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Diary of a Cyber Mid-Careerist
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Diary of a Cyber Mid-Careerist
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OSED Prep Series #3: Writing Custom Shellcode

Content 1) Why write custom shellcode? The most practical reason is in the OSED Exam Guide. It is part of the exam. Second, you control what APIs to call and the asm instructions you use. Sometimes you are “restricted” on…

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  • Stellarnight
  • 17/05/2026
  • Uncategorized

🌟CREST Practitioner Security Analyst (CPSA) Tips 2025 Edition🌟

You are probably here because you are planning to take the CPSA. You are also probably here because you are confused on what is the best way to do so as there is not a lot of information on this…

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  • Stellarnight
  • 30/12/2025
  • CertReviews

✨OSEP 2025 Review – The Non-Tech Mid-Careerist Edition

There are (probably) only two reasons you are here: 1) You are preparing to take the OSEP and want to find out tips or read about one’s experience of the exam; 2) You are thinking of taking the OSEP but…

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  • Stellarnight
  • 19/07/2025
  • Uncategorized

A Quick Update the 9 June Edition

Hi Everyone! It is been a while since I updated the website. That is because I have been really busy digging in for the following four courses: A lot of things have happened over the past month and I am…

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  • Stellarnight
  • 09/06/2025
  • CertReviews

Cert Review- HackTheBox’s Certified Defensive Security Analyst (CDSA)

Link here> According to Discord, I am one of about 400+ CDSAs globally. That makes me pretty cool I guess? I also ordered the certification package which consists of a T-Shirt and the cert itself (still shipping over). But…

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  • Stellarnight
  • 28/04/2025
  • Uncategorized

Setting up INetSim on Remnux

You can grab the remnux ova from here >>> Remnux is Linux based (assuming that the malware to be detonated is a PE) and will act as an Internet Simulator. It also acts as a network analysis platform and…

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  • Stellarnight
  • 18/04/2025
  • Writeups

Pwn.College- Computing 101

Your First Register This challenge requires us to write a programme to move the value 60 into rax. the programme will have the extension .s (typical extension for assembly) When we run it against /challenge/check, we get a segmentation fault!…

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  • Stellarnight
  • 14/04/2025
  • Guides&Tips, Writeups

Malware Analysis Beginner Guide

I am still new to this so the methodology would improve with time. This post is written while going through TCM Security’s Practical Malware Analysis & Triage course with a view of taking the PMRP <LIVE WORK IN PROGRESS. CHECK…

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  • Stellarnight
  • 12/04/2025
  • Guides&Tips

GCTI Exam Tips

TLDR The Exam As of April 2025, the three hour exam consisted of 75 MCQ and 7 Cyberlive questions. Cyberlive questions are weighted much heavily than MCQs so it is important to get most if not all the Cyberlive questions…

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  • Stellarnight
  • 09/04/2025
  • Writeups

Dark Waters – Walkthrough

All answers are base-64 encoded to avoid spoilers:) Dark Waters is from an OSINT training company called Kase Scenarios. You can browse through their catalogue here! The Scenario Welcome to Dark Waters, a scenario that allows you to take…

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  • Stellarnight
  • 08/04/2025
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Recent Posts

  • OSED Prep Series #3: Writing Custom Shellcode
  • 🌟CREST Practitioner Security Analyst (CPSA) Tips 2025 Edition🌟
  • ✨OSEP 2025 Review – The Non-Tech Mid-Careerist Edition
  • A Quick Update the 9 June Edition
  • Cert Review- HackTheBox’s Certified Defensive Security Analyst (CDSA)

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