How to Pass OSCP on Your First Attempt

Why People Fail OSCP (And It's Not What You Think)

The OSCP is positioned as a "hands-on" exam, but the real test isn't your ability to run Metasploit. It's your ability to think like a penetration tester: methodically enumerate targets, document everything, and explain your reasoning in a report that accounts for 40% of your grade.

Most candidates who fail come in thinking "I've rooted 50 machines on HackTheBox, I'm ready." Then they hit the exam, panic under time pressure, and resort to copy-pasting exploits without understanding them. The exam catches that instantly. Whether you're preparing in Singapore or anywhere else, this pattern holds true.

The candidates who pass on their first attempt have one thing in common: they treat every machine like a real engagement, not a CTF walkthrough.

The Enumeration Mindset

Enumeration is not a checklist. It's a conversation with the target.

Start with port scanning. Don't just use nmap -sV -sC -p- and move on. Use RustScan for speed—it runs Nmap faster than Nmap itself—and actually read the output. What services are running? What versions? What's the low-hanging fruit?

Then ask: "What haven't I enumerated yet?"

• Running HTTP? Directory brute-force with Gobuster or Feroxbuster. Check for hidden endpoints, API routes, admin panels.
• Found SMB? Try enum4linux or smbclient to list shares and permissions.
• Got SSH? Not running as root. Good. Move on, but remember it for lateral movement later.
• Running a custom application? Don't assume you understand it. Test for SQL injection, command injection, file upload vulnerabilities, authentication bypasses.

Use Obsidian or CherryTree to structure your notes. Don't just dump output into a text file. Link findings together. Create a knowledge graph of the target: "Port 80 runs WordPress → version 5.x → known RCE in plugin X."

This structured note-taking serves two purposes:

1. It keeps you from going in circles during the exam.
2. It makes your report writing trivial—your notes ARE your report.

When time pressure hits and you feel lost, your notes are your anchor. You'll see exactly what you've tried, what worked, and what remains.

Tooling That Actually Matters

You don't need 50 tools. You need the right ones, and you need to understand how they work.

RustScan

Faster port discovery than Nmap. Use it to get a quick view of all open ports, then use Nmap for service detection.

Ligolo-ng

Network pivoting and tunneling. The OSCP labs include multi-tier environments. Ligolo-ng is the cleanest way to route traffic through a compromised machine into internal networks. Understand SOCKS proxies and how to chain tools through them (e.g., Nmap through proxychains).

Chisel

If Ligolo-ng doesn't work for some reason (permissions, firewall rules), Chisel is a solid alternative. Both serve the same purpose; know both.

BloodHound

If you're doing any AD (Active Directory) attacks—and you will be—BloodHound visualizes the attack surface. It's not a tool that runs an exploit; it's a tool that tells you what exploit to run and why. Understanding the attack paths it shows is critical.

Copy-pasting command syntax is not enough. Understand why each tool works:

• Why does RustScan use UDP scanning?
• How does a SOCKS proxy route traffic?
• What does BloodHound mean by "execution rights"?

Candidates who understand their tools can improvise. Candidates who memorize commands get stuck the moment something doesn't work exactly like the tutorial.

Active Directory: The Exam Has Changed

Active Directory is the core of modern enterprise networks, and the OSCP now reflects that reality.

Kerberoasting: Extract service account password hashes via TGS tickets. Tools like Rubeus or impacket handle the mechanics; the concept is that service accounts often have weak passwords.

AS-REP Roasting: Some accounts don't require Kerberos pre-authentication. You can request a TGT without credentials, extract the hash, and crack it offline.

Lateral Movement via AD: Once you're inside the domain, you have options: credential stuffing, pass-the-hash, Kerberos delegation abuse, etc. Each requires understanding trust relationships and group policies.

Don't memorize attack chains. Instead, understand the flow:

1. Enumerate the domain (users, groups, machines, trusts).
2. Look for misconfigurations: weak passwords, overpermissioned groups, unconstrained delegation.
3. Exploit the misconfiguration to move deeper.

BloodHound shows you the path. Your job is understanding why the path exists and how to exploit it.

The 24-Hour Exam: Pacing Strategy

You get 24 hours to root four machines (with varying point values) and a 24-hour window to write the report.

Don't spend 8 hours on the first machine. Spend 1.5 hours on each of the first two machines. If you can't get initial access in that time, move on. You can return later. The goal is to accumulate points early and build momentum.

When you do get a shell, immediately escalate privileges. Don't spend another 2 hours enumerating the compromised machine if you can root it in 30 minutes. Document the path, then move.

The 12-hour mark is critical: You should have at least two machines rooted by hour 12. If not, you're off pace. Reassess: are you overthinking, or are the remaining machines genuinely harder?

Write your report as you go. Don't wait until the end to document everything. For each machine you root, spend 30 minutes right then writing up the solution in your report template. You'll thank yourself when it's 22 hours in and you're exhausted.

What Separates First-Attempt Passers

1. Methodology over tools: They follow a process, not a random checklist of exploit attempts.
2. HackTheBox consistency: They've completed at least 20 medium and hard boxes. They understand that consistency matters more than variety.
3. Enumeration obsession: They ask "what haven't I enumerated?" before "what exploit should I try?"
4. Documentation discipline: Notes are structured, findings are linked, and the report is written as they go.
5. Time awareness: They know when to pivot, when to persist, and when a machine isn't worth more time right now.
6. Real understanding: They can explain why an exploit works, not just run it.

Next Steps

If you're preparing for OSCP and want structured 1-to-1 mentorship from someone who's been through it, we can help. Our OSCP mentorship program covers exam methodology, AD deep dives, and the mindset shift from "running tools" to "thinking like a penetration tester."

We also offer general cybersecurity tutoring for red team, blue team, and all levels from zero to advanced.

The exam is passable on the first attempt. You just need the right methodology and someone who understands the gaps in your thinking. Get in touch to discuss your timeline and preparation strategy.