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The Certified Penetration Testing Specialist (CPTS) certification is a highly sought-after credential in the cybersecurity world. With only a limited number of holders globally, it signifies a deep understanding of penetration testing and offensive security. This article explores the importance of CPTS and provides practical commands and codes to enhance your cybersecurity skills.
You Should Know:
1. Linux Command for Network Scanning:
nmap -sV -p 1-65535 192.168.1.1
This command scans all ports on a target IP address and identifies service versions.
2. Bash Script for Log Analysis:
grep "Failed password" /var/log/auth.log | awk '{print $9}' | sort | uniq -c | sort -nr
This script extracts and counts failed login attempts from the auth log, helping identify potential brute-force attacks.
3. Windows Command for Firewall Configuration:
netsh advfirewall set allprofiles state on
This command enables the Windows firewall for all profiles.
4. Python Script for Port Scanning:
import socket
target = "192.168.1.1"
for port in range(1, 1025):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(1)
result = sock.connect_ex((target, port))
if result == 0:
print(f"Port {port} is open")
sock.close()
This Python script scans the first 1024 ports on a target IP.
5. Linux Command for File Integrity Checking:
sha256sum /etc/passwd
This command generates a SHA-256 hash of the `/etc/passwd` file to monitor for unauthorized changes.
6. Windows Command for User Account Management:
net user hacker P@ssw0rd /add
This command creates a new user account named “hacker” with the password “P@ssw0rd”.
7. Linux Command for Packet Capture:
tcpdump -i eth0 -w capture.pcap
This command captures network traffic on the `eth0` interface and saves it to a file.
8. Bash Script for SSH Brute-Force Protection:
awk '/Failed password/ {print $11}' /var/log/auth.log | sort | uniq -c | awk '$1 > 5 {print $2}' | xargs -I {} iptables -A INPUT -s {} -j DROP
This script blocks IP addresses with more than 5 failed SSH login attempts.
9. Windows Command for Service Management:
sc config sshd start= auto
This command configures the SSH service to start automatically on boot.
10. Linux Command for Process Monitoring:
ps aux | grep -i suspicious_process
This command lists all processes and filters for a specific suspicious process.
What Undercode Say:
The CPTS certification is a testament to advanced penetration testing skills, making it a valuable asset in the cybersecurity field. By mastering the commands and scripts provided, you can enhance your ability to secure systems, analyze logs, and detect vulnerabilities. Whether you’re working on Linux or Windows, these tools are essential for any cybersecurity professional. For further learning, consider exploring platforms like TryHackMe or Hack The Box.
References:
Reported By: Kenneth Strawn – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
