Abdullah Alotaibi

aka Dr.kasbr

$Red Teamer|CTF Captain|0xfun

IT student at IMAMU University, passionate about cybersecurity, red teaming, and CTF competitions. Captain of 0xfun team - ranked #33 globally and #1 in country on CTFtime.

$cat about.txt

Current Role

Red Teamer

Confidential

Jan 2025 - Present

Working as a Red Teamer, conducting security assessments and penetration testing to identify vulnerabilities and strengthen security posture.

Education

Bachelor of Information Technology

IMAMU University

2023 - 2027

Specializing in cybersecurity with focus on penetration testing, network security, and ethical hacking.

$cat certifications.txt

eCTHPv2 - Certified Threat Hunter

eWPTXv2 - Web Application Penetration Tester eXtreme

eCPPTv2 - Certified Professional Penetration Tester

eWAPTv2 - Web Application Penetration Tester

eJPTv2 - Junior Penetration Tester

eCDFP - Certified Digital Forensics Professional

eMAPTv2 - Mobile Application Penetration Tester

$ls projects/

Linux Privilege Escalation Guide

Comprehensive guide covering manual and automated enumeration, exploitation techniques, and privilege escalation methods.

LinuxPrivEscSecurity

CTF Writeups Collection

Detailed writeups for various CTF challenges including OSINT, Forensics, Reverse Engineering, and Web Exploitation.

CTFWriteupsSecurity

Red Team Tools & Scripts

Custom tools and automation scripts for penetration testing and red team operations.

Red TeamAutomationTools

Security Research

Ongoing security research in web application vulnerabilities, mobile security, and network penetration testing.

ResearchVulnerabilitiesAnalysis

$ls achievements/

🥇 1st

Cybercom CTF 2025

2025

🥈 2nd

Safaricom CTF 2025

2025

🥇 1st

QnQSec CTF 2025

2025

🥇 1st

TCT CTF

January 2025

🥈 2nd

Hackhunbctf

February 2025

🥈 2nd

FooBar CTF 2025

March 22, 2025

🥇 1st

Pwn The City

April 19, 2025

🥈 2nd

Incognito 6.0

April 28, 2025

🥇 1st

BitSiegeCTF 2025

May 4, 2025

🥇 1st

CTI CTF

June 24, 2025

🥇 1st

mmuctf2025

2025

🥈 2nd

ChasingFlags 2025

2025

🥉 3rd

ChasingFlags 2025 Round 2

2025

🥉 3rd

ChasingFlags 2025 Round 3

2025

🥉 3rd

Flag Hunter 1.0 2025

2025

🥇 1st

NBCTF 2025

2025

🥇 1st

N N3XT_L3V3L 2025

2025

🥈 2nd

No Hack No CTF 2025

10,862 points

🥇 1st

Versos CTF

December 2024

🥈 2nd

Worldwide CTF

November 30, 2024

🥈 2nd

Bugcrowd Black Hat USA CTF

August 2024

🥈 2nd

n00bz CTF

August 3, 2024

🥉 3rd

DeadSecurity CTF

July 26, 2024

🥈 2nd

CatTheFlag CTF

July 15, 2024

🥇 1st

BISITE Research Group CTF

July 2024

🏆 #33

CTFtime Global Ranking

2025

🏆 #1

CTFtime Country Ranking

2025

🚩 Top 1

Flagyard Platform

2025

$cat writeups.txt

QnQSec CTF 2025 - OSINT

1d ago

POC CTF 2025 - Forensics

6d ago

Cybercom CTF 2025 - OSINT

Sep 28

No Hack No CTF 2025 - Reverse

Jul 8

BitSiege CTF - Android API PT

May 6

Incognito CTF 6.0

Apr 29

$cat team.txt

0xfun CTF Team

👑 Team Captain

Leading a passionate cybersecurity CTF team dedicated to exploring the depths of digital security. Our team combines expertise in reverse engineering, cryptography, web exploitation, and forensics to tackle the most challenging capture-the-flag competitions worldwide.

319K+
Rating Points
#33
Global Ranking
#1
Country Ranking
drkasbr@0xfun:~$
07:20:28Tue, Oct 21, 2025