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You Should Know:
Key Cybersecurity Commands & Tools for Defensive and Offensive Operations
1. Network Scanning & Reconnaissance
- Nmap (Network Mapper)
nmap -sS -A -T4 target_ip
(
-sS
for stealth SYN scan, `-A` for OS detection, `-T4` for speed) Masscan (High-speed scanning)
masscan -p1-65535 target_ip --rate=10000
2. Vulnerability Assessment
- Nessus (Comprehensive scanning)
nessuscli scan --target=target_ip --policy="Advanced Scan"
- OpenVAS (Open-source alternative)
openvas-start gvm-cli --gmp-username admin --gmp-password password
3. Intrusion Detection & Prevention
- Snort (IDS/IPS)
snort -A console -q -c /etc/snort/snort.conf -i eth0
- Suricata (Next-gen IDS)
suricata -c /etc/suricata/suricata.yaml -i eth0
4. Log Analysis & SIEM
- ELK Stack (Elasticsearch, Logstash, Kibana)
sudo systemctl start elasticsearch sudo systemctl start kibana
- Splunk (Enterprise-grade SIEM)
splunk start --accept-license
5. Penetration Testing & Ethical Hacking
- Metasploit Framework
msfconsole use exploit/windows/smb/ms17_010_eternalblue set RHOSTS target_ip exploit
- Burp Suite (Web App Testing)
java -jar burpsuite_pro.jar
6. Forensics & Incident Response
- Volatility (Memory Forensics)
volatility -f memory_dump.raw imageinfo volatility -f memory_dump.raw --profile=Win10x64 pslist
- Autopsy (GUI-based Forensics)
autopsy
7. Secure Hardening & Compliance
- Lynis (Linux Security Auditing)
lynis audit system
- Windows Hardening (PowerShell)
Set-ExecutionPolicy Restricted Get-Service | Where-Object {$_.StartType -eq "Automatic"} | Stop-Service -Force
8. Threat Intelligence & OSINT
- MISP (Malware Info Sharing Platform)
sudo -u www-data php /var/www/MISP/app/Console/cake Admin updateGalaxies
- Maltego (OSINT Mapping)
maltego
What Undercode Say:
The debate on offensive vs. defensive cyber strategies continues, but practical cybersecurity demands a balanced approach. While offensive ops may deter adversaries, stronger defense, threat intelligence sharing, and proactive hardening are critical.
Key Takeaways:
- Defensive tools (Snort, Suricata, ELK) must be prioritized.
- Red Team exercises (Metasploit, Burp Suite) help identify gaps.
- Forensics (Volatility, Autopsy) ensures post-breach analysis.
- Compliance (Lynis, PowerShell hardening) reduces attack surfaces.
Expected Output:
A hybrid cybersecurity strategy—leveraging both offensive deterrence and defensive resilience—is essential for national and enterprise security.
Further Reading:
References:
Reported By: Malwaretech The – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅