Abdulla Abdullazade — Junior Cybersecurity Engineer. Notes and posts on application security, backend development, CTF write-ups and offensive security research.https://abdullaxows.blog/https://abdullaxows.blog/posts/3am-server-setup-novruzctf/https://abdullaxows.blog/posts/3am-server-setup-novruzctf/It's 3 AM. I've finally finished all the infrastructure updates for CanYouHack.org.Mon, 20 Apr 2026 00:00:00 GMThttps://abdullaxows.blog/posts/abdullaxowsai-discord-bot/https://abdullaxows.blog/posts/abdullaxowsai-discord-bot/After a long time working on it, I'm finally sharing AbdullaxowsAI — my Discord bot. Originally built for a competition.Tue, 10 Jun 2025 00:00:00 GMThttps://abdullaxows.blog/posts/azerbaijans-first-mobile-ctf/https://abdullaxows.blog/posts/azerbaijans-first-mobile-ctf/Big news for anyone following cybersecurity and interested in testing their skills on mobile platforms.Mon, 16 Feb 2026 00:00:00 GMThttps://abdullaxows.blog/posts/azsaver-telegram-bot/https://abdullaxows.blog/posts/azsaver-telegram-bot/Sharing a bot I wrote. A bunch of YouTube and Instagram downloader bots stopped working, so I just made my own.Sat, 12 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/birlikteam-university-major-platform/https://abdullaxows.blog/posts/birlikteam-university-major-platform/The platform we built as BirlikTeam is live.Tue, 26 Aug 2025 00:00:00 GMThttps://abdullaxows.blog/posts/canyouhack-700-users-distributed-architecture/https://abdullaxows.blog/posts/canyouhack-700-users-distributed-architecture/Hey everyone. CanYouHack.org just crossed 700+ active users.Fri, 17 Apr 2026 00:00:00 GMThttps://abdullaxows.blog/posts/canyouhack-academy-plans/https://abdullaxows.blog/posts/canyouhack-academy-plans/Hey everyone. I've been thinking about taking the CanYouHack project further by building a CanYouHack Academy — completely free and in Azerbaijani only.Tue, 12 May 2026 00:00:00 GMThttps://abdullaxows.blog/posts/canyouhack-blog-section/https://abdullaxows.blog/posts/canyouhack-blog-section/Work on CanYouHack continues. 💫Sun, 18 Jan 2026 00:00:00 GMThttps://abdullaxows.blog/posts/canyouhack-cli-terminal/https://abdullaxows.blog/posts/canyouhack-cli-terminal/CanYouHack just got a CLI. 🤠Wed, 29 Apr 2026 00:00:00 GMThttps://abdullaxows.blog/posts/canyouhack-terminal-browser-linux/https://abdullaxows.blog/posts/canyouhack-terminal-browser-linux/CanYouHack Terminal is here. 👾Sun, 08 Feb 2026 00:00:00 GMThttps://abdullaxows.blog/posts/ctf-competition-writeup-medium/https://abdullaxows.blog/posts/ctf-competition-writeup-medium/Hey everyone. Last night we competed as a team in a CTF.Mon, 05 May 2025 00:00:00 GMThttps://abdullaxows.blog/posts/ctf-grinding-42-challenges/https://abdullaxows.blog/posts/ctf-grinding-42-challenges/Hey! I've been seriously working through CTF challenges since 6 AM yesterday. I think it'll pay off.Fri, 25 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/cursor-community-hackathon-accelode/https://abdullaxows.blog/posts/cursor-community-hackathon-accelode/This past weekend me and Vusal Huseynov joined a hackathon run by Cursor Community. After my previous hackathon experience I wasn't really planning to do anotheSun, 15 Mar 2026 00:00:00 GMThttps://abdullaxows.blog/posts/cyh-obfuscator-tool/https://abdullaxows.blog/posts/cyh-obfuscator-tool/More coming from the CanYouHack project. ✨Fri, 20 Feb 2026 00:00:00 GMThttps://abdullaxows.blog/posts/cyh-steg-cli-steganography-tool/https://abdullaxows.blog/posts/cyh-steg-cli-steganography-tool/Presenting the 3rd open-source tool from the CanYouHack project. 💫Wed, 18 Mar 2026 00:00:00 GMThttps://abdullaxows.blog/posts/flag-finder-react-native-app/https://abdullaxows.blog/posts/flag-finder-react-native-app/Hey, I'm Abdulla!Tue, 25 Mar 2025 00:00:00 GMThttps://abdullaxows.blog/posts/hi-im-abdulla-first-post/https://abdullaxows.blog/posts/hi-im-abdulla-first-post/Hi. I'm Abdulla Abdullazade. I just turned 16.Tue, 18 Mar 2025 00:00:00 GMThttps://abdullaxows.blog/posts/ico2025-singapore-silver-medal/https://abdullaxows.blog/posts/ico2025-singapore-silver-medal/✨🇦🇿 WE RETURNED HOME WITH MEDALS! 🇦🇿✨Sun, 20 Jul 2025 00:00:00 GMThttps://abdullaxows.blog/posts/ico2025-team-selection/https://abdullaxows.blog/posts/ico2025-team-selection/We — the RFO finalists — participated in the international selection exam for Cyber Security ICO2025.Mon, 28 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/kiber-yay-mektebi-2025/https://abdullaxows.blog/posts/kiber-yay-mektebi-2025/The closing ceremony of Kiber Yay Məktəbi (Cyber Summer School) 2025 was held at Baku Higher Oil School on July 26, 2025.Sun, 10 Aug 2025 00:00:00 GMThttps://abdullaxows.blog/posts/millionaraz-mobile-app-open-source/https://abdullaxows.blog/posts/millionaraz-mobile-app-open-source/Hey everyone. Today I'm sharing MillionerAZ, a mobile app I wrote 6 months ago.Tue, 08 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/mt7902-linux-driver-fix/https://abdullaxows.blog/posts/mt7902-linux-driver-fix/If you're running an Asus Vivobook with a MediaTek MT7902 chip, you know the struggle. MediaTek hasn't released a proper driver for it, which leaves Linux usersWed, 25 Feb 2026 00:00:00 GMThttps://abdullaxows.blog/posts/n3xt-l3v3l-ctf-august-2025/https://abdullaxows.blog/posts/n3xt-l3v3l-ctf-august-2025/We invite you to the N3XTL3V3L CTF competition! 🔥Wed, 20 Aug 2025 00:00:00 GMThttps://abdullaxows.blog/posts/n3xt-l3v3l-ctf-challenge-invite/https://abdullaxows.blog/posts/n3xt-l3v3l-ctf-challenge-invite/🎯 Join the Ultimate CTF Challenge! 🕵️💻Sat, 20 Sep 2025 00:00:00 GMThttps://abdullaxows.blog/posts/n3xt-l3v3l-ctf-still-live/https://abdullaxows.blog/posts/n3xt-l3v3l-ctf-still-live/🚨 N3XT L3V3L is still live — you can join now! ⏳Fri, 26 Sep 2025 00:00:00 GMThttps://abdullaxows.blog/posts/novruzctf-2026-recap/https://abdullaxows.blog/posts/novruzctf-2026-recap/Novruz is over, and so is NovruzCTF. 😃Wed, 22 Apr 2026 00:00:00 GMThttps://abdullaxows.blog/posts/novruzctf-registration-open/https://abdullaxows.blog/posts/novruzctf-registration-open/CanYouHack keeps growing — thank you all for the support. ☺️Sat, 25 Apr 2026 00:00:00 GMThttps://abdullaxows.blog/posts/novruzctf-announcement/https://abdullaxows.blog/posts/novruzctf-announcement/Work on CanYouHack keeps moving forward.Mon, 23 Mar 2026 00:00:00 GMThttps://abdullaxows.blog/posts/open-webui-ollama-local-llm/https://abdullaxows.blog/posts/open-webui-ollama-local-llm/Hey everyone. Hope this is useful to someone.Sat, 03 May 2025 00:00:00 GMThttps://abdullaxows.blog/posts/personal-website-launch/https://abdullaxows.blog/posts/personal-website-launch/On a tight budget, so I went with a .site domain — www.abdulladev.siteSun, 20 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/power-outage-internet-fix/https://abdullaxows.blog/posts/power-outage-internet-fix/One of the most frustrating things — and it happened again today — is when the power cuts out while you're in the middle of something and your internet dies witTue, 10 Mar 2026 00:00:00 GMThttps://abdullaxows.blog/posts/private-chat-app-firebase-react-native/https://abdullaxows.blog/posts/private-chat-app-firebase-react-native/Hey everyone. Sharing an app I built 7-8 months ago — a private personal chat application.Thu, 01 May 2025 00:00:00 GMThttps://abdullaxows.blog/posts/python-course-youtube-azerbaijani/https://abdullaxows.blog/posts/python-course-youtube-azerbaijani/'Sıfırdan Zirvəyə: Python Programming Course' is now live on YouTube. 🎉Thu, 03 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/qr-code-scanner-react-native/https://abdullaxows.blog/posts/qr-code-scanner-react-native/Hey everyone. Sharing a QR Code Scanner mobile app I built and finished in just 2 days.Fri, 20 Jun 2025 00:00:00 GMThttps://abdullaxows.blog/posts/rasadkhana-free-azerbaijani-learning-platform/https://abdullaxows.blog/posts/rasadkhana-free-azerbaijani-learning-platform/January, second project of the month. 😍Thu, 12 Feb 2026 00:00:00 GMThttps://abdullaxows.blog/posts/react-native-app-one-week/https://abdullaxows.blog/posts/react-native-app-one-week/Hey everyone! Sharing a React Native app I spent a week building.Sat, 05 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/react-native-drawing-app/https://abdullaxows.blog/posts/react-native-drawing-app/Hey everyone. This is a simple mobile drawing app I built in React Native.Tue, 01 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/rfo-informatics-final-open-source/https://abdullaxows.blog/posts/rfo-informatics-final-open-source/I told myself if I made it to the RFO Informatics final, I'd open-source this app. Here we are.Thu, 17 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/social-media-video-downloader-app/https://abdullaxows.blog/posts/social-media-video-downloader-app/The reason I built this: someone from India requested it, I said I'd do it, and then overestimated the timeline — told them 1 month. BRUH. Finished it in 2 daysTue, 15 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/stability-ai-api-key-automation/https://abdullaxows.blog/posts/stability-ai-api-key-automation/I used to use Stability AI for image generation. Each API key gave 25 credits — enough for at least 10 images. That wasn't enough for me, so I wrote a Python SeTue, 22 Apr 2025 00:00:00 GMThttps://abdullaxows.blog/posts/tryhackme-cryptography-writeup/https://abdullaxows.blog/posts/tryhackme-cryptography-writeup/I wrote an Azerbaijani-language writeup for the Introduction to Cryptography room on TryHackMe. Hope it helps someone.Sat, 10 May 2025 00:00:00 GMThttps://abdullaxows.blog/posts/url-shortener-react-express/https://abdullaxows.blog/posts/url-shortener-react-express/URL Shortener — ReactJS + ExpressJSFri, 28 Mar 2025 00:00:00 GMThttps://abdullaxows.blog/posts/wiktionary-language-analysis/https://abdullaxows.blog/posts/wiktionary-language-analysis/Language is complex. Different languages, dialects, and constant external influences mean it never stays static — and that creates real measurement challenges fSat, 22 Mar 2025 00:00:00 GMThttps://abdullaxows.blog/posts/windows-defender-bypass-malware-open-source/https://abdullaxows.blog/posts/windows-defender-bypass-malware-open-source/I finally open-sourced a project that's been sitting in my archive for a while. 😊 ⭐Mon, 27 Apr 2026 00:00:00 GMThttps://abdullaxows.blog/posts/xaker-az-canyouhack-partnership/https://abdullaxows.blog/posts/xaker-az-canyouhack-partnership/Excited to announce that XAKER.AZ has officially partnered with Abdulla Abdullazade's CTF platform CanYouHack.org! 🚀Sat, 10 Jan 2026 00:00:00 GMThttps://abdullaxows.blog/posts/zekalab-3rd-place/https://abdullaxows.blog/posts/zekalab-3rd-place/We took 3rd place at the Zəkalar intellectual competition today. 🤓Thu, 08 May 2025 00:00:00 GMThttps://abdullaxows.blog/posts/freedrive-google-drive-alternative/https://abdullaxows.blog/posts/freedrive-google-drive-alternative/I ran out of storage on Google Drive and started searching for self-hosted open-source alternatives.Sun, 03 May 2026 00:00:00 GMT