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You Should Know:
1. Basic Linux Commands for Cybersecurity:
nmap -sP 192.168.1.0/24: Scan a network to discover active devices.tcpdump -i eth0 -w capture.pcap: Capture network traffic on interface eth0 and save it to a file.netstat -tuln: Display all listening ports on a system.iptables -L: List all firewall rules.chmod 600 file.txt: Change file permissions to read and write for the owner only.
2. Windows Commands for Cybersecurity:
netstat -an: Display all active connections and listening ports.ipconfig /all: Display detailed network configuration.tasklist /svc: List all running processes and their associated services.netsh advfirewall show allprofiles: Display the current firewall settings.wmic qfe list brief: List all installed Windows updates.
3. Python Script for Network Scanning:
import socket
def scan_port(ip, port):
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(1)
result = sock.connect_ex((ip, port))
if result == 0:
print(f"Port {port} is open")
sock.close()
except Exception as e:
print(f"Error scanning port {port}: {e}")
target_ip = "192.168.1.1"
for port in range(1, 1025):
scan_port(target_ip, port)
4. Incident Response Commands:
last: Display a list of last logged in users.ps aux: Display all running processes.ls -la /var/log: List all files in the log directory.grep "Failed" /var/log/auth.log: Search for failed login attempts in the auth log.find / -perm -4000: Find all files with the SUID bit set.
5. Risk Management Tools:
- Nessus: Vulnerability scanning tool.
- OpenVAS: Open-source vulnerability scanner.
- Metasploit: Penetration testing framework.
- Wireshark: Network protocol analyzer.
What Undercode Say:
Cybersecurity is a complex and ever-evolving field that requires constant vigilance and a deep understanding of both offensive and defensive techniques. The commands and tools listed above are just the tip of the iceberg when it comes to securing systems and networks. Whether you’re a beginner or an experienced professional, continuous learning and practice are key to staying ahead in this maze. Always remember to use these tools and commands responsibly and ethically.
For further reading and resources, consider visiting:
Stay secure, stay informed, and keep exploring the depths of cybersecurity! 🔐👩💻
References:
Reported By: Aasim Nazim – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
