Listen to this Post
Introduction:
Ethical hacking and bug bounty hunting are critical in today’s cybersecurity landscape. Professionals like Devansh Chauhan, a top NCIIPC researcher, exemplify the expertise needed to combat cyber threats. This article explores essential cybersecurity skills, tools, and commands every ethical hacker should master.
Learning Objectives:
- Understand core cybersecurity commands for penetration testing.
- Learn how to exploit and mitigate vulnerabilities in Linux/Windows environments.
- Gain hands-on experience with ethical hacking techniques.
You Should Know:
1. Essential Linux Commands for Security Audits
Command:
nmap -sV -p 1-65535 <target_IP>
What It Does:
Performs a port scan to identify open ports and services running on a target system.
Step-by-Step Guide:
1. Install Nmap:
sudo apt install nmap
2. Run the scan:
nmap -sV -p 1-65535 192.168.1.1
3. Analyze results for vulnerabilities.
2. Windows Privilege Escalation Techniques
Command (PowerShell):
whoami /priv
What It Does:
Lists current user privileges to identify potential escalation paths.
Step-by-Step Guide:
1. Open PowerShell as administrator.
2. Execute:
whoami /priv
3. Check for misconfigured permissions (e.g., SeImpersonatePrivilege).
3. Exploiting SQL Injection Vulnerabilities
Command (SQLi Payload):
' OR 1=1 --
What It Does:
Bypasses authentication by injecting malicious SQL code.
Step-by-Step Guide:
- Identify a vulnerable input field (e.g., login form).
2. Inject payload:
' OR 1=1 --
3. If successful, gain unauthorized access.
4. Securing APIs with OAuth 2.0
Command (cURL for Token Request):
curl -X POST -H "Content-Type: application/x-www-form-urlencoded" -d "grant_type=client_credentials&client_id=CLIENT_ID&client_secret=CLIENT_SECRET" https://api.example.com/oauth/token
What It Does:
Requests an access token for secure API authentication.
Step-by-Step Guide:
1. Register an OAuth 2.0 client.
2. Replace `CLIENT_ID` and `CLIENT_SECRET` with your credentials.
- Execute the cURL command to retrieve a token.
5. Hardening Cloud Infrastructure (AWS S3 Bucket)
Command (AWS CLI):
aws s3api put-bucket-acl --bucket my-bucket --acl private
What It Does:
Restricts public access to an S3 bucket.
Step-by-Step Guide:
1. Install AWS CLI:
sudo apt install awscli
2. Configure AWS credentials:
aws configure
3. Apply private ACL to the bucket.
6. Detecting Malware with YARA Rules
Command:
yara -r malware_rule.yar /suspicious_directory
What It Does:
Scans files for malware signatures using YARA rules.
Step-by-Step Guide:
1. Install YARA:
sudo apt install yara
2. Create a YARA rule file (`malware_rule.yar`).
3. Scan a directory:
yara -r malware_rule.yar /suspicious_directory
- Mitigating DDoS Attacks with Rate Limiting (Nginx)
Command (Nginx Config):
limit_req_zone $binary_remote_addr zone=ddos:10m rate=10r/s;
What It Does:
Limits request rates to prevent DDoS attacks.
Step-by-Step Guide:
1. Edit Nginx config:
sudo nano /etc/nginx/nginx.conf
2. Add the rate-limiting rule.
3. Reload Nginx:
sudo systemctl reload nginx
What Undercode Say:
- Key Takeaway 1: Ethical hacking requires continuous learning—mastering tools like Nmap, Metasploit, and Burp Suite is essential.
- Key Takeaway 2: Cloud security misconfigurations (e.g., open S3 buckets) remain a leading cause of breaches.
Analysis:
The rise of bug bounty programs highlights the demand for skilled ethical hackers. As AI-driven attacks increase, professionals must stay ahead with automation and advanced threat detection techniques.
Prediction:
By 2025, AI-powered penetration testing tools will dominate cybersecurity, reducing manual efforts while increasing attack sophistication. Ethical hackers must adapt to AI-enhanced threats to stay relevant.
🎯Let’s Practice For Free:
IT/Security Reporter URL:
Reported By: Devansh Chauhan – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
