7z – Hackers Feeds
Extra Hub:
Undercode AIFeatured Image